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  1. Hadoop Common
  2. HADOOP-15620 Über-jira: S3A phase VI: Hadoop 3.3 features
  3. HADOOP-16570

S3A committers leak threads/raises OOM on job/task commit at scale

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.2.0, 3.1.2
    • Fix Version/s: 3.3.0
    • Component/s: fs/s3
    • Labels:
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      Description

      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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              • Assignee:
                stevel@apache.org Steve Loughran
                Reporter:
                stevel@apache.org Steve Loughran
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                • Created:
                  Updated:
                  Resolved: