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https://issues.apache.org/jira/browse/DIRAPI-7?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12860650#action_12860650
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Sumit Goyal commented on DIRAPI-7:
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I believe the culprit behind the time difference is the logging output and the
processing wasted in it . Lot of logs with text below are printed while
performing our test.
2010-04-24 21:23:16 Asn1Decoder [WARN] The PDU has been fully decoded but there
are still bytes in the buffer.
2010-04-24 21:23:16 Asn1Decoder [WARN] The PDU has been fully decoded but there
are still bytes in the buffer.
I ran your tests on my machine with logging disabled in log4j.properties; and
the results were comparable for both the tests. Will debug further to see why
these logging statements are coming and if we can do something about them.
I hope the information above was not redundant :(
> Low performance on search operation compared to JNDI (around 5 times slower)
> ----------------------------------------------------------------------------
>
> Key: DIRAPI-7
> URL: https://issues.apache.org/jira/browse/DIRAPI-7
> Project: Directory client API
> Issue Type: Bug
> Reporter: Pierre-Arnaud Marcelot
> Priority: Critical
> Fix For: 0.2.0
>
> Attachments: base.ldif, TestWithClientApi.java, TestWithJndi.java
>
>
> While playing with the Client API, I compared the performance of the same
> search to JNDI.
> With current code, the Client API is unfortunately 5 times slower.
> My test is pretty simple, I'm searching with a Subtree scope on
> 'dc=example,dc=com' partition which holds 10 000 users.
> Here are the results:
> - JNDI:
> Time to create the connection: 90
> Time to perform the search: 4195
> Time to close the connection: 1
> Total time: 4286
> -Client API:
> Time to create the connection: 399
> Time to perform the search: 23417
> Time to close the connection: 33
> Total time: 23849
> Time is expressed as milliseconds.
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