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Posted to common-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2017/05/08 13:55:04 UTC
[jira] [Commented] (HADOOP-14392) Memory leak issue in Zlib
compressor
[ https://issues.apache.org/jira/browse/HADOOP-14392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16000757#comment-16000757 ]
Jason Lowe commented on HADOOP-14392:
-------------------------------------
This looks closely related to HADOOP-14376.
> 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: 2.6.0, 3.0.0-alpha1, 3.0.0-alpha2
> 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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