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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2013/03/19 18:21:15 UTC
[jira] [Issue Comment Deleted] (HBASE-7435) BuiltInGzipDecompressor
is only released during full GC
[ https://issues.apache.org/jira/browse/HBASE-7435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lars Hofhansl updated HBASE-7435:
---------------------------------
Comment: was deleted
(was: With this patch TestHFileBlock takes up tp 2.2g of resident heap, whereas without this patch it takes only 700mb.)
> BuiltInGzipDecompressor is only released during full GC
> -------------------------------------------------------
>
> Key: HBASE-7435
> URL: https://issues.apache.org/jira/browse/HBASE-7435
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Fix For: 0.95.0, 0.94.4
>
> Attachments: 7435-0.94.txt, 7435-0.96.txt
>
>
> That seems to be bug in Hadoop, actually.
> BuiltInGzipDecompressor.end() needs to be called to release it's resource, but it is not called anywhere in CodecPool.
> Instead the end() is called by finalize(), which is only called during a full gc (or never, depending on JVM).
> This is only an issue in test. In real life most folks will have the native GzipDecompressor
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