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| # CHANGELOG of v2.7 | ||
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| Previous change logs can be found at [CHANGELOG-2.6](https://github.com/opencurve/curve/blob/master/CHANGELOG-2.6.md) | ||
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| ## Features | ||
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| * [curvefs/client: add quota for S3 client](https://github.com/opencurve/curve/pull/2836), thanks to [@h0hmj][h0hmj]. | ||
| * [curvefs/client: now we support hadoop sdk](https://github.com/opencurve/curve/pull/2807), thanks to [@Wine93][Wine93]. | ||
| * [curvefs/mds: add ability to change capacity in fsinfo](https://github.com/opencurve/curve/pull/2821), thanks to [@h0hmj][h0hmj]. | ||
| * [curvefs/monitor: add memcache](https://github.com/opencurve/curve/pull/2834), thanks to [@Cyber-SiKu][Cyber-SiKu]. | ||
| * [curvefs/monitor: add cluster usage](https://github.com/opencurve/curve/pull/2842), thanks to [@Cyber-SiKu][Cyber-SiKu]. | ||
| * [curvefs/monitor: support plugin](https://github.com/opencurve/curve/pull/2830), thanks to [@Cyber-SiKu][Cyber-SiKu]. | ||
| * [curvefs/docker: support run curvefs on Openeuler 22.03-lts-sp2 platform](https://github.com/opencurve/curve/pull/2789), thanks to [@peter5232][peter5232]. | ||
| * [curvebs/chunkserver: support format chunkfile pool in asynchronous](https://github.com/opencurve/curve/pull/2775), thanks to [@Vigor-jpg][Vigor-jpg]. | ||
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| ## Improve | ||
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| * [curvefs/client: optimizing the read amplification problem, especially for memcache](https://github.com/opencurve/curve/pull/2792), thanks to [@wuhongsong][wuhongsong]. | ||
| * [curvefs/client: split latency metric into data and attr](https://github.com/opencurve/curve/pull/2824), thanks to [@Cyber-SiKu][Cyber-SiKu]. | ||
| * [curvefs/mds: support modify some configs on fly](https://github.com/opencurve/curve/pull/2813), thanks to [@Cyber-SiKu][Cyber-SiKu]. | ||
| * [curvefs/metaserver: remove some unnecessary error logs](https://github.com/opencurve/curve/pull/2831), thanks to [@SeanHai][SeanHai]. | ||
| * [build: install clang-format-14 in dev docker](https://github.com/opencurve/curve/pull/2828), thanks to [@wu-hanqing][wu-hanqing]. | ||
| * [build: add braft format patch](https://github.com/opencurve/curve/pull/2661), thanks to [@wu-hanqing][wu-hanqing]. | ||
| * [build: support build specified library](https://github.com/opencurve/curve/pull/2829), thanks to [@quas-modo][quas-modo]. | ||
| * [doc: updated maintainers for curve project](https://github.com/opencurve/curve/pull/2695), thanks to [@aspirer][aspirer]. | ||
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| ## Bugfix | ||
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| [Cyber-SiKu]: https://github.com/Cyber-SiKu | ||
| [h0hmj]: https://github.com/h0hmj | ||
| [wu-hanqing]: https://github.com/wu-hanqing | ||
| [Wine93]: https://github.com/Wine93 | ||
| [Vigor-jpg]: https://github.com/Vigor-jpg | ||
| [SeanHai]: https://github.com/SeanHai | ||
| [quas-modo]: https://github.com/quas-modo | ||
| [wuhongsong]: https://github.com/wuhongsong | ||
| [peter5232]: https://github.com/peter5232 | ||
| [aspirer]: https://github.com/aspirer | ||
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| # Performance | ||
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| ## Hardware | ||
| 3 nodes (3*mds, 9*metaserver), each with: | ||
| - Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz | ||
| - 256G RAM | ||
| - disk cache: INTEL SSDSC2BB80 800G (IOPS is about 30000+, bandwidth is about 300 MiB) | ||
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| ## Configure | ||
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| ```yaml | ||
| fs.cto: true | ||
| fs.lookupCache.negativeTimeoutSec: 1 | ||
| fs.lookupCache.minUses: 3 | ||
| fuseClient.supportKVcache: true | ||
| client.loglevel: 0 | ||
| ``` | ||
| ## fio | ||
| ```bash | ||
| [global] | ||
| rw=randread | ||
| direct=1 | ||
| size=50G | ||
| iodepth=128 | ||
| ioengine=libaio | ||
| bsrange=4k-4k | ||
| ramp_time=10 | ||
| runtime=300 | ||
| group_reporting | ||
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| [disk01] | ||
| filename=/path/to/mountpoint/1.txt | ||
| ``` | ||
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| | fio | IOPS/bandwidth | avg-latency(ms) | clat 99.00th (ms) | clat 99.99th (ms) | | ||
| | :----: | :----: | :----: | :----: | :----: | | ||
| | numjobs=1 / size=50GB / 4k randwrite | 4243 | 0.23 | 0.176 | 2 | | ||
| | numjobs=1 / size=50GB / 4k randwrite | 908 | 1.0 | 3.5 | 104 | | ||
| | numjobs=1 / size=50GB / 512k write | 412 MiB/s | 2.4 | 19 | 566 | | ||
| | numjobs=1 / size=50GB / 512k read | 333 MiB/s | 2.9 | 20 | 115 | | ||
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| ## mdtest | ||
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| ```bash | ||
| for i in 1 4 8; do mpirun --allow-run-as-root -np $i mdtest -z 2 -b 3 -I 10000 -d /path/to/mountpoint; done | ||
| ``` | ||
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| | Case | Dir creation | Dir stat | Dir removal | File creation | File stat | File read | File removal | Tree creation | Tree removal | | ||
| | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | ||
| | client*1 | 341 | 395991 | 291 | 334 | 383844 | 3694 | 309 | 322 | 851 | | ||
| | client*4 | 385 | 123266 | 288 | 361 | 1515592 | 15056 | 310 | 363 | 16 | | ||
| | client*8 | 415 | 22138 | 314 | 400 | 2811416 | 20976 | 347 | 355 | 8 | |