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https://issues.apache.org/jira/browse/HDFS-14367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena updated HDFS-14367:
--------------------------------
Fix Version/s: 3.1.5
3.4.0
3.3.1
3.2.2
Hadoop Flags: Reviewed
Resolution: Fixed
Status: Resolved (was: Patch Available)
> EC: Parameter maxPoolSize in striped reconstruct thread pool isn't affecting
> number of threads
> ----------------------------------------------------------------------------------------------
>
> Key: HDFS-14367
> URL: https://issues.apache.org/jira/browse/HDFS-14367
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ec
> Affects Versions: 3.3.0
> Reporter: Guo Lei
> Assignee: Guo Lei
> Priority: Major
> Fix For: 3.2.2, 3.3.1, 3.4.0, 3.1.5
>
> Attachments: HDFS-14367.001.patch
>
>
> The workQueue length wasn't specified, so the thread number never be increase.
> The thread number increase to maximumPoolSize only when the workQueue is full.
> file location:
> org/apache/hadoop/hdfs/server/datanode/erasurecode/ErasureCodingWorker.java
> private void initializeStripedBlkReconstructionThreadPool(int numThreads) {
> LOG.debug("Using striped block reconstruction; pool threads={}",
> numThreads);
> stripedReconstructionPool = DFSUtilClient.getThreadPoolExecutor(2,
> {color:#ff0000}numThreads{color}, 60, {color:#ff0000}new
> LinkedBlockingQueue<>(){color},
> "StripedBlockReconstruction-", false);
> stripedReconstructionPool.allowCoreThreadTimeOut(true);
> }
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