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[GLUTEN-8072][VL] Add close method to close the hdfs connection #10593

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Merged
JkSelf merged 2 commits into from
Sep 22, 2025
Merged

[GLUTEN-8072][VL] Add close method to close the hdfs connection #10593

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e03d0b7
Call HdfsFileSystem#close() method to close the hdfs connection prior…
JkSelf Sep 22, 2025
907fdd5
Fix the compile issue
JkSelf Sep 22, 2025
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24 changes: 24 additions & 0 deletions cpp/velox/compute/VeloxBackend.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -331,4 +331,28 @@ VeloxBackend* VeloxBackend::get() {
}
return instance_.get();
}

void VeloxBackend::tearDown() {
for (const auto& [_, filesystem] : facebook::velox::filesystems::registeredFilesystems) {
filesystem->close();
}
// Destruct IOThreadPoolExecutor will join all threads.
// On threads exit, thread local variables can be constructed with referencing global variables.
// So, we need to destruct IOThreadPoolExecutor and stop the threads before global variables get destructed.
ioExecutor_.reset();
globalMemoryManager_.reset();

// dump cache stats on exit if enabled
if (dynamic_cast<facebook::velox::cache::AsyncDataCache*>(asyncDataCache_.get())) {
LOG(INFO) << asyncDataCache_->toString();
for (const auto& entry : std::filesystem::directory_iterator(cachePathPrefix_)) {
if (entry.path().filename().string().find(cacheFilePrefix_) != std::string::npos) {
LOG(INFO) << "Removing cache file " << entry.path().filename().string();
std::filesystem::remove(cachePathPrefix_ + "/" + entry.path().filename().string());
}
}
asyncDataCache_->shutdown();
}
}

} // namespace gluten
20 changes: 1 addition & 19 deletions cpp/velox/compute/VeloxBackend.h
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Expand Up @@ -56,25 +56,7 @@ class VeloxBackend {
return globalMemoryManager_.get();
}

void tearDown() {
// Destruct IOThreadPoolExecutor will join all threads.
// On threads exit, thread local variables can be constructed with referencing global variables.
// So, we need to destruct IOThreadPoolExecutor and stop the threads before global variables get destructed.
ioExecutor_.reset();
globalMemoryManager_.reset();

// dump cache stats on exit if enabled
if (dynamic_cast<facebook::velox::cache::AsyncDataCache*>(asyncDataCache_.get())) {
LOG(INFO) << asyncDataCache_->toString();
for (const auto& entry : std::filesystem::directory_iterator(cachePathPrefix_)) {
if (entry.path().filename().string().find(cacheFilePrefix_) != std::string::npos) {
LOG(INFO) << "Removing cache file " << entry.path().filename().string();
std::filesystem::remove(cachePathPrefix_ + "/" + entry.path().filename().string());
}
}
asyncDataCache_->shutdown();
}
}
void tearDown();

private:
explicit VeloxBackend(
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