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https://issues.apache.org/jira/browse/HADOOP-18455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17606178#comment-17606178
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ASF GitHub Bot commented on HADOOP-18455:
-----------------------------------------
virajjasani commented on PR #4879:
URL: https://github.com/apache/hadoop/pull/4879#issuecomment-1250135190
> Inconsistent synchronization of
org.apache.hadoop.fs.s3a.S3AFileSystem.futurePool; locked 60% of time
Unsynchronized access at S3AFileSystem.java:60% of time Unsynchronized access
at S3AFileSystem.java:[line 782]
This would be the case for other thread pools also that are shutdown as part
of the filesystem close.
> s3a prefetching Executor should be closed
> -----------------------------------------
>
> Key: HADOOP-18455
> URL: https://issues.apache.org/jira/browse/HADOOP-18455
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
>
> This is the follow-up work for HADOOP-18186. The new executor service we use
> for s3a prefetching should be closed while shutting down the file system.
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