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https://issues.apache.org/jira/browse/HADOOP-6754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12865077#action_12865077
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Hong Tang commented on HADOOP-6754:
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DefaultCodec.createOutputStream(OutputStream out) would be useful when you do
not use native compression library. Otherwise, a direct buffer would be created
and leaked. The problem with direct buffer is that it is not accounted under
garbage collection and thus you may exhaust the memory yet does not trigger gc.
> DefaultCodec.createOutputStream() leaks memory
> ----------------------------------------------
>
> Key: HADOOP-6754
> URL: https://issues.apache.org/jira/browse/HADOOP-6754
> Project: Hadoop Common
> Issue Type: Bug
> Components: io
> Reporter: Aaron Kimball
> Attachments: CompressionBug.java
>
>
> DefaultCodec.createOutputStream() creates a new Compressor instance in each
> OutputStream. Even if the OutputStream is closed, this leaks memory.
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