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https://issues.apache.org/jira/browse/HDFS-12152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rakesh R updated HDFS-12152:
----------------------------
Attachment: HDFS-12152-HDFS-10285-02.patch
> [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
> Components: datanode, namenode
> Reporter: Rakesh R
> Assignee: Rakesh R
> Priority: Minor
> Attachments: HDFS-12152-HDFS-10285-01.patch,
> HDFS-12152-HDFS-10285-02.patch
>
>
> 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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