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Date: Wed, 23 Nov 2005 09:16:36 +0100 (CET)
From: "Gao Yong Pan (JIRA)" <dev@geronimo.apache.org>
To: dev@geronimo.apache.org
Subject: [jira] Updated: (GERONIMO-1223) Hot Deploy performance improvement
 Just check directories -patch available
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     [ http://issues.apache.org/jira/browse/GERONIMO-1223?page=all ]

Gao Yong Pan updated GERONIMO-1223:
-----------------------------------

    Attachment: DirectoryMonitor.java.patch

> Hot Deploy performance improvement Just check directories -patch available
> --------------------------------------------------------------------------
>
>          Key: GERONIMO-1223
>          URL: http://issues.apache.org/jira/browse/GERONIMO-1223
>      Project: Geronimo
>         Type: Improvement
>   Components: deployment
>     Versions: 1.0
>  Environment: linux or windows
>     Reporter: Gao Yong Pan
>  Attachments: DirectoryMonitor.java.patch
>
> The method getLastModifiedInDir in the hot-deploy/src/java/org/apache/geronimo/deployment/hot/DirectoryMonitor.java is using the algorithm by calculating highest modified time of any files or directories, this could be improved.
> In fact, we only need to check every directory is enough, because any changes, for example, add, remove, edit any files in a directory, the change can be reflected by its parent directory's modification time, so  we don't need to check files.
> I also write a patch for the issue. A simple performance testing shows that the patch will improve 58% of the performance.

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