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From "Emmanuel Lecharny (JIRA)" <directory-...@incubator.apache.org>
Subject [jira] Updated: (DIR-108) Server PDU are splitted in small chunks
Date Wed, 09 Mar 2005 00:22:52 GMT
     [ http://issues.apache.org/jira/browse/DIR-108?page=history ]

Emmanuel Lecharny updated DIR-108:
----------------------------------

    Attachment: Chunked.png
                Unchunked.png

I've done some tests based on the 0.9 Apache DS and the same version with the patch I've attached
in a previous comment. Here are both screenshot of the same JMeter run : the un-chunked version
has a 5 x times better througput than the original version (only one thread requestiong 1000
times the same thing...).

I agree with Alex and David. Rewritting the whole codec will certainly improve performance
a lot. Let's do it, and do it now ! I think that the encoding part is the most important one
as it's the one that send search results.

> Server PDU are splitted in small chunks
> ---------------------------------------
>
>          Key: DIR-108
>          URL: http://issues.apache.org/jira/browse/DIR-108
>      Project: Directory
>         Type: Improvement
>     Reporter: Emmanuel Lecharny
>     Priority: Minor
>  Attachments: Chunked.png, Unchunked.png, mina.diff
>
> PDU that are created by ApacheDS server are sent back in small chunk. A lot of IP packets
are necessary to reconstruct the LDAP message : typically, each TLV is sent as a TCP packet.

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