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https://issues.apache.org/jira/browse/HBASE-5387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihong Yu reassigned HBASE-5387:
---------------------------------

    Assignee: Mikhail Bautin
    
> Reuse compression streams in HFileBlock.Writer
> ----------------------------------------------
>
>                 Key: HBASE-5387
>                 URL: https://issues.apache.org/jira/browse/HBASE-5387
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>         Attachments: Fix-deflater-leak-2012-02-10_18_48_45.patch
>
>
> We need to to reuse compression streams in HFileBlock.Writer instead of 
> allocating them every time. The motivation is that when using Java's built-in 
> implementation of Gzip, we allocate a new GZIPOutputStream object and an 
> associated native data structure any time. This is one suspected cause of 
> recent TestHFileBlock failures on Hadoop QA: 
> https://builds.apache.org/job/HBase-TRUNK/2658/testReport/org.apache.hadoop.hbase.io.hfile/TestHFileBlock/testPreviousOffset_1_/.

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