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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DIRSERVER-1161) search results are not streamed to the client until final done response is queued
Date Wed, 18 Jun 2008 19:31:46 GMT

    [ https://issues.apache.org/jira/browse/DIRSERVER-1161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12606053#action_12606053
] 

Emmanuel Lecharny commented on DIRSERVER-1161:
----------------------------------------------

I take this on my plate. I have spent quite an good amount of time on MINA since Norval pointed
out the problem, in order to be able to get a grip on MINA.

> search results are not streamed to the client until final done response is queued
> ---------------------------------------------------------------------------------
>
>                 Key: DIRSERVER-1161
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1161
>             Project: Directory ApacheDS
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.0
>         Environment: JDK 1.5.0_11 
>            Reporter: Norval Hope
>            Assignee: Emmanuel Lecharny
>            Priority: Blocker
>             Fix For: 1.5.3
>
>         Attachments: apacheds_1.5.1_streaming.patch, apacheds_1.5.1_streaming.patch,
apacheds_1.5.1_streaming_log_output.txt, installers_1.5.1_streaming.patch, installers_1.5.1_streaming.patch,
mina_1.1.2_streaming.patch, mina_1.1_trunk_streaming.patch, pom.xml, streaming_log_output.txt,
streaming_logging.patch
>
>   Original Estimate: 120h
>  Remaining Estimate: 120h
>
> Search results accumulate in Events on the SessionBuffer.eventQueue within ExecutorFilter.fireEvent()
until final done response for the search is written to the session and then all results for
the search (possibly millions depending on the search and state of the directory) are written
out at once. This is a big problem for scalability and I gather from previous correspondence
with Alex that this behaviour is unexpected.

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