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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DIRSERVER-732) FilterParser initialized for each search
Date Tue, 20 Mar 2007 22:24:33 GMT

    [ https://issues.apache.org/jira/browse/DIRSERVER-732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12482566
] 

Emmanuel Lecharny commented on DIRSERVER-732:
---------------------------------------------

Just a heads up : what about decalring this filterParser as a static final member ? It should
do the trick. 

> FilterParser initialized for each search
> ----------------------------------------
>
>                 Key: DIRSERVER-732
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-732
>             Project: Directory ApacheDS
>          Issue Type: Improvement
>            Reporter: Emmanuel Lecharny
>            Priority: Minor
>             Fix For: 1.5.1
>
>
> The FilterParserImpl is initialized ecery time we do a search, when it should only be
initialized once, and be synchronized if we use it. The cost of this initialization, even
if not important, represent around 1% of all the CPU.
> Another point I would raise is : do we need to parse filters on the server ? At first
glance, it seems that its usage is only necessary when dealing with persistent searches, but
even then, the received request is supposed to contains a preparsed form of the filter, which
is stored in a Filter structure. I may be wrong, as I didn't have look at the code very thouroughly,
but it seems strange to me ...

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