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https://issues.apache.org/jira/browse/COMPRESS-343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197677#comment-15197677
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ASF GitHub Bot commented on COMPRESS-343:
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Github user garydgregory commented on the pull request:
https://github.com/apache/commons-compress/pull/11#issuecomment-197425393
Hi,
Thank you for the patch.
Do you have a unit test that show the problem and it being fixed by the
patch?
Gary
> Native Memory Leak in Sevenz-DeflateDecoder
> -------------------------------------------
>
> Key: COMPRESS-343
> URL: https://issues.apache.org/jira/browse/COMPRESS-343
> Project: Commons Compress
> Issue Type: Bug
> Components: Archivers
> Affects Versions: 1.10
> Reporter: Rene Preissel
> Attachments: COMPRESS-343.patch
>
>
> The class ...sevenz.Coders.DeflateDecoder does not close (end()) the Deflater
> and Inflater. This can lead to native memory issues: see
> https://bugs.openjdk.java.net/browse/JDK-8074108.
> In our case we create a zip archive with >100000 files. The Java heap is
> around 300MB (with 2GB max). The native memory is increasing to 8GB and
> above. Because the Java heap has no pressure - no GC is triggered, therefore
> the Deflaters are not collected and the native memory is not freed.
>
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