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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9171) Release resources of unpoolable Decompressors
Date Sun, 13 Jan 2013 23:04:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13552347#comment-13552347
] 

Andrew Purtell commented on HADOOP-9171:
----------------------------------------

Calling end() potentially more than once on a zlib compressor or decompressor is safe. For
Snappy and LZ4 it's a no-op. The dummy decompressor for BZIP2 will throw an UnsupportedOperationException.
Catch that just in case?
                
> Release resources of unpoolable Decompressors
> ---------------------------------------------
>
>                 Key: HADOOP-9171
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9171
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: HDFS-4345.txt
>
>
> Found this when looking into HBASE-7435.
> When a Decompressor is returned to the pool in CodecPool.java, we should probably call
end() on it to release its resources.

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