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https://issues.apache.org/jira/browse/HDFS-15797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hongbing Wang resolved HDFS-15797.
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Resolution: Duplicate
> EC: reconstruction threads limit parameter does not take effect
> ---------------------------------------------------------------
>
> Key: HDFS-15797
> URL: https://issues.apache.org/jira/browse/HDFS-15797
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Hongbing Wang
> Assignee: Hongbing Wang
> Priority: Major
>
> -HDFS-12044- changed _SynchronousQueue_ in stripedReconstructionPool to
> unbounded _LinkedBlockingQueue_, which caused the _maximumPoolSize_ to be
> invalid. The parameter +dfs.datanode.ec.reconstruction.threads+ (defaults to
> 8) is therefore invalid. This parameter is misleading here, or we need to
> modify the code to make it effective.
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