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From "Norval Hope (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DIRSERVER-1161) search results are not streamed to the client until final done response is queued
Date Thu, 10 Apr 2008 13:56:07 GMT

     [ https://issues.apache.org/jira/browse/DIRSERVER-1161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Norval Hope updated DIRSERVER-1161:
-----------------------------------

    Attachment: mina_1.1.2_streaming.patch
                installers_1.5.1_streaming.patch
                apacheds_1.5.1_streaming.patch

Unfortunately the problem persists against the 1.5.1 tagged release too, the attached files
are patches to the top-level component after which they are named, with my source tree as
follows:

<top>/
   apacheds/ (checked out from http://svn.apache.org/repos/asf/directory/apacheds/releases/1.5.1)
   installers/ (checked out from  http://svn.apache.org/repos/asf/directory/installers/releases/1.5.1)
   mina/ (checked out from http://svn.apache.org/repos/asf/mina/tags/1.1.2)

I'll include the top-level POM I used (cut-down version of the on one from the trunk) and
sample logging output in next attachments.

> 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
>         Attachments: apacheds_1.5.1_streaming.patch, installers_1.5.1_streaming.patch,
mina_1.1.2_streaming.patch, 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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