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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2019/06/20 10:59:00 UTC
[jira] [Resolved] (HADOOP-15658) Memory leak in S3AOutputStream
[ https://issues.apache.org/jira/browse/HADOOP-15658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran resolved HADOOP-15658.
-------------------------------------
Resolution: Fixed
Assignee: Steve Loughran
Fix Version/s: 3.3.0
> Memory leak in S3AOutputStream
> ------------------------------
>
> Key: HADOOP-15658
> URL: https://issues.apache.org/jira/browse/HADOOP-15658
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.8.4
> Reporter: Piotr Nowojski
> Assignee: Steve Loughran
> Priority: Major
> Fix For: 3.3.0
>
>
> S3AOutputStream by calling {{org.apache.hadoop.fs.s3a.S3AFileSystem#createTmpFileForWrite}} indirectly calls {{java.io.File#deleteOnExit}} and {{java.io.DeleteOnExitHook}} which are known for memory leaking:
>
> [https://bugs.java.com/view_bug.do?bug_id=6664633]
> [https://bugs.java.com/view_bug.do?bug_id=4872014]
>
> Apparently it was even fixed (same bug but in unrelated issue) for different component couple of years ago https://issues.apache.org/jira/browse/HADOOP-8635 .
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