Rakesh R created HDFS-12152:
-------------------------------
Summary: [SPS]: Re-arrange StoragePolicySatisfyWorker stopping
sequence to improve thread cleanup time
Key: HDFS-12152
URL: https://issues.apache.org/jira/browse/HDFS-12152
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Rakesh R
Assignee: Rakesh R
This jira to improve the StoragePolicySatisfyWorker#stop sequence of steps to
improve the thread interruption and graceful shutdown quickly.
I have observed that
[TestDataNodeUUID#testUUIDRegeneration|https://builds.apache.org/job/PreCommit-HDFS-Build/20271/testReport/org.apache.hadoop.hdfs.server.datanode/TestDataNodeUUID/testUUIDRegeneration/]
test case is getting timed out frequently. When analyzing, it looks like the
below function is always taking 3 secs waiting period. Probably, we could
improve the thread interruption sequence so that the thread should finish #run
method quickly.
{code}
StoragePolicySatisfyWorker.java
void waitToFinishWorkerThread() {
try {
movementTrackerThread.join(3000);
} catch (InterruptedException ignore) {
// ignore
}
}
{code}
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