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https://issues.apache.org/jira/browse/HADOOP-16570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-16570.
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Fix Version/s: 3.3.0
Resolution: Fixed
done. I do have a backlog of things to go to 3.2 and 3.1, this should be on it.
Most people won't hit the job commit problem, but thread pool leaks -inevitably
> S3A committers leak threads/raises OOM on job/task commit at scale
> ------------------------------------------------------------------
>
> Key: HADOOP-16570
> URL: https://issues.apache.org/jira/browse/HADOOP-16570
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.2.0, 3.1.2
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Fix For: 3.3.0
>
>
> The fixed size ThreadPool created in AbstractS3ACommitter doesn't get cleaned
> up at EOL; as a result you leak the no. of threads set in
> "fs.s3a.committer.threads"
> Not visible in MR/distcp jobs, but ultimately causes OOM on Spark
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