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From "Tomohito Nakayama (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-1535) Trial 2 for DERBY-550, improve use of Engine from NetworkServer and reduce memory usage
Date Fri, 21 Jul 2006 12:54:19 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1535?page=all ]

Tomohito Nakayama updated DERBY-1535:
-------------------------------------

    Attachment: DERBY-1513_1535_2.patch

Description of the patch:
   * Avoid expanding data into memory twice when NetworkServer receive binary stream.(see
DERBY-1513)
   * Modify how NetworkServer use Engine when received binary stream.(see DERBY-1535, this
issue)
      * Concerning to modification of way to use Engine, master file of DerbyNetClient/parameterMapping.java
was partly modified to be as same as that of Engine.

Test:
   * Execute derbyall and found no error.

> Trial 2 for DERBY-550, improve use of Engine from NetworkServer and reduce memory usage
> ---------------------------------------------------------------------------------------
>
>                 Key: DERBY-1535
>                 URL: http://issues.apache.org/jira/browse/DERBY-1535
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Network Server
>            Reporter: Tomohito Nakayama
>         Assigned To: Tomohito Nakayama
>         Attachments: DERBY-1513_1535.patch, DERBY-1513_1535_2.patch, DERBY-1535.patch,
serverMemoryUsage.xls, serverMemoryUsage_1513_1535.xls
>
>
> Through DERBY-1513, Trial 1 for DERBY-550, 
> it was suggested that NetworkServer seems to use Engine inefficiently and use too much
of memory.
> This task try to improve the use of Engine from NetworkServer and try to reduce memory
usage.

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