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https://issues.apache.org/jira/browse/COMPRESS-172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Mair updated COMPRESS-172:
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Attachment: tarbuffer.patch
> Reuse of buffers while reading stream and skipping stream
> ---------------------------------------------------------
>
> Key: COMPRESS-172
> URL: https://issues.apache.org/jira/browse/COMPRESS-172
> Project: Commons Compress
> Issue Type: Improvement
> Components: Archivers
> Affects Versions: 1.3
> Reporter: Thomas Mair
> Priority: Minor
> Labels: patch
> Attachments: tarbuffer.patch
>
> Original Estimate: 10m
> Remaining Estimate: 10m
>
> When reading a tar archive from a stream for each record a new buffer is
> allocated. This will cause many new objects that later get collected by the
> garbage collector. The same issue exists when we are skipping entries.
> Instead of allocating new buffers we could reuse one single buffer. This
> saves some GC overhead as well as the time needed to allocate new memory. I
> created a small patch fixing this issue. I did not test this patch
> thoughtfully, but it should not cause any trouble, as the buffers never leave
> their respective classes.
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