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From Ortwin Glück (JIRA) <j...@apache.org>
Subject [jira] Updated: (SANDBOX-166) Improve memory use
Date Wed, 09 Aug 2006 12:31:14 GMT
     [ http://issues.apache.org/jira/browse/SANDBOX-166?page=all ]

Ortwin Glück updated SANDBOX-166:
---------------------------------

    Attachment: patch.txt

This patch reduces the number of object allocations drastically.

> Improve memory use
> ------------------
>
>                 Key: SANDBOX-166
>                 URL: http://issues.apache.org/jira/browse/SANDBOX-166
>             Project: Commons Sandbox
>          Issue Type: Improvement
>          Components: CSV
>    Affects Versions: Nightly Builds
>            Reporter: Ortwin Glück
>         Attachments: patch.txt, profile.png
>
>
> The parser is currently a real memory burner. I fed it a 4MB CSV file and ran the TPTP
profiler.  As you can see the parser creates around 100MB of garbage whereas it could (in
really optimized) use around 4MBs.  Such figures are not acceptable within a server environment.
Please attach insights and patches to this issue report.

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