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From "Christian Grobmeier (JIRA)" <>
Subject [jira] Updated: (SANDBOX-248) ZipOutputStream is slow when compressing big files
Date Mon, 12 Jan 2009 05:54:59 GMT


Christian Grobmeier updated SANDBOX-248:

    Attachment: patch-zip-update.txt

Stefan, you are right.
I have updated BZip of course, not Zip. It's quite hard with all these patches around me currently

However, attached is the patch file which updates compress to the current ZIP implementation
of Ant. Thanks for shouting!

> ZipOutputStream is slow when compressing big files
> --------------------------------------------------
>                 Key: SANDBOX-248
>                 URL:
>             Project: Commons Sandbox
>          Issue Type: Improvement
>          Components: Compress
>            Reporter: Stefan Bodewig
>         Attachments: patch-zip-update.txt
> This has been reported against Ant's version, the grandfather of commons-compress.  See
> Splitting up the array passed into Deflater.setInput improves the performance dramatically.
 Ant's change is

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