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CHANGES.txt
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5.1
* Improve performance when getting writePlacementsAllSettled from ClusterMetadata (CASSANDRA-20526)
* Add nodetool command to dump the contents of the system_views.{cluster_metadata_log, cluster_metadata_directory} tables (CASSANDRA-20525)
* Fix TreeMap race in CollectionVirtualTableAdapter causing us to lose rows in the virtual table (CASSANDRA-20524)
* Improve metadata log catch up with inter-DC mutation forwarding (CASSANDRA-20523)
* Support topology-safe changes to Datacenter & Rack for live nodes (CASSANDRA-20528)
* Add SSTableIntervalTree latency metric (CASSANDRA-20502)
* Ignore repetitions of semicolon in CQLSH (CASSANDRA-19956)
* Avoid NPE during cms initialization abort (CASSANDRA-20527)
* Avoid failing queries when epoch changes and replica goes up/down (CASSANDRA-20489)
* Split out truncation record lock (CASSANDRA-20480)
* Throw new IndexBuildInProgressException when queries fail during index build, instead of IndexNotAvailableException (CASSANDRA-20402)
* Fix Paxos repair interrupts running transactions (CASSANDRA-20469)
* Various fixes in constraint framework (CASSANDRA-20481)
* Add support in CAS for -= on numeric types, and fixed improper handling of empty bytes which lead to NPE (CASSANDRA-20477)
* Do not fail to start a node with materialized views after they are turned off in config (CASSANDRA-20452)
* Fix nodetool gcstats output, support human-readable units and more output formats (CASSANDRA-19022)
* Various gossip to TCM upgrade fixes (CASSANDRA-20483)
* Add nodetool command to abort failed nodetool cms initialize (CASSANDRA-20482)
* Repair Paxos for the distributed metadata log when CMS membership changes (CASSANDRA-20467)
* Reintroduce CASSANDRA-17411 in trunk (CASSANDRA-19346)
* Add min/max/mean/percentiles to timer metrics vtable (CASSANDRA-20466)
* Add support for time, date, timestamp types in scalar constraint (CASSANDRA-20274)
* Add regular expression constraint (CASSANDRA-20275)
* Improve constraints autocompletion (CASSANDRA-20341)
* Add JVM version and Cassandra build date to nodetool version -v (CASSANDRA-19721)
* Move all disk error logic to DiskErrorsHandler to enable pluggability (CASSANDRA-20363)
* Fix marking an SSTable as suspected and BufferPool leakage in case of a corrupted SSTable read during a compaction (CASSANDRA-20396)
* Add missed documentation for CREATE TABLE LIKE (CASSANDRA-20401)
* Add OCTET_LENGTH constraint (CASSANDRA-20340)
* Reduce memory allocations in miscellaneous places along the hot write path (CASSANDRA-20167)
* Provide keystore_password_file and truststore_password_file options to read credentials from a file (CASSANDRA-13428)
* Unregistering a node should also remove it from tokenMap if it is there and recalculate the placements (CASSANDRA-20346)
* Fix PartitionUpdate.isEmpty deserialization issue to avoid potential EOFException (CASSANDRA-20345)
* Avoid adding LEFT nodes to tokenMap on upgrade from gossip (CASSANDRA-20344)
* Allow empty placements when deserializing cluster metadata (CASSANDRA-20343)
* Reduce heap pressure when initializing CMS (CASSANDRA-20267)
* Paxos Repair: NoSuchElementException on DistributedSchema.getKeyspaceMetadata (CASSANDRA-20320)
* Improve performance of DistributedSchema.validate for large schemas (CASSANDRA-20360)
* Add JSON constraint (CASSANDRA-20273)
* Prevent invalid constraint combinations (CASSANDRA-20330)
* Support CREATE TABLE LIKE WITH INDEXES (CASSANDRA-19965)
* Invalidate relevant prepared statements on every change to TableMetadata (CASSANDRA-20318)
* Add per type max size guardrails (CASSANDRA-19677)
* Make it possible to abort all kinds of multi step operations (CASSANDRA-20217)
* Do not leak non-Java exceptions when calling snapshot operations via JMX (CASSANDRA-20335)
* Implement NOT_NULL constraint (CASSANDRA-20276)
* Improve error messages for constraints (CASSANDRA-20266)
* Add system_views.partition_key_statistics for querying SSTable metadata (CASSANDRA-20161)
* CEP-42 - Add Constraints Framework (CASSANDRA-19947)
* Add table metric PurgeableTombstoneScannedHistogram and a tracing event for scanned purgeable tombstones (CASSANDRA-20132)
* Make sure we can parse the expanded CQL before writing it to the log or sending it to replicas (CASSANDRA-20218)
* Add format_bytes and format_time functions (CASSANDRA-19546)
* Fix error when trying to assign a tuple to target type not being a tuple (CASSANDRA-20237)
* Fail CREATE TABLE LIKE statement if UDTs in target keyspace do not exist or they have different structure from ones in source keyspace (CASSANDRA-19966)
* Support octet_length and length functions (CASSANDRA-20102)
* Make JsonUtils serialize Instant always with the same format (CASSANDRA-20209)
* Port Harry v2 to trunk (CASSANDRA-20200)
* Enable filtering of snapshots on keyspace, table and snapshot name in nodetool listsnapshots (CASSANDRA-20151)
* Create manifest upon loading where it does not exist or enrich it (CASSANDRA-20150)
* Propagate true size of snapshot in SnapshotDetailsTabularData to not call JMX twice in nodetool listsnapshots (CASSANDRA-20149)
* Implementation of CEP-43 - copying a table via CQL by CREATE TABLE LIKE (CASSANDRA-19964)
* Periodically disconnect roles that are revoked or have LOGIN=FALSE set (CASSANDRA-19385)
* AST library for CQL-based fuzz tests (CASSANDRA-20198)
* Support audit logging for JMX operations (CASSANDRA-20128)
* Enable sorting of nodetool status output (CASSANDRA-20104)
* Support downgrading after CMS is initialized (CASSANDRA-20145)
* Deprecate IEndpointSnitch (CASSANDRA-19488)
* Check presence of a snapshot in a case-insensitive manner on macOS platform to prevent hardlinking failures (CASSANDRA-20146)
* Enable JMX server configuration to be in cassandra.yaml (CASSANDRA-11695)
* Parallelized UCS compactions (CASSANDRA-18802)
* Avoid prepared statement invalidation race when committing schema changes (CASSANDRA-20116)
* Restore optimization in MultiCBuilder around building one clustering (CASSANDRA-20129)
* Consolidate all snapshot management to SnapshotManager and introduce SnapshotManagerMBean (CASSANDRA-18111)
* Fix RequestFailureReason constants codes (CASSANDRA-20126)
* Introduce SSTableSimpleScanner for compaction (CASSANDRA-20092)
* Include column drop timestamp in alter table transformation (CASSANDRA-18961)
* Make JMX SSL configurable in cassandra.yaml (CASSANDRA-18508)
* Fix cqlsh CAPTURE command to save query results without trace details when TRACING is ON (CASSANDRA-19105)
* Optionally prevent tombstone purging during repair (CASSANDRA-20071)
* Add post-filtering support for the IN operator in SAI queries (CASSANDRA-20025)
* Don’t finish ongoing decommission and move operations during startup (CASSANDRA-20040)
* Nodetool reconfigure cms has correct return code when streaming fails (CASSANDRA-19972)
* Reintroduce RestrictionSet#iterator() optimization around multi-column restrictions (CASSANDRA-20034)
* Explicitly localize strings to Locale.US for internal implementation (CASSANDRA-19953)
* Add -H option for human-friendly output in nodetool compactionhistory (CASSANDRA-20015)
* Fix type check for referenced duration type for nested types (CASSANDRA-19890)
* In simulation tests, correctly set the tokens of replacement nodes (CASSANDRA-19997)
* During TCM upgrade, retain all properties of existing system tables (CASSANDRA-19992)
* Properly cancel in-flight futures and reject requests in EpochAwareDebounce during shutdown (CASSANDRA-19848)
* Provide clearer exception message on failing commitlog_disk_access_mode combinations (CASSANDRA-19812)
* Add total space used for a keyspace to nodetool tablestats (CASSANDRA-19671)
* Ensure Relation#toRestriction() handles ReversedType properly (CASSANDRA-19950)
* Add JSON and YAML output option to nodetool gcstats (CASSANDRA-19771)
* Introduce metadata serialization version V4 (CASSANDRA-19970)
* Allow CMS reconfiguration to work around DOWN nodes (CASSANDRA-19943)
* Make TableParams.Serializer set allowAutoSnapshots and incrementalBackups (CASSANDRA-19954)
* Make sstabledump possible to show tombstones only (CASSANDRA-19939)
* Ensure that RFP queries potentially stale replicas even with only key columns in the row filter (CASSANDRA-19938)
* Allow nodes to change IP address while upgrading to TCM (CASSANDRA-19921)
* Retain existing keyspace params on system tables after upgrade (CASSANDRA-19916)
* Deprecate use of gossip state for paxos electorate verification (CASSANDRA-19904)
* Update dtest-api to 0.0.17 to fix jvm17 crash in jvm-dtests (CASSANDRA-19239)
* Add resource leak test and Update Netty to 4.1.113.Final to fix leak (CASSANDRA-19783)
* Fix incorrect nodetool suggestion when gossip mode is running (CASSANDRA-19905)
* SAI support for BETWEEN operator (CASSANDRA-19688)
* Fix BETWEEN filtering for reversed clustering columns (CASSANDRA-19878)
* Retry if node leaves CMS while committing a transformation (CASSANDRA-19872)
* Add support for NOT operators in WHERE clauses. Fixed Three Valued Logic (CASSANDRA-18584)
* Allow getendpoints for system tables and make sure getNaturalReplicas work for MetaStrategy (CASSANDRA-19846)
* On upgrade, handle pre-existing tables with unexpected table ids (CASSANDRA-19845)
* Reconfigure CMS before assassinate (CASSANDRA-19768)
* Warn about unqualified prepared statement only if it is select or modification statement (CASSANDRA-18322)
* Update legacy peers tables during node replacement (CASSANDRA-19782)
* Refactor ColumnCondition (CASSANDRA-19620)
* Allow configuring log format for Audit Logs (CASSANDRA-19792)
* Support for noboolean rpm (centos7 compatible) packages removed (CASSANDRA-19787)
* Allow threads waiting for the metadata log follower to be interrupted (CASSANDRA-19761)
* Support dictionary lookup for CassandraPasswordValidator (CASSANDRA-19762)
* Disallow denylisting keys in system_cluster_metadata (CASSANDRA-19713)
* Fix gossip status after replacement (CASSANDRA-19712)
* Ignore repair requests for system_cluster_metadata (CASSANDRA-19711)
* Avoid ClassCastException when verifying tables with reversed partitioner (CASSANDRA-19710)
* Always repair the full range when repairing system_cluster_metadata (CASSANDRA-19709)
* Use table-specific partitioners during Paxos repair (CASSANDRA-19714)
* Expose current compaction throughput in nodetool (CASSANDRA-13890)
* CEP-24 Password validation / generation (CASSANDRA-17457)
* Reconfigure CMS after replacement, bootstrap and move operations (CASSANDRA-19705)
* Support querying LocalStrategy tables with any partitioner (CASSANDRA-19692)
* Relax slow_query_log_timeout for MultiNodeSAITest (CASSANDRA-19693)
* Audit Log entries are missing identity for mTLS connections (CASSANDRA-19669)
* Add support for the BETWEEN operator in WHERE clauses (CASSANDRA-19604)
* Replace Stream iteration with for-loop for SimpleRestriction::bindAndGetClusteringElements (CASSANDRA-19679)
* Consolidate logging on trace level (CASSANDRA-19632)
* Expand DDL statements on coordinator before submission to the CMS (CASSANDRA-19592)
* Fix number of arguments of String.format() in various classes (CASSANDRA-19645)
* Remove unused fields from config (CASSANDRA-19599)
* Refactor Relation and Restriction hierarchies (CASSANDRA-19341)
* Raise priority of TCM internode messages during critical operations (CASSANDRA-19517)
* Add nodetool command to unregister LEFT nodes (CASSANDRA-19581)
* Add cluster metadata id to gossip syn messages (CASSANDRA-19613)
* Reduce heap usage occupied by the metrics (CASSANDRA-19567)
* Improve handling of transient replicas during range movements (CASSANDRA-19344)
* Enable debounced internode log requests to be cancelled at shutdown (CASSANDRA-19514)
* Correctly set last modified epoch when combining multistep operations into a single step (CASSANDRA-19538)
* Add new TriggersPolicy configuration to allow operators to disable triggers (CASSANDRA-19532)
* Use Transformation.Kind.id in local and distributed log tables (CASSANDRA-19516)
* Remove period field from ClusterMetadata and metadata log tables (CASSANDRA-19482)
* Enrich system_views.pending_hints vtable with hints sizes (CASSANDRA-19486)
* Expose all dropwizard metrics in virtual tables (CASSANDRA-14572)
* Ensured that PropertyFileSnitchTest do not overwrite cassandra-toploogy.properties (CASSANDRA-19502)
* Add option for MutualTlsAuthenticator to restrict the certificate validity period (CASSANDRA-18951)
* Fix StorageService::constructRangeToEndpointMap for non-distributed keyspaces (CASSANDRA-19255)
* Group nodetool cms commands into single command group (CASSANDRA-19393)
* Register the measurements of the bootstrap process as Dropwizard metrics (CASSANDRA-19447)
* Add LIST SUPERUSERS CQL statement (CASSANDRA-19417)
* Modernize CQLSH datetime conversions (CASSANDRA-18879)
* Harry model and in-JVM tests for partition-restricted 2i queries (CASSANDRA-18275)
* Refactor cqlshmain global constants (CASSANDRA-19201)
* Remove native_transport_port_ssl (CASSANDRA-19397)
* Make nodetool reconfigurecms sync by default and add --cancel to be able to cancel ongoing reconfigurations (CASSANDRA-19216)
* Expose auth mode in system_views.clients, nodetool clientstats, metrics (CASSANDRA-19366)
* Remove sealed_periods and last_sealed_period tables (CASSANDRA-19189)
* Improve setup and initialisation of LocalLog/LogSpec (CASSANDRA-19271)
* Refactor structure of caching metrics and expose auth cache metrics via JMX (CASSANDRA-17062)
* Allow CQL client certificate authentication to work without sending an AUTHENTICATE request (CASSANDRA-18857)
* Extend nodetool tpstats and system_views.thread_pools with detailed pool parameters (CASSANDRA-19289)
* Remove dependency on Sigar in favor of OSHI (CASSANDRA-16565)
* Simplify the bind marker and Term logic (CASSANDRA-18813)
* Limit cassandra startup to supported JDKs, allow higher JDKs by setting CASSANDRA_JDK_UNSUPPORTED (CASSANDRA-18688)
* Standardize nodetool tablestats formatting of data units (CASSANDRA-19104)
* Make nodetool tablestats use number of significant digits for time and average values consistently (CASSANDRA-19015)
* Upgrade jackson to 2.15.3 and snakeyaml to 2.1 (CASSANDRA-18875)
* Transactional Cluster Metadata [CEP-21] (CASSANDRA-18330)
* Add ELAPSED command to cqlsh (CASSANDRA-18861)
* Add the ability to disable bulk loading of SSTables (CASSANDRA-18781)
* Clean up obsolete functions and simplify cql_version handling in cqlsh (CASSANDRA-18787)
Merged from 5.0:
* Avoid purging deletions in RowFilter when reconciliation is required (CASSANDRA-20541)
* Fixed multiple single-node SAI query bugs relating to static columns (CASSANDRA-20338)
* Upgrade com.datastax.cassandra:cassandra-driver-core:3.11.5 to org.apache.cassandra:cassandra-driver-core:3.12.1 (CASSANDRA-17231)
* Update netty to 4.1.119.Final and netty-tcnative to 2.0.70.Final (CASSANDRA-20314)
* Serialization can lose complex deletions in a mutation with multiple collections in a row (CASSANDRA-20449)
* Improve error messages when initializing auth classes (CASSANDRA-20368)
* Prioritize legacy 2i over SAI for columns with multiple indexes (CASSANDRA-20334)
* Ensure only offline tools can build IntervalTrees without first/last key fields (CASSANDRA-20407)
* Improve disk access patterns during compaction and range reads (CASSANDRA-15452)
* Improve IntervalTree build throughput (CASSANDRA-19596)
* Avoid limit on RFP fetch in the case of an unresolved static row (CASSANDRA-20323)
* Include materialized views to the output of DESCRIBE TABLE statements (CASSANDRA-20365)
* Heap and GC jvm flags improvements (CASSANDRA-20296)
* Fix unparseable YAML in default cassandra.yaml when uncommented for downstream tooling (CASSANDRA-20359)
* Avoid fetching entire partitions on unresolved static rows in RFP when no static column predicates exist (CASSANDRA-20243)
* Avoid indexing empty values for non-literals and types that do not allow them (CASSANDRA-20313)
* Fix incorrect results of min / max in-built functions on clustering columns in descending order (CASSANDRA-20295)
* Avoid possible consistency violations for SAI intersection queries over repaired index matches and multiple non-indexed column matches (CASSANDRA-20189)
* Skip check for DirectIO when initializing tools (CASSANDRA-20289)
* Avoid under-skipping during intersections when an iterator has mixed STATIC and WIDE keys (CASSANDRA-20258)
* Correct the default behavior of compareTo() when comparing WIDE and STATIC PrimaryKeys (CASSANDRA-20238)
* Make sure we can set parameters when configuring CassandraCIDRAuthorizer (CASSANDRA-20220)
* Add selected SAI index state and query performance metrics to nodetool tablestats (CASSANDRA-20026)
* Remove v30 and v3X from 5.x in-JVM upgrade tests (CASSANDRA-20103)
* Avoid memory allocation in offheap_object's NativeCell.valueSize() and NativeClustering.dataSize() (CASSANDRA-20162)
* Add flag to avoid invalidating key cache on sstable deletions (CASSANDRA-20068)
* Interpret inet, bigint, varint, and decimal as non-reversed types for query construction and post-filtering (CASSANDRA-20100)
* Streamline the serialized format for index status gossip messages (CASSANDRA-20058)
* Batch clusterings into single SAI partition post-filtering reads (CASSANDRA-19497)
* Ban the usage of "var" instead of full types in the production code (CASSANDRA-20038)
* Suppress CVE-2024-45772, upgrade to lucene-core-9.12.0.jar (CASSANDRA-20024)
* Use SinglePartitionReadCommand for index queries that use strict filtering (CASSANDRA-19968)
* Always write local expiration time as an int to LivenessInfo digest (CASSANDRA-19989)
* Enables IAuthenticator's to return own AuthenticateMessage (CASSANDRA-19984)
* Use ParameterizedClass for all auth-related implementations (CASSANDRA-19946)
* Correct out-of-date metrics and configuration documentation for SAI (CASSANDRA-19898)
* Make configuration entries in memtable section order-independent (CASSANDRA-19906)
* Add guardrail for enabling usage of VectorType (CASSANDRA-19903)
* Set executable flag for shell scripts in .build directory for source artifact (CASSANDRA-19896)
* Throw ConfigurationException when commitlog_disk_access_mode is direct but direct IO is not supported by filesystem (CASSANDRA-19812)
* Memtable allocation type unslabbed_heap_buffers_logged will cause an assertion error for TrieMemtables and SegmentedTrieMemtables (CASSANDRA-19835)
* Minor improvements in Cassandra shutdown and startup logs (CASSANDRA-19818)
* Fix direct IO support always being evaluated to false upon the first start of a node (CASSANDRA-19779)
* Deprecate and ignore use_deterministic_table_id (CASSANDRA-19809)
* Prioritize built indexes in IndexStatusManager (CASSANDRA-19400)
* Add java.base/java.lang.reflect among opens for jvm11-client.options (CASSANDRA-19780)
Merged from 4.1:
* Fix mixed mode paxos ttl commit hang (CASSANDRA-20514)
* Fix paxos mixed mode infinite loop (CASSANDRA-20493)
* Optionally skip exception logging on invalid legacy protocol magic exception (CASSANDRA-19483)
* Fix SimpleClient ability to release acquired capacity (CASSANDRA-20202)
* Fix WaitQueue.Signal.awaitUninterruptibly may block forever if invoking thread is interrupted (CASSANDRA-20084)
* Run audit_logging_options through santiation and validation on startup (CASSANDRA-20208)
* Enforce CQL message size limit on multiframe messages (CASSANDRA-20052)
* Fix race condition in DecayingEstimatedHistogramReservoir during rescale (CASSANDRA-19365)
Merged from 4.0:
* Fix Dropwizard Meter causes timeouts when infrequently used (CASSANDRA-19332)
* Update OWASP dependency checker to version 12.1.0 (CASSANDRA-20501)
* Suppress CVE-2025-25193 (CASSANDRA-20504)
* Include in source tree and build packages a Snyk policy file that lists known false positives (CASSANDRA-20319)
* Update zstd-jni to 1.5.7-2 (CASSANDRA-20453)
* Suppress CVE-2024-12801 (CASSANDRA-20412)
* Suppress CVE-2024-12798 (CASSANDRA-20408)
* Support null column value tombstones in FQL batch statements (CASSANDRA-20397)
* Update Zstd library to 1.5.7-1 (CASSANDRA-20367)
* Fix premature auto-failing of long-running repairs (CASSANDRA-20312)
* Fix autocompletion for role names/user names (CASSANDRA-20175)
* Tighten up permissions in dc and cidr authorizers (CASSANDRA-20225)
* CBUtil serialization of UTF8 does not handle all UTF8 properly (CASSANDRA-20234)
* Make hint expiry use request start time rather than timeout time for TTL (CASSANDRA-20014)
* Do not attach rows and partitions to QueryCancellationChecker when already attached (CASSANDRA-20135)
* Allow hint delivery during schema mismatch (CASSANDRA-20188)
* IndexOutOfBoundsException when accessing partition where the column was deleted (CASSANDRA-20108)
* Enhance CQLSSTableWriter to notify clients on sstable production (CASSANDRA-19800)
* Change the resolution of AbstractCommitLogService#lastSyncedAt to nanos to be aligned with later comparisons (CASSANDRA-20074)
* Support UDTs and vectors as clustering keys in descending order (CASSANDRA-20050)
* Fix CQL in snapshot's schema which did not contained UDTs used as reverse clustering columns (CASSANDRA-20036)
* Add configurable batchlog endpoint strategies: random_remote, prefer_local, dynamic_remote, and dynamic (CASSANDRA-18120)
* Fix bash-completion for debian distro (CASSANDRA-19999)
* Ensure thread-safety for CommitLogArchiver in CommitLog (CASSANDRA-19960)
* Fix text containing "/*" being interpreted as multiline comment in cqlsh (CASSANDRA-17667)
* Fix indexing of a frozen collection that is the clustering key and reversed (CASSANDRA-19889)
* Emit error when altering a table with non-frozen UDTs with nested non-frozen collections the same way as done upon table creation (CASSANDRA-19925)
* Safer handling of out-of-range tokens (CASSANDRA-13704)
* Fix memory leak in BTree.FastBuilder (CASSANDRA-19785)
* Fix millisecond and microsecond precision for commit log replay (CASSANDRA-19448)
* Improve accuracy of memtable heap usage tracking (CASSANDRA-17298)
* Fix rendering UNSET collection types in query tracing (CASSANDRA-19880)
* Fix latency reported by ideal consistency level monitoring (CASSANDRA-19651)
* Do not spam log with SSLExceptions (CASSANDRA-18839)
Merged from 3.0
* Tighten up permissions on system keyspaces (CASSANDRA-20090)
5.0.0
5.0-rc2
* Fix direct IO support always being evaluated to false upon the first start of a node (CASSANDRA-19779)
* Memtable allocation type unslabbed_heap_buffers_logged will cause an assertion error for TrieMemtables and SegmentedTrieMemtables (CASSANDRA-19835)
Merged from 4.0:
* Use default commitlog settings in test YAMLs (CASSANDRA-19830)
5.0-rc1
* Move bcpkix-jdk18on to build dependencies, update to 1.78 and explicitly enumerate transitive dependencies (CASSANDRA-19739)
* Avoid streams in the common case for UpdateTransaction creation (CASSANDRA-19675)
* Only wait until native_transport_timeout for dispatcher to finish (CASSANDRA-19697)
* Disable chronicle analytics (CASSANDRA-19656)
* Replace Stream iteration with for-loop for StorageProxy::updateCoordinatorWriteLatencyTableMetric (CASSANDRA-19676)
* Enforce metric naming contract if scope is used in a metric name (CASSANDRA-19619)
* Avoid reading of the same IndexInfo from disk many times for a large partition (CASSANDRA-19557)
* Resolve the oldest hints just from descriptors and current writer if available (CASSANDRA-19600)
* Optionally fail writes when SAI refuses to index a term value exceeding configured term max size (CASSANDRA-19493)
* Vector search can restrict on clustering keys when filtering isn't required (CASSANDRA-19544)
* Fix FBUtilities' parsing of gcp cos_containerd kernel versions (CASSANDRA-18594)
* Clean up KeyRangeIterator classes (CASSANDRA-19428)
* Warn clients about possible consistency violations for filtering queries against multiple mutable columns (CASSANDRA-19489)
* Align buffer with commitlog segment size (CASSANDRA-19471)
* Ensure SAI indexes empty byte buffers for types that allow them as a valid input (CASSANDRA-19461)
* Deprecate Python 3.7 and earlier, but allow cqlsh to run with Python 3.6-3.11 (CASSANDRA-19467)
* Set uuid_sstable_identifiers_enabled to true in cassandra-latest.yaml (CASSANDRA-19460)
* Revert switching to approxTime in Dispatcher (CASSANDRA-19454)
* Add an optimized default configuration to tests and make it available for new users (CASSANDRA-18753)
* Fix remote JMX under Java17 (CASSANDRA-19453)
* Avoid consistency violations for SAI intersections over unrepaired data at consistency levels requiring reconciliation (CASSANDRA-19018)
* Fix NullPointerException in ANN+WHERE when adding rows in another partition (CASSANDRA-19404)
* Record latencies for SAI post-filtering reads against local storage (CASSANDRA-18940)
* Fix VectorMemoryIndex#update logic to compare vectors. Fix Index view (CASSANDRA-19168)
* Deprecate native_transport_port_ssl (CASSANDRA-19392)
* Update packaging shell includes (CASSANDRA-19283)
* Fix data corruption in VectorCodec when using heap buffers (CASSANDRA-19167)
* Avoid over-skipping of key iterators from static column indexes during mixed intersections (CASSANDRA-19278)
* Make concurrent_index_builders configurable at runtime (CASSANDRA-19266)
* Fix storage_compatibility_mode for streaming (CASSANDRA-19126)
* Add support of vector type to cqlsh COPY command (CASSANDRA-19118)
* Make CQLSSTableWriter to support building of SAI indexes (CASSANDRA-18714)
* Append additional JVM options when using JDK17+ (CASSANDRA-19001)
* Upgrade Python driver to 3.29.0 (CASSANDRA-19245)
* Creating a SASI index after creating an SAI index does not break secondary index queries (CASSANDRA-18939)
* Optionally fail when a non-partition-restricted query is issued against an index (CASSANDRA-18796)
* Add a startup check to fail startup when using invalid configuration with certain Kernel and FS type (CASSANDRA-19196)
* UCS min_sstable_size should not be lower than target_sstable_size lower bound (CASSANDRA-19112)
* Fix the correspondingMessagingVersion of SSTable format and improve TTL overflow tests coverage (CASSANDRA-19197)
* Fix resource cleanup after SAI query timeouts (CASSANDRA-19177)
* Suppress CVE-2023-6481 (CASSANDRA-19184)
Merged from 4.1:
* Add native transport deadline, an ultimate deadline for all tasks related to a specific request (CASSANDRA-19534)
* Do not create a role if ALTER ROLE IF EXISTS operates on non-existing role (CASSANDRA-19749)
* Use OpOrder in repairIterator to ensure we don't lose memtables mid-paxos repair (Cassandra-19668)
* Refresh stale paxos commit (CASSANDRA-19617)
* Reduce info logging from automatic paxos repair (CASSANDRA-19445)
* Support legacy plain_text_auth section in credentials file removed unintentionally (CASSANDRA-19498)
Merged from 4.0:
* Support null column value tombstones in FQL batch statements (CASSANDRA-20397)
* Fix millisecond and microsecond precision for commit log replay (CASSANDRA-19448)
* Improve accuracy of memtable heap usage tracking (CASSANDRA-17298)
* Fix rendering UNSET collection types in query tracing (CASSANDRA-19880)
* Fix latency reported by ideal consistency level monitoring (CASSANDRA-19651)
* Use default commitlog settings in test YAMLs (CASSANDRA-19830)
* Do not spam log with SSLExceptions (CASSANDRA-18839)
* Fix schema.cql created by a snapshot after dropping more than one column (CASSANDRA-19747)
* UnsupportedOperationException when reducing scope for LCS compactions (CASSANDRA-19704)
* Make LWT conditions behavior on frozen and non-frozen columns consistent for null column values (CASSANDRA-19637)
* Add timeout specifically for bootstrapping nodes (CASSANDRA-15439)
* Bring Redhat packge dirs/ownership/perms in line with Debian package (CASSANDRA-19565)
Merged from 3.0:
* Upgrade OWASP to 10.0.0 (CASSANDRA-19738)
4.1.5
* Make queries visible to the "system_views.queries" virtual table at the coordinator level (CASSANDRA-19577)
* Fix hints delivery for a node going down repeatedly (CASSANDRA-19495)
* Do not go to disk for reading hints file sizes (CASSANDRA-19477)
* Fix system_views.settings to handle array types (CASSANDRA-19475)
* Fix StackOverflowError on ALTER after many previous schema changes (CASSANDRA-19166)
* Memoize Cassandra verion (CASSANDRA-18902)
Merged from 4.0:
* Fix millisecond and microsecond precision for commit log replay (CASSANDRA-19448)
* Improve accuracy of memtable heap usage tracking (CASSANDRA-17298)
* Fix rendering UNSET collection types in query tracing (CASSANDRA-19880)
* Fix latency reported by ideal consistency level monitoring (CASSANDRA-19651)
* Use default commitlog settings in test YAMLs (CASSANDRA-19830)
* Do not spam log with SSLExceptions (CASSANDRA-18839)
* Fix schema.cql created by a snapshot after dropping more than one column (CASSANDRA-19747)
* UnsupportedOperationException when reducing scope for LCS compactions (CASSANDRA-19704)
* Make LWT conditions behavior on frozen and non-frozen columns consistent for null column values (CASSANDRA-19637)
* Bring Redhat package dirs/ownership/perms in line with Debian package (CASSANDRA-19565)
* Make nodetool import congruent with the documentation by not relying on the folder structure of the imported SSTable files (CASSANDRA-19401)
* IR may leak SSTables with pending repair when coming from streaming (CASSANDRA-19182)
* Streaming exception race creates corrupt transaction log files that prevent restart (CASSANDRA-18736)
* Fix CQL tojson timestamp output on negative timestamp values before Gregorian calendar reform in 1582 (CASSANDRA-19566)
* Fix few types issues and implement types compatibility tests (CASSANDRA-19479)
* Change logging to TRACE when failing to get peer certificate (CASSANDRA-19508)
* Push LocalSessions info logs to debug (CASSANDRA-18335)
* Filter remote DC replicas out when constructing the initial replica plan for the local read repair (CASSANDRA-19120)
* Remove redundant code in StorageProxy#sendToHintedReplicas (CASSANDRA-19412)
* Remove bashisms for mx4j tool in cassandra-env.sh (CASSANDRA-19416)
* Add new concurrent_merkle_tree_requests config property to prevent OOM during multi-range and/or multi-table repairs (CASSANDRA-19336)
Merged from 3.11:
* Move ClientWarn.State#warnings to a thread-safe list (CASSANDRA-19427)
Merged from 3.0:
* Upgrade OWASP to 10.0.0 (CASSANDRA-19738)
* Fix SCM URL link (CASSANDRA-19422)
* Backport CASSANDRA-16418 to 3.x (CASSANDRA-18824)
5.0-beta1
* Fix SAI intersection queries (CASSANDRA-19011)
* Clone EndpointState before sending GossipShutdown message (CASSANDRA-19115)
* SAI indexes are marked queryable during truncation (CASSANDRA-19032)
* Enable Direct-IO feature for CommitLog files using Java native API's. (CASSANDRA-18464)
* SAI fixes for composite partitions, and static and non-static rows intersections (CASSANDRA-19034)
* Improve SAI IndexContext handling of indexed and non-indexed columns in queries (CASSANDRA-18166)
* Fixed bug where UnifiedCompactionTask constructor was calling the wrong base constructor of CompactionTask (CASSANDRA-18757)
* Fix SAI unindexed contexts not considering CONTAINS KEY (CASSANDRA-19040)
* Ensure that empty SAI column indexes do not fail on validation after full-SSTable streaming (CASSANDRA-19017)
* SAI in-memory index should check max term size (CASSANDRA-18926)
* Set default disk_access_mode to mmap_index_only (CASSANDRA-19021)
* Exclude net.java.dev.jna:jna dependency from dependencies of org.caffinitas.ohc:ohc-core (CASSANDRA-18992)
* Add UCS sstable_growth and min_sstable_size options (CASSANDRA-18945)
* Make cqlsh's min required Python version 3.7+ instead of 3.6+ (CASSANDRA-18960)
* Fix incorrect seeking through the sstable iterator by IndexState (CASSANDRA-18932)
* Upgrade Python driver to 3.28.0 (CASSANDRA-18960)
* Add retries to IR messages (CASSANDRA-18962)
* Add metrics and logging to repair retries (CASSANDRA-18952)
* Remove deprecated code in Cassandra 1.x and 2.x (CASSANDRA-18959)
* ClientRequestSize metrics should not treat CONTAINS restrictions as being equality-based (CASSANDRA-18896)
* Add support for vector search in SAI (CASSANDRA-18715)
* Remove crc_check_chance from CompressionParams (CASSANDRA-18872)
* Fix schema loading of UDTs inside vectors inside UDTs (CASSANDRA-18964)
* Add cqlsh autocompletion for the vector data type (CASSANDRA-18946)
* Fix nodetool tablehistograms output to avoid printing repeated information and ensure at most two arguments (CASSANDRA-18955)
* Change the checksum algorithm SAI-related files use from CRC32 to CRC32C (CASSANDRA-18836)
* Correctly remove Index.Group from IndexRegistry (CASSANDRA-18905)
* Fix vector type to support DDM's mask_default function (CASSANDRA-18889)
* Remove unnecessary reporter-config3 dependency (CASSANDRA-18907)
* Remove support for empty values on the vector data type (CASSANDRA-18876)
* Upgrade Dropwizard Metrics to 4.2.19 (CASSANDRA-14667)
* Upgrade caffeine cache and fix CIDR permissions cache invalidation (CASSANDRA-18805)
* Remove deprecated properties in CompressionParams (CASSANDRA-18742)
* Add support for repair coordinator to retry messages that timeout (CASSANDRA-18816)
* Upgrade slf4j-api to 1.7.36 (CASSANDRA-18882)
* Make the output of ON/OFF commands in cqlsh consistent (CASSANDRA-18547)
* Do not create sstable files before registering in txn (CASSANDRA-18737)
* Remove wrong assertion in SSTableLoader (CASSANDRA-18840)
* Do not log stacktrace on mismatched cache and schema version and checksum error in AutoSavingCache (CASSANDRA-18862)
* Remove wrong assertion in SSTableLoader (CASSANDRA-18840)
* Fix accessing java.nio.Bits.TOTAL_CAPACITY in Java17 (CASSANDRA-18848)
* Remove metrics-reporter-config dependency (CASSANDRA-18743)
* Fix SAI's SegmentMetadata min and max primary keys (CASSANDRA-18734)
* Remove commons-codec dependency (CASSANDRA-18772)
Merged from 4.1:
* Internode legacy SSL storage port certificate is not hot reloaded on update (CASSANDRA-18681)
* Nodetool paxos-only repair is no longer incremental (CASSANDRA-18466)
Merged from 4.0:
* Support max SSTable size in sorted CQLSSTableWriter (CASSANDRA-18941)
* Fix nodetool repair_admin summarize-pending command to not throw exception (CASSANDRA-19014)
* Fix cassandra-stress in simplenative mode with prepared statements (CASSANDRA-18744)
* Fix filtering system ks sstables for relocation on startup (CASSANDRA-18963)
* Remove completed coordinator sessions (CASSANDRA-18903)
* Gossip NPE due to shutdown event corrupting empty statuses (CASSANDRA-18913)
* Update hdrhistogram to 2.1.12 (CASSANDRA-18893)
* Improve performance of compactions when table does not have an index (CASSANDRA-18773)
* JMH improvements - faster build and async profiler (CASSANDRA-18871)
* Enable 3rd party JDK installations for Debian package (CASSANDRA-18844)
Merged from 3.11:
* Revert CASSANDRA-18543 (CASSANDRA-18854)
Merged from 3.0:
* Suppress CVE-2023-6378 (CASSANDRA-19142)
* Do not set RPC_READY to false on transports shutdown in order to not fail counter updates for deployments with coordinator and storage nodes with transports turned off (CASSANDRA-18935)
* Suppress CVE-2023-44487 (CASSANDRA-18943)
* Implement the logic in bin/stop-server (CASSANDRA-18838)
* Fix nodetool enable/disablebinary to correctly set rpc readiness in gossip (CASSANDRA-18935)
* Implement the logic in bin/stop-server (CASSANDRA-18838)
* Upgrade snappy-java to 1.1.10.4 (CASSANDRA-18878)
* Add cqlshrc.sample and credentials.sample into Debian package (CASSANDRA-18818)
5.0-alpha1
* Fix rpm installations to work with jdk17 (CASSANDRA-18817)
* Fix Depends and Build-Depends for Java for Debian packages (CASSANDRA-18809)
* Update command line flags --add-exports and --add-opens for JDK17 (CASSANDRA-18439)
* Update commons-lang3 to 3.13.0 (CASSANDRA-18789)
* Forbid SAI indexes with analysis options on primary key columns (CASSANDRA-18782)
* Expose bootstrap failure state via JMX and nodetool info (CASSANDRA-18749)
* Reduce size of per-SSTable index components for SAI (CASSANDRA-18673)
* Remove unnecessary Netty dependencies after upgrade to version 4.1.96 (CASSANDRA-18729)
* Prevent InaccessibleObjectException when the Leak Detector is traversing objects (CASSANDRA-18708)
* Remove legacy command line options from cassandra-stress (CASSANDRA-18529)
* Remove commitlog_sync_batch_window_in_ms (CASSANDRA-17161)
* Upgrade JMH from 1.21 to 1.36 (CASSANDRA-18696)
* Add guardrail for vector dimensions (CASSANDRA-18730)
Merged from 4.1:
* Fixed the inconsistency between distributedKeyspaces and distributedAndLocalKeyspaces (CASSANDRA-18747)
* Waiting indefinitely on ReceivedMessage response in StreamSession#receive() can cause deadlock (CASSANDRA-18733)
* Allow empty keystore_password in encryption_options (CASSANDRA-18778)
Merged from 4.0:
* Retrieve keyspaces metadata and schema version concistently in DescribeStatement (CASSANDRA-18921)
* JMH improvements - faster build and async profiler (CASSANDRA-18871)
Merged from 3.11:
* Fix NPE when using udfContext in UDF after a restart of a node (CASSANDRA-18739)
Merged from 3.0:
* Add cqlshrc.sample and credentials.sample into Debian package (CASSANDRA-18818)
* Refactor validation logic in StorageService.rebuild (CASSANDRA-18803)
* Make alternation of a user type validate the same way as creation of a user type does (CASSANDRA-18585)
* Fix missing speculative retries in tablestats (CASSANDRA-18767)
* Fix Requires for Java for RPM package (CASSANDRA-18751)
* Fix CQLSH online help topic link (CASSANDRA-17534)
* Remove unused suppressions (CASSANDRA-18724)
5.0
* Upgraded Netty to 4.1.96, added BouncyCastle dependency (CASSANDRA-17992)
* Fix for (unsupported) big endian unaligned architecture, eg s390x (CASSANDRA-17723)
* CIDR filtering authorizer (CASSANDRA-18592)
* Remove 3.x from the versions checked for prepared statement behaviour (CASSANDRA-18695)
* Add vector similarity functions (CASSANDRA-18640)
* Lift MessagingService.minimum_version to 40 (CASSANDRA-18314)
* Introduce pluggable crypto providers and default to AmazonCorrettoCryptoProvider (CASSANDRA-18624)
* Improved DeletionTime serialization (CASSANDRA-18648)
* CEP-7: Storage Attached Indexes (CASSANDRA-16052)
* Add equals/hashCode override for ServerEncryptionOptions (CASSANDRA-18428)
* Upgrade ECJ to version 3.33.0 (CASSANDRA-18190)
* Fix ClassCastException from jdk GaloisCounterMode when using JDK17 provider (CASSANDRA-18180)
* Drop JDK8, add JDK17 (CASSANDRA-18255)
* Remove WaitingOnFreeMemtableSpace and DroppedMutations metrics (CASSANDRA-18298)
* Upgrade Jamm version to 0.4.0 (CASSANDRA-17884, CASSANDRA-16304, CASSANDRA-18329)
* Remove legacy 3.0/3.11 buffer pool metrics (CASSANDRA-18313)
* Add AzureSnitch (CASSANDRA-18646)
* Implementation of the Unified Compaction Strategy as described in CEP-26 (CASSANDRA-18397)
* Upgrade commons cli to 1.5.0 (CASSANDRA-18659)
* Disable the deprecated keyspace/table thresholds and convert them to guardrails (CASSANDRA-18617)
* Deprecate CloudstackSnitch and remove duplicate code in snitches (CASSANDRA-18438)
* Add support for vectors in UDFs (CASSANDRA-18613)
* Improve vector value validation errors (CASSANDRA-18652)
* Upgrade Guava to 32.0.1 (CASSANDRA-18645)
* Add duration and count of partition keys to sstablemetadata (CASSANDRA-18639)
* Remove deprecated compaction_tombstone_warning_threshold and compaction_large_partition_warning_threshold from yaml (CASSANDRA-18626)
* Enhance nodetool compactionstats with additional metrics (CASSANDRA-18305)
* Added support for type VECTOR<type, dimension> (CASSANDRA-18504)
* Expose bootstrap and decommission state to nodetool info (CASSANDRA-18555)
* Fix SSTabledump errors when dumping data from index (CASSANDRA-17698)
* Avoid unnecessary deserialization of terminal arguments when executing CQL functions (CASSANDRA-18566)
* Remove dependency on pytz library for setting CQLSH timezones on Python version >= 3.9 (CASSANDRA-17433)
* Extend maximum expiration date (CASSANDRA-14227)
* Add guardrail for partition tombstones and deprecate compaction_tombstone_warning_threshold (CASSANDRA-17194)
* Print header and statistics for cassandra-stress output with arbitrary frequency (CASSANDRA-12972)
* CEP-25: Trie-indexed SSTable format (CASSANDRA-18398)
* Make cassandra-stress able to read all credentials from a file (CASSANDRA-18544)
* Add guardrail for partition size and deprecate compaction_large_partition_warning_threshold (CASSANDRA-18500)
* Add HISTORY command for CQLSH (CASSANDRA-15046)
* Fix sstable formats configuration (CASSANDRA-18441)
* Add guardrail to bound timestamps (CASSANDRA-18352)
* Add keyspace_name column to system_views.clients (CASSANDRA-18525)
* Moved system properties and envs to CassandraRelevantProperties and CassandraRelevantEnv respectively (CASSANDRA-17797)
* Add sstablepartitions offline tool to find large partitions in sstables (CASSANDRA-8720)
* Replace usages of json-simple dependency by Jackson (CASSANDRA-16855)
* When decommissioning should set Severity to limit traffic (CASSANDRA-18430)
* For Java11 and Java17 remove -XX:-UseBiasedLocking as it is the default already (CASSANDRA-17869)
* Upgrade commons-io to 2.11.0 (CASSANDRA-17364)
* Node Draining Should Abort All Current SSTables Imports (CASSANDRA-18373)
* Use snake case for the names of CQL native functions (CASSANDRA-18037)
* Use jdk-dependent checkstyle version to check the source code (CASSANDRA-18262)
* Provide summary of failed SessionInfo's in StreamResultFuture (CASSANDRA-17199)
* CEP-20: Dynamic Data Masking (CASSANDRA-17940)
* Add system_views.snapshots virtual table (CASSANDRA-18102)
* Update OpenHFT dependencies (chronicle-queue, chronicle-core, chronicle-bytes, chronicle-wire, chronicle-threads) (CASSANDRA-18049)
* Remove org.apache.cassandra.hadoop code (CASSANDRA-18323)
* Remove deprecated CQL functions dateOf and unixTimestampOf (CASSANDRA-18328)
* Remove DateTieredCompactionStrategy (CASSANDRA-18043)
* Add system_views.max_sstable_size and system_views.max_sstable_duration tables (CASSANDRA-18333)
* Extend implicit allow-filtering for virtual tables to clustering columns (CASSANDRA-18331)
* Upgrade maven-shade-plugin to 3.4.1 to fix shaded dtest JAR build (CASSANDRA-18136)
* Upgrade to Opcodes.ASM9 (CASSANDRA-17971)
* Add MaxSSTableSize and MaxSSTableDuration metrics and propagate them together with local read/write ratio to tablestats (CASSANDRA-18283)
* Add more logging around CompactionManager operations (CASSANDRA-18268)
* Reduce memory allocations of calls to ByteBufer.duplicate() made in org.apache.cassandra.transport.CBUtil#writeValue (CASSANDRA-18212)
* CEP-17: SSTable API (CASSANDRA-17056)
* Gossip stateMapOrdering does not have correct ordering when both EndpointState are in the bootstrapping set (CASSANDRA-18292)
* Snapshot only sstables containing mismatching ranges on preview repair mismatch (CASSANDRA-17561)
* More accurate skipping of sstables in read path (CASSANDRA-18134)
* Prepare for JDK17 experimental support (CASSANDRA-18179, CASSANDRA-18258)
* Remove Scripted UDFs internals; hooks to be added later in CASSANDRA-17281 (CASSANDRA-18252)
* Update JNA to 5.13.0 (CASSANDRA-18050)
* Make virtual tables decide if they implicitly enable ALLOW FILTERING (CASSANDRA-18238)
* Add row, tombstone, and sstable count to nodetool profileload (CASSANDRA-18022)
* Coordinator level metrics for read response and mutation row and column counts (CASSANDRA-18155)
* Add CQL functions for dynamic data masking (CASSANDRA-17941)
* Print friendly error when nodetool attempts to connect to uninitialized server (CASSANDRA-11537)
* Use G1GC by default, and update default G1GC settings (CASSANDRA-18027)
* SimpleSeedProvider can resolve multiple IP addresses per DNS record (CASSANDRA-14361)
* Remove mocking in InternalNodeProbe spying on StorageServiceMBean (CASSANDRA-18152)
* Add compaction_properties column to system.compaction_history table and nodetool compactionhistory command (CASSANDRA-18061)
* Remove ProtocolVersion entirely from the CollectionSerializer ecosystem (CASSANDRA-18114)
* Fix serialization error in new getsstables --show-levels option (CASSANDRA-18140)
* Use checked casts when reading vints as ints (CASSANDRA-18099)
* Add Mutation Serialization Caching (CASSANDRA-17998)
* Only reload compaction strategies if disk boundaries change (CASSANDRA-17874)
* CEP-10: Simulator Java11 Support (CASSANDRA-17178)
* Set the major compaction type correctly for compactionstats (CASSANDRA-18055)
* Print exception message without stacktrace when nodetool commands fail on probe.getOwnershipWithPort() (CASSANDRA-18079)
* Add option to print level in nodetool getsstables output (CASSANDRA-18023)
* Implement a guardrail for not having zero default_time_to_live on tables with TWCS (CASSANDRA-18042)
* Add CQL scalar functions for collection aggregation (CASSANDRA-18060)
* Make cassandra.replayList property for CommitLogReplayer possible to react on keyspaces only (CASSANDRA-18044)
* Add Mathematical functions (CASSANDRA-17221)
* Make incremental backup configurable per table (CASSANDRA-15402)
* Change shebangs of Python scripts to resolve Python 3 from env command (CASSANDRA-17832)
* Add reasons to guardrail messages and consider guardrails in the error message for needed ALLOW FILTERING (CASSANDRA-17967)
* Add support for CQL functions on collections, tuples and UDTs (CASSANDRA-17811)
* Add flag to exclude nodes from local DC when running nodetool rebuild (CASSANDRA-17870)
* Adding endpoint verification option to client_encryption_options (CASSANDRA-18034)
* Replace 'wcwidth.py' with pypi module (CASSANDRA-17287)
* Add nodetool forcecompact to remove tombstoned or ttl'd data ignoring GC grace for given table and partition keys (CASSANDRA-17711)
* Offer IF (NOT) EXISTS in cqlsh completion for CREATE TYPE, DROP TYPE, CREATE ROLE and DROP ROLE (CASSANDRA-16640)
* Nodetool bootstrap resume will now return an error if the operation fails (CASSANDRA-16491)
* Disable resumable bootstrap by default (CASSANDRA-17679)
* Include Git SHA in --verbose flag for nodetool version (CASSANDRA-17753)
* Update Byteman to 4.0.20 and Jacoco to 0.8.8 (CASSANDRA-16413)
* Add memtable option among possible tab completions for a table (CASSANDRA-17982)
* Adds a trie-based memtable implementation (CASSANDRA-17240)
* Further improves precision of memtable heap tracking (CASSANDRA-17240)
* Fix formatting of metrics documentation (CASSANDRA-17961)
* Keep sstable level when streaming for decommission and move (CASSANDRA-17969)
* Add Unavailables metric for CASWrite in the docs (CASSANDRA-16357)
* Make Cassandra logs able to be viewed in the virtual table system_views.system_logs (CASSANDRA-17946)
* IllegalArgumentException in Gossiper#order due to concurrent mutations to elements being applied (CASSANDRA-17908)
* Include estimated active compaction remaining write size when starting a new compaction (CASSANDRA-17931)
* Mixed mode support for internode authentication during TLS upgrades (CASSANDRA-17923)
* Revert Mockito downgrade from CASSANDRA-17750 (CASSANDRA-17496)
* Add --older-than and --older-than-timestamp options for nodetool clearsnapshots (CASSANDRA-16860)
* Fix "open RT bound as its last item" exception (CASSANDRA-17810)
* Fix leak of non-standard Java types in JMX MBeans `org.apache.cassandra.db:type=StorageService`
and `org.apache.cassandra.db:type=RepairService` as clients using JMX cannot handle them. More details in NEWS.txt (CASSANDRA-17668)
* Deprecate Throwables.propagate usage (CASSANDRA-14218)
* Allow disabling hotness persistence for high sstable counts (CASSANDRA-17868)
* Prevent NullPointerException when changing neverPurgeTombstones from true to false (CASSANDRA-17897)
* Add metrics around storage usage and compression (CASSANDRA-17898)
* Remove usage of deprecated javax certificate classes (CASSANDRA-17867)
* Make sure preview repairs don't optimise streams unless configured to (CASSANDRA-17865)
* Optionally avoid hint transfer during decommission (CASSANDRA-17808)
* Make disabling auto snapshot on selected tables possible (CASSANDRA-10383)
* Introduce compaction priorities to prevent upgrade compaction inability to finish (CASSANDRA-17851)
* Prevent a user from manually removing ephemeral snapshots (CASSANDRA-17757)
* Remove dependency on Maven Ant Tasks (CASSANDRA-17750)
* Update ASM(9.1 to 9.3), Mockito(1.10.10 to 1.12.13) and ByteBuddy(3.2.4 to 4.7.0) (CASSANDRA-17835)
* Add the ability for operators to loosen the definition of "empty" for edge cases (CASSANDRA-17842)
* Fix potential out of range exception on column index downsampling (CASSANDRA-17839)
* Introduce target directory to vtable output for sstable_tasks and for compactionstats (CASSANDRA-13010)
* Read/Write/Truncate throw RequestFailure in a race condition with callback timeouts, should return Timeout instead (CASSANDRA-17828)
* Add ability to log load profiles at fixed intervals (CASSANDRA-17821)
* Protect against Gossip backing up due to a quarantined endpoint without version information (CASSANDRA-17830)
* NPE in org.apache.cassandra.cql3.Attributes.getTimeToLive (CASSANDRA-17822)
* Add guardrail for column size (CASSANDRA-17151)
* When doing a host replacement, we need to check that the node is a live node before failing with "Cannot replace a live node..." (CASSANDRA-17805)
* Add support to generate a One-Shot heap dump on unhandled exceptions (CASSANDRA-17795)
* Rate-limit new client connection auth setup to avoid overwhelming bcrypt (CASSANDRA-17812)
* DataOutputBuffer#scratchBuffer can use off-heap or on-heap memory as a means to control memory allocations (CASSANDRA-16471)
* Add ability to read the TTLs and write times of the elements of a collection and/or UDT (CASSANDRA-8877)
* Removed Python < 2.7 support from formatting.py (CASSANDRA-17694)
* Cleanup pylint issues with pylexotron.py (CASSANDRA-17779)
* NPE bug in streaming checking if SSTable is being repaired (CASSANDRA-17801)
* Users of NativeLibrary should handle lack of JNA appropriately when running in client mode (CASSANDRA-17794)
* Warn on unknown directories found in system keyspace directory rather than kill node during startup checks (CASSANDRA-17777)
* Log duplicate rows sharing a partition key found in verify and scrub (CASSANDRA-17789)
* Add separate thread pool for Secondary Index building so it doesn't block compactions (CASSANDRA-17781)
* Added JMX call to getSSTableCountPerTWCSBucket for TWCS (CASSANDRA-17774)
* When doing a host replacement, -Dcassandra.broadcast_interval_ms is used to know when to check the ring but checks that the ring wasn't changed in -Dcassandra.ring_delay_ms, changes to ring delay should not depend on when we publish load stats (CASSANDRA-17776)
* When bootstrap fails, CassandraRoleManager may attempt to do read queries that fail with "Cannot read from a bootstrapping node", and increments unavailables counters (CASSANDRA-17754)
* Add guardrail to disallow DROP KEYSPACE commands (CASSANDRA-17767)
* Remove ephemeral snapshot marker file and introduce a flag to SnapshotManifest (CASSANDRA-16911)
* Add a virtual table that exposes currently running queries (CASSANDRA-15241)
* Allow sstableloader to specify table without relying on path (CASSANDRA-16584)
* Fix TestGossipingPropertyFileSnitch.test_prefer_local_reconnect_on_listen_address (CASSANDRA-17700)
* Add ByteComparable API (CASSANDRA-6936)
* Add guardrail for maximum replication factor (CASSANDRA-17500)
* Increment CQLSH to version 6.2.0 for release 4.2 (CASSANDRA-17646)
* Adding support to perform certificate based internode authentication (CASSANDRA-17661)
* Option to disable CDC writes of repaired data (CASSANDRA-17666)
* When a node is bootstrapping it gets the whole gossip state but applies in random order causing some cases where StorageService will fail causing an instance to not show up in TokenMetadata (CASSANDRA-17676)
* Add CQLSH command SHOW REPLICAS (CASSANDRA-17577)
* Add guardrail to allow disabling of SimpleStrategy (CASSANDRA-17647)
* Change default directory permission to 750 in packaging (CASSANDRA-17470)
* Adding support for TLS client authentication for internode communication (CASSANDRA-17513)
* Add new CQL function maxWritetime (CASSANDRA-17425)
* Add guardrail for ALTER TABLE ADD / DROP / REMOVE column operations (CASSANDRA-17495)
* Rename DisableFlag class to EnableFlag on guardrails (CASSANDRA-17544)
Merged from 4.1:
* Skip ColumnFamilyStore#topPartitions initialization when client or tool mode (CASSANDRA-18697)
Merged from 4.0:
* Partial compaction can resurrect deleted data (CASSANDRA-18507)
Merged from 3.11:
* Fix delayed SSTable release with unsafe_aggressive_sstable_expiration (CASSANDRA-18756)
* Fix NPE when using udfContext in UDF after a restart of a node (CASSANDRA-18739)
Merged from 3.0:
* CQLSH emits a warning when the server version doesn't match (CASSANDRA-18745)
* Fix missing speculative retries in tablestats (CASSANDRA-18767)
* Fix Requires for Java for RPM package (CASSANDRA-18751)
* Fix CQLSH online help topic link (CASSANDRA-17534)
* Remove unused suppressions (CASSANDRA-18724)
4.1.4
* Fix StackOverflowError on ALTER after many previous schema changes (CASSANDRA-19166)
Merged from 4.0:
* Fix NTS log message when an unrecognized strategy option is passed (CASSANDRA-18679)
* Fix BulkLoader ignoring cipher suites options (CASSANDRA-18582)
* Migrate Python optparse to argparse (CASSANDRA-17914)
Merged from 3.11:
Merged from 3.0:
4.1.3
Merged from 4.0:
* Revert CASSANDRA-16718 (CASSANDRA-18560)
* Upgrade snappy to 1.1.10.1 (CASSANDRA-18608)
* Fix assertion error when describing mv as table (CASSANDRA-18596)
* Track the amount of read data per row (CASSANDRA-18513)
* Fix Down nodes counter in nodetool describecluster (CASSANDRA-18512)
* Remove unnecessary shuffling of GossipDigests in Gossiper#makeRandomGossipDigest (CASSANDRA-18546)
Merged from 3.11:
* Moved jflex from runtime to build dependencies (CASSANDRA-18664)
* Fix CAST function for float to decimal (CASSANDRA-18647)
* Suppress CVE-2022-45688 (CASSANDRA-18643)
* Remove unrepaired SSTables from garbage collection when only_purge_repaired_tombstones is true (CASSANDRA-14204)
* Wait for live endpoints in gossip waiting to settle (CASSANDRA-18543)
* Fix error message handling when trying to use CLUSTERING ORDER with non-clustering column (CASSANDRA-17818
* Add keyspace and table name to exception message during ColumnSubselection deserialization (CASSANDRA-18346)
Merged from 3.0:
* Suppress CVE-2023-34462 (CASSANDRA-18649)
* Add support for AWS Ec2 IMDSv2 (CASSANDRA-16555)
* Suppress CVE-2023-35116 (CASSANDRA-18630)
* Pass taskId from CompactionTask to system.compaction_history (CASSANDRA-12183)
* Backport CASSANDRA-10508: Remove hard-coded SSL cipher suites (CASSANDRA-18575)
* Suppress CVE-2023-2976 (CASSANDRA-18562)
* Remove dh_python use in Debian packaging (CASSANDRA-18558)
4.1.2
* NPE when deserializing malformed collections from client (CASSANDRA-18505)
* Allow keystore and trustrore passwords to be nullable (CASSANDRA-18124)
* Return snapshots with dots in their name in nodetool listsnapshots (CASSANDRA-18371)
* Fix NPE when loading snapshots and data directory is one directory from root (CASSANDRA-18359)
* Do not submit hints when hinted_handoff_enabled=false (CASSANDRA-18304)
* Fix COPY ... TO STDOUT behavior in cqlsh (CASSANDRA-18353)
* Remove six and Py2SaferScanner merge cruft (CASSANDRA-18354)
Merged from 4.0:
* Improve nodetool enable{audit,fullquery}log (CASSANDRA-18550)
* Report network cache info in nodetool (CASSANDRa-18400)
* Partial compaction can resurrect deleted data (CASSANDRA-18507)
* Allow internal address to change with reconnecting snitches (CASSANDRA-16718)
* Fix quoting in toCqlString methods of UDTs and aggregates (CASSANDRA-17918)
* Improve 'Not enough space for compaction' logging messages (CASSANDRA-18260)
* Incremental repairs fail on mixed IPv4/v6 addresses serializing SyncRequest (CASSANDRA-18474)
* Deadlock updating sstable metadata if disk boundaries need reloading (CASSANDRA-18443)
* Fix nested selection of reversed collections (CASSANDRA-17913)
* Update zstd-jni library to version 1.5.5 (CASSANDRA-18429)
Merged from 3.11:
* Remove unnecessary String.format invocation in QueryProcessor when getting a prepared statement from cache (CASSANDRA-17202)
* Fix the capital P usage in the CQL parser (CASSANDRA-17919)
Merged from 3.0:
* Pass down all contact points to driver for cassandra-stress (CASSANDRA-18025)
* Validate the existence of a datacenter in nodetool rebuild (CASSANDRA-14319)
* Suppress CVE-2023-2251 (CASSANDRA-18497)
* Do not remove SSTables when cause of FSReadError is OutOfMemoryError while using best_effort disk failure policy (CASSANDRA-18336)
* Do not remove truncated_at entry in system.local while dropping an index (CASSANDRA-18105)
4.0.9
* Update zstd-jni library to version 1.5.5 (CASSANDRA-18429)
* Backport CASSANDRA-17205 to 4.0 branch - Remove self-reference in SSTableTidier (CASSANDRA-18332)
* Avoid loading the preferred IP for BulkLoader streaming (CASSANDRA-18370)
* Fix BufferPool incorrect memoryInUse when putUnusedPortion is used (CASSANDRA-18311)
* Improve memtable allocator accounting when updating AtomicBTreePartition (CASSANDRA-18125)
* Update zstd-jni to version 1.5.4-1 (CASSANDRA-18259)
* Split and order IDEA workspace template VM_PARAMETERS (CASSANDRA-18242)
Merged from 3.11:
* Fix sstable_count metric missing from tablestats json/yaml output (CASSANDRA-18448)
* Suppress CVE-2022-45688 (CASSANDRA-18389)
* Fix Splitter sometimes creating more splits than requested (CASSANDRA-18013)
Merged from 3.0:
* Do not remove SSTables when cause of FSReadError is OutOfMemoryError while using best_effort disk failure policy (CASSANDRA-18336)
* Do not remove truncated_at entry in system.local while dropping an index (CASSANDRA-18105)
* Save host id to system.local and flush immediately after startup (CASSANDRA-18153)
4.1.1
* Deprecate org.apache.cassandra.hadoop code (CASSANDRA-16984)
* Fix too early schema version change in sysem local table (CASSANDRA-18291)
* Fix copying of JAR of a trigger to temporary file (CASSANDRA-18264)
* Fix possible NoSuchFileException when removing a snapshot (CASSANDRA-18211)
* PaxosPrepare may add instances to the Electorate that are not in gossip (CASSANDRA-18194)
* Fix PAXOS2_COMMIT_AND_PREPARE_RSP serialisation AssertionError (CASSANDRA-18164)
* Streaming progress virtual table lock contention can trigger TCP_USER_TIMEOUT and fail streaming (CASSANDRA-18110)
* Fix perpetual load of denylist on read in cases where denylist can never be loaded (CASSANDRA-18116)
Merged from 4.0:
* Fix BufferPool incorrect memoryInUse when putUnusedPortion is used (CASSANDRA-18311)
* Improve memtable allocator accounting when updating AtomicBTreePartition (CASSANDRA-18125)
* Update zstd-jni to version 1.5.4-1 (CASSANDRA-18259)
* Split and order IDEA workspace template VM_PARAMETERS (CASSANDRA-18242)
* Log warning message on aggregation queries without key or on multiple keys (CASSANDRA-18219)
* Fix the output of FQL dump tool to properly separate entries (CASSANDRA-18215)
* Add cache type information for maximum memory usage warning message (CASSANDRA-18184)
* Fix NPE in fqltool dump on null value (CASSANDRA-18113)
* Improve unit tests performance (CASSANDRA-17427)
* Connect to listen address when own broadcast address is requested (CASSANDRA-18200)
* Add safeguard so cleanup fails when node has pending ranges (CASSANDRA-16418)
* Fix legacy clustering serialization for paging with compact storage (CASSANDRA-17507)
* Add support for python 3.11 (CASSANDRA-18088)
* Fix formatting of duration in cqlsh (CASSANDRA-18141)
* Fix sstable loading of keyspaces named snapshots or backups (CASSANDRA-14013)
* Avoid ConcurrentModificationException in STCS/DTCS/TWCS.getSSTables (CASSANDRA-17977)
* Restore internode custom tracing on 4.0's new messaging system (CASSANDRA-17981)
Merged from 3.11:
Merged from 3.0:
* Fix the ordering of sstables when running sstableupgrade tool (CASSANDRA-18143)
* Fix default file system error handler for disk_failure_policy die (CASSANDRA-18294)
* Introduce check for names of test classes (CASSANDRA-17964)
* Suppress CVE-2022-41915 (CASSANDRA-18147)
* Suppress CVE-2021-1471, CVE-2021-3064, CVE-2021-4235 (CASSANDRA-18149)
* Switch to snakeyaml's SafeConstructor (CASSANDRA-18150)
* Expand build.dir property in rat targets (CASSANDRA-18183)
* Suppress CVE-2022-41881 (CASSANDRA-18148)
* Default role is created with zero timestamp (CASSANDRA-12525)
* Suppress CVE-2021-37533 (CASSANDRA-18146)
* Add to the IntelliJ Git Window issue navigation links to Cassandra's Jira (CASSANDRA-18126)
* Avoid anticompaction mixing data from two different time windows with TWCS (CASSANDRA-17970)
* Do not spam the logs with MigrationCoordinator not being able to pull schemas (CASSANDRA-18096)
4.1.0
* Fix ContentionStrategy backoff and Clock.waitUntil (CASSANDRA-18086)
Merged from 4.0:
Merged from 3.11:
Merged from 3.0:
* Fix incorrect resource name in LIST PERMISSION output (CASSANDRA-17848)
* Suppress CVE-2022-41854 and similar (CASSANDRA-18083)
4.1-rc1
* Avoid schema mismatch problems on memtable API misconfiguration (CASSANDRA-18040)
* Start Paxos auto repair in CassandraDaemon (CASSANDRA-18029)
* Restore streaming_keep_alive_period on the netty control streaming channel (CASSANDRA-17768)
* Move Schema.FORCE_LOAD_KEYSPACES and Schema.FORCE_LOAD_KEYSPACES_PROP to CassandraRelevantProps (CASSANDRA-17783)
* Add --resolve-ip option to nodetool gossipinfo (CASSANDRA-17934)
* Allow pre-V5 global limit on bytes in flight to revert to zero asynchronously in RateLimitingTest (CASSANDRA-17927)
Merged from 4.0:
* Backport CASSANDRA-17205 to 4.0 branch - Remove self-reference in SSTableTidier (CASSANDRA-18332)
* Avoid loading the preferred IP for BulkLoader streaming (CASSANDRA-18370)
* Harden parsing of boolean values in CQL in PropertyDefinitions (CASSANDRA-17878)
* Fix error message about type hints (CASSANDRA-17915)
* Fix possible race condition on repair snapshots (CASSANDRA-17955)
* Fix ASM bytecode version inconsistency (CASSANDRA-17873)
* Remove empty cq4 files in log directory to not fail the startup of BinLog (CASSANDRA-17933)
* Fix multiple BufferPool bugs (CASSANDRA-16681)
* Fix StorageService.getNativeaddress handling of IPv6 addresses (CASSANDRA-17945)
Merged from 3.11:
* Fix Splitter sometimes creating more splits than requested (CASSANDRA-18013)
* Suppress CVE-2022-42003 and CVE-2022-42004 (CASSANDRA-17966)
* Make LongBufferPoolTest insensitive to timing (CASSANDRA-16681)
Merged from 3.0:
* Fix running Ant rat targets without git (CASSANDRA-17974)
* Harden JMX by resolving beanshooter issues (CASSANDRA-17921)
* Suppress CVE-2019-2684 (CASSANDRA-17965)
* Fix auto-completing "WITH" when creating a materialized view (CASSANDRA-17879)
4.1-beta1
* We should not emit deprecation warning on startup for `key_cache_save_period`, `row_cache_save_period`, `counter_cache_save_period` (CASSANDRA-17904)
* upsert with adder support is not consistent with numbers and strings in LWT (CASSANDRA-17857)
* Fix race and return after failing connections (CASSANDRA-17618)
* Speculative execution threshold unit mismatch (CASSANDRA-17877)
* Fix BulkLoader to load entireSSTableThrottle and entireSSTableInterDcThrottle (CASSANDRA-17677)
* Fix a race condition where a keyspace can be oopened while it is being removed (CASSANDRA-17658)
* DatabaseDescriptor will set the default failure detector during client initialization (CASSANDRA-17782)
* Avoid initializing schema via SystemKeyspace.getPreferredIP() with the BulkLoader tool (CASSANDRA-17740)
* Improve JMX methods signatures, fix JMX and config backward compatibility (CASSANDRA-17725)
* Fix sstable_preemptive_open_interval disabled value. sstable_preemptive_open_interval = null backward compatible with
sstable_preemptive_open_interval_in_mb = -1 (CASSANDRA-17737)
* Remove usages of Path#toFile() in the snapshot apparatus (CASSANDRA-17769)
* Fix Settings Virtual Table to update paxos_variant after startup and rename enable_uuid_sstable_identifiers to
uuid_sstable_identifiers_enabled as per our config naming conventions (CASSANDRA-17738)
* index_summary_resize_interval_in_minutes = -1 is equivalent to index_summary_resize_interval being set to null or
disabled. JMX MBean IndexSummaryManager, setResizeIntervalInMinutes method still takes resizeIntervalInMinutes = -1 for disabled (CASSANDRA-17735)
* min_tracked_partition_size_bytes parameter from 4.1 alpha1 was renamed to min_tracked_partition_size (CASSANDRA-17733)
* Remove commons-lang dependency during build runtime (CASSANDRA-17724)
* Relax synchronization on StreamSession#onError() to avoid deadlock (CASSANDRA-17706)
* Fix AbstractCell#toString throws MarshalException for cell in collection (CASSANDRA-17695)
* Add new vtable output option to compactionstats (CASSANDRA-17683)
* Fix commitLogUpperBound initialization in AbstractMemtableWithCommitlog (CASSANDRA-17587)
* Fix widening to long in getBatchSizeFailThreshold (CASSANDRA-17650)
* Fix widening from mebibytes to bytes in IntMebibytesBound (CASSANDRA-17716)
* Revert breaking change in nodetool clientstats and expose cient options through nodetool clientstats --client-options. (CASSANDRA-17715)
* Fix missed nowInSec values in QueryProcessor (CASSANDRA-17458)
* Revert removal of withBufferSizeInMB(int size) in CQLSSTableWriter.Builder class and deprecate it in favor of withBufferSizeInMiB(int size) (CASSANDRA-17675)
* Remove expired snapshots of dropped tables after restart (CASSANDRA-17619)
Merged from 4.0:
* Mitigate direct buffer memory OOM on replacements (CASSANDRA-17895)
* Fix repair failure on assertion if two peers have overlapping mismatching ranges (CASSANDRA-17900)
* Better handle null state in Gossip schema migration to avoid NPE (CASSANDRA-17864)
* HintedHandoffAddRemoveNodesTest now accounts for the fact that StorageMetrics.totalHints is not updated synchronously w/ writes (CASSANDRA-16679)
* Avoid getting hanging repairs due to repair message timeouts (CASSANDRA-17613)
* Prevent infinite loop in repair coordinator on FailSession (CASSANDRA-17834)
* Fix race condition on updating cdc size and advancing to next segment (CASSANDRA-17792)
* Add 'noboolean' rpm build for older distros like CentOS7 (CASSANDRA-17765)
* Fix default value for compaction_throughput_mb_per_sec in Config class to match the one in cassandra.yaml (CASSANDRA-17790)
* Fix Setting Virtual Table - update after startup config properties gc_log_threshold_in_ms, gc_warn_threshold_in_ms,
conf.index_summary_capacity_in_mb, prepared_statements_cache_size_mb, key_cache_size_in_mb, counter_cache_size_in_mb
(CASSANDRA-17737)
* Fix Settings Virtual Table - index_summary_resize_interval and index_summary_capacity were not updated after startup (CASSANDRA-17735)
* Clean up ScheduledExecutors, CommitLog, and MessagingService shutdown for in-JVM dtests (CASSANDRA-17731)
* Remove extra write to system table for prepared statements (CASSANDRA-17764)
* SSL storage port in sstableloader is deprecated (CASSANDRA-17602)
* Fix counter write timeouts at ONE (CASSANDRA-17411)
* Fix NPE in getLocalPrimaryRangeForEndpoint (CASSANDRA-17680)
* Allow Java 11 to satisfy RPM/Debian packaging (CASSANDRA-17669)
* Ensure FileStreamTask cannot compromise shared channel proxy for system table when interrupted (CASSANDRA-17663)
* silence benign SslClosedEngineException (CASSANDRA-17565)
Merged from 3.11:
* Fix potential IndexOutOfBoundsException in PagingState in mixed mode clusters (CASSANDRA-17840)
* Document usage of closed token intervals in manual compaction (CASSANDRA-17575)
* Creating of a keyspace on insufficient number of replicas should filter out gosspping-only members (CASSANDRA-17759)
* Suppress CVE-2022-25857 and other snakeyaml CVEs (CASSANDRA-17907)
Merged from 3.0:
* Improve libjemalloc resolution in bin/cassandra (CASSANDRA-15767)
* Fix restarting of services on gossipping-only member (CASSANDRA-17752)
* Fix scrubber falling into infinite loop when the last partition is broken (CASSANDRA-17862)
* Fix resetting schema (CASSANDRA-17819)
4.1-alpha1
* Handle config parameters upper bound on startup; Fix auto_snapshot_ttl and paxos_purge_grace_period min unit validations (CASSANDRA-17571)
* Fix leak of non-standard Java types in our Exceptions as clients using JMX are unable to handle them.
Remove useless validation that leads to unnecessary additional read of cassandra.yaml on startup (CASSANDRA-17638)
* Fix repair_request_timeout_in_ms and remove paxos_auto_repair_threshold_mb (CASSANDRA-17557)
* Incremental repair leaks SomeRepairFailedException after switch away from flatMap (CASSANDRA-17620)
* StorageService read threshold get methods throw NullPointerException due to not handling null configs (CASSANDRA-17593)
* Rename truncate_drop guardrail to drop_truncate_table (CASSANDRA-17592)
* nodetool enablefullquerylog can NPE when directory has no files (CASSANDRA-17595)
* Add auto_snapshot_ttl configuration (CASSANDRA-16790)
* List snapshots of dropped tables (CASSANDRA-16843)
* Add information whether sstables are dropped to SchemaChangeListener (CASSANDRA-17582)
* Add a pluggable memtable API (CEP-11 / CASSANDRA-17034)
* Save sstable id as string in activity table (CASSANDRA-17585)
* Implement startup check to prevent Cassandra to potentially spread zombie data (CASSANDRA-17180)
* Allow failing startup on duplicate config keys (CASSANDRA-17379)
* Migrate threshold for minimum keyspace replication factor to guardrails (CASSANDRA-17212)
* Add guardrail to disallow TRUNCATE and DROP TABLE commands (CASSANDRA-17558)
* Add plugin support for CQLSH (CASSANDRA-16456)
* Add guardrail to disallow querying with ALLOW FILTERING (CASSANDRA-17370)
* Enhance SnakeYAML properties to be reusable outside of YAML parsing, support camel case conversion to snake case, and add support to ignore properties (CASSANDRA-17166)
* nodetool compact should support using a key string to find the range to avoid operators having to manually do this (CASSANDRA-17537)
* Add guardrail for data disk usage (CASSANDRA-17150)
* Tool to list data paths of existing tables (CASSANDRA-17568)
* Migrate track_warnings to more standard naming conventions and use latest configuration types rather than long (CASSANDRA-17560)
* Add support for CONTAINS and CONTAINS KEY in conditional UPDATE and DELETE statement (CASSANDRA-10537)
* Migrate advanced config parameters to the new Config types (CASSANDRA-17431)
* Make null to be meaning disabled and leave 0 as a valid value for permissions_update_interval, roles_update_interval, credentials_update_interval (CASSANDRA-17431)
* Fix typo in Config annotation (CASSANDRA-17431)
* Made Converters type safe and fixed a few cases where converters used the wrong type (CASSANDRA-17431)
* Fix null bug in DataStorageSpec and DurationSpec and require units to be added when providing 0 value (CASSANDRA-17431)
* Shutdown ScheduledExecutors as part of node drainage (CASSANDRA-17493)
* Provide JMX endpoint to allow transient logging of blocking read repairs (CASSANDRA-17471)
* Add guardrail for GROUP BY queries (CASSANDRA-17509)
* make pylib PEP and pylint compliant (CASSANDRA-17546)
* Add support for vnodes in jvm-dtest (CASSANDRA-17332)
* Remove guardrails global enable flag (CASSANDRA-17499)
* Clients using JMX are unable to handle non-standard java types but we leak this into our interfaces (CASSANDRA-17527)
* Remove stress server functionality (CASSANDRA-17535)
* Reduce histogram snapshot long[] allocation overhead during speculative read and write threshold updates (CASSANDRA-17523)
* Add guardrail for creation of secondary indexes (CASSANDRA-17498)
* Add guardrail to disallow creation of uncompressed tables (CASSANDRA-17504)
* Add guardrail to disallow creation of new COMPACT STORAGE tables (CASSANDRA-17522)
* repair vtables should expose a completed field due to lack of filtering options in CQL (CASSANDRA-17520)
* remove outdated code from cqlsh (CASSANDRA-17490)
* remove support for deprecated version specific TLS in Python 3.6 (CASSANDRA-17365)
* Add support for IF EXISTS and IF NOT EXISTS in ALTER statements (CASSANDRA-16916)
* resolve several pylint issues in cqlsh.py and pylib (CASSANDRA-17480)
* Streaming sessions longer than 3 minutes fail with timeout (CASSANDRA-17510)
* Add ability to track state in repair (CASSANDRA-15399)
* Remove unused 'parse' module (CASSANDRA-17484)
* change six functions in cqlshlib to native Python 3 (CASSANDRA-17417)
* reduce hot-path object allocations required to record local/remote requests against the client request metrics (CASSANDRA-17424)
* Disallow removing DC from system_auth while nodes are active in the DC (CASSANDRA-17478)
* Add guardrail for the number of fields per UDT (CASSANDRA-17385)
* Allow users to change cqlsh history location using env variable (CASSANDRA-17448)
* Add required -f option to use nodetool verify and standalone sstableverify (CASSANDRA-17017)
* Add support for UUID based sstable generation identifiers (CASSANDRA-17048)
* Log largest memtable flush at info instead of debug (CASSANDRA-17472)
* Add native transport rate limiter options to example cassandra.yaml, and expose metric for dispatch rate (CASSANDRA-17423)
* Add diagnostic events for guardrails (CASSANDRA-17197)
* Pre hashed passwords in CQL (CASSANDRA-17334)
* Increase cqlsh version (CASSANDRA-17432)
* Update SUPPORTED_UPGRADE_PATHS to include 3.0 and 3.x to 4.1 paths and remove obsolete tests (CASSANDRA-17362)
* Support DELETE in CQLSSTableWriter (CASSANDRA-14797)
* Failed inbound internode authentication failures generate ugly warning with stack trace (CASSANDRA-17068)
* Expose gossip information in system_views.gossip_info virtual table (CASSANDRA-17002)
* Add guardrails for collection items and size (CASSANDRA-17153)
* Improve guardrails messages (CASSANDRA-17430)
* Remove all usages of junit.framework and ban them via Checkstyle (CASSANDRA-17316)
* Add guardrails for read/write consistency levels (CASSANDRA-17188)
* Add guardrail for SELECT IN terms and their cartesian product (CASSANDRA-17187)
* remove unused imports in cqlsh.py and cqlshlib (CASSANDRA-17413)
* deprecate property windows_timer_interval (CASSANDRA-17404)
* Expose streaming as a vtable (CASSANDRA-17390)
* Expose all client options via system_views.clients and nodetool clientstats (CASSANDRA-16378)
* Make startup checks configurable (CASSANDRA-17220)
* Add guardrail for number of partition keys on IN queries (CASSANDRA-17186)
* update Python test framework from nose to pytest (CASSANDRA-17293)
* Fix improper CDC commit log segments deletion in non-blocking mode (CASSANDRA-17233)
* Add support for string concatenations through the + operator (CASSANDRA-17190)
* Limit the maximum hints size per host (CASSANDRA-17142)
* Add a virtual table for exposing batch metrics (CASSANDRA-17225)
* Flatten guardrails config (CASSANDRA-17353)
* Instance failed to start up due to NPE in StartupClusterConnectivityChecker (CASSANDRA-17347)
* add the shorter version of version flag (-v) in cqlsh (CASSANDRA-17236)
* Make vtables accessible via internode messaging (CASSANDRA-17295)
* Add support for PEM based key material for SSL (CASSANDRA-17031)
* Standardize storage configuration parameters' names. Support unit suffixes. (CASSANDRA-15234)
* Remove support for Windows (CASSANDRA-16956)
* Runtime-configurable YAML option to prohibit USE statements (CASSANDRA-17318)
* When streaming sees a ClosedChannelException this triggers the disk failure policy (CASSANDRA-17116)
* Add a virtual table for exposing prepared statements metrics (CASSANDRA-17224)
* Remove python 2.x support from cqlsh (CASSANDRA-17242)