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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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Guo Lei updated HDFS-14367:
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Description:
The thread number increase to maximumPoolSize only when the workQueue is full.
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,
numThreads, 60, new LinkedBlockingQueue<>(),
"StripedBlockReconstruction-", false);
stripedReconstructionPool.allowCoreThreadTimeOut(true);
}
was:The thread number increase to maximumPoolSize only when the workQueue is
full.
> Useless parameter maxPoolSize in striped reconstruct thread pool
> ----------------------------------------------------------------
>
> 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
> Priority: Major
>
> The thread number increase to maximumPoolSize only when the workQueue is full.
> 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,
> numThreads, 60, new LinkedBlockingQueue<>(),
> "StripedBlockReconstruction-", false);
> stripedReconstructionPool.allowCoreThreadTimeOut(true);
> }
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