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Posted to common-dev@hadoop.apache.org by "Jimmy Ouyang (JIRA)" <ji...@apache.org> on 2017/05/06 04:16:04 UTC

[jira] [Created] (HADOOP-14392) Memory leak issue in Zlib compressor

Jimmy Ouyang created HADOOP-14392:
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             Summary: Memory leak issue in Zlib compressor
                 Key: HADOOP-14392
                 URL: https://issues.apache.org/jira/browse/HADOOP-14392
             Project: Hadoop Common
          Issue Type: Bug
          Components: common
    Affects Versions: 3.0.0-alpha2, 3.0.0-alpha1, 2.6.0
            Reporter: Jimmy Ouyang
            Priority: Critical


While using Hadoop-2.6.0 and Hadoop-3.0, we noticed in hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/CompressorStream.java, there is memory leak due to missing calls to compressor.end() in function close(). compressor.end() function calls zlib native function deflateEnd(), in which zlib buffers are freed.



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