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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DIRSERVER-629) Improve performance for search requests
Date Thu, 01 Jun 2006 18:00:30 GMT
     [ http://issues.apache.org/jira/browse/DIRSERVER-629?page=all ]

Emmanuel Lecharny updated DIRSERVER-629:
----------------------------------------

    Attachment: apacheds-SEARCH.log

A log in DEBUG mode for a simple search

> Improve performance for search requests
> ---------------------------------------
>
>          Key: DIRSERVER-629
>          URL: http://issues.apache.org/jira/browse/DIRSERVER-629
>      Project: Directory ApacheDS
>         Type: Improvement

>     Versions: 1.0-RC3
>     Reporter: Emmanuel Lecharny
>     Priority: Critical
>      Fix For: 1.0-RC4
>  Attachments: apacheds-SEARCH.log
>
> Search requests are pathological long when the server is loaded with entries. I have
a server with 10000 entries, and I do a search for a random user. It takes around 50 ms to
find the user (20 searches per second, maximum).
> This is due to the fact that, when we have a lot of entries, the search look for entries
which DN are all parsed (cf attached log). The parser is synchronized and takes around 0,5
ms to parse a DN, and the entries to be parse are 100 (cf attached log again), so the 50 ms
are spent parsing, parsing and parsing ...

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