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Posted to common-dev@hadoop.apache.org by "Piotr Nowojski (JIRA)" <ji...@apache.org> on 2018/08/09 12:02:00 UTC

[jira] [Created] (HADOOP-15658) Memory leak in S3AOutputStream

Piotr Nowojski created HADOOP-15658:
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             Summary: Memory leak in S3AOutputStream
                 Key: HADOOP-15658
                 URL: https://issues.apache.org/jira/browse/HADOOP-15658
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs/s3
    Affects Versions: 2.8.4
            Reporter: Piotr Nowojski


S3AOutputStream by calling {{org.apache.hadoop.fs.s3a.S3AFileSystem#createTmpFileForWrite}} indirectly calls {{java.io.File#deleteOnExit}} which is 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 for different component couple of years ago https://issues.apache.org/jira/browse/HADOOP-8635 . 



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