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https://issues.apache.org/jira/browse/HDFS-15373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17116276#comment-17116276
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Íñigo Goiri commented on HDFS-15373:
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OK, this is the from the ThreadPoolExecutor
[documentation|https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ThreadPoolExecutor.html#ThreadPoolExecutor(int,%20int,%20long,%20java.util.concurrent.TimeUnit,%20java.util.concurrent.BlockingQueue)]:
{quote}
corePoolSize - the number of threads to keep in the pool, even if they are
idle, unless allowCoreThreadTimeOut is set
{quote}
The API is a little weird to follow.
+1 on [^HDFS-15373-02.patch].
Do you mind improving the description too?
> Fix number of threads in IPCLoggerChannel#createParallelExecutor
> ----------------------------------------------------------------
>
> Key: HDFS-15373
> URL: https://issues.apache.org/jira/browse/HDFS-15373
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: HDFS-15373-01.patch, HDFS-15373-02.patch
>
>
> The number of threads in IPCLoggerChannel#createParallelExecutor is elastic
> right now, make it fixed.
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