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From "Noble Paul (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-1352) DIH: MultiThreaded
Date Fri, 13 Nov 2009 09:58:39 GMT

     [ https://issues.apache.org/jira/browse/SOLR-1352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Noble Paul updated SOLR-1352:
-----------------------------

    Attachment: SOLR-1352.patch

first cut an ugly patch. a lot of work left before putting it in

> DIH: MultiThreaded
> ------------------
>
>                 Key: SOLR-1352
>                 URL: https://issues.apache.org/jira/browse/SOLR-1352
>             Project: Solr
>          Issue Type: Improvement
>          Components: contrib - DataImportHandler
>            Reporter: Noble Paul
>            Assignee: Noble Paul
>             Fix For: 1.5
>
>         Attachments: SOLR-1352.patch
>
>
> It has been a long pending request to make DIH multithreaded. Now that we have implemented
most of the features , the next best thing we can aim for is performance. DIH should be able
to take advantage of multiple cores in a box .I expect the configuration to be as follows
> {code:xml}
> <entity name="foo" numThreads="4">
> <!--more stuff goes here-->
> </entity>
> {code}
> at the entity where the numThreads is specified it should fork into multiple threads.
If the numThreads<2 it executes w/o forking. In debug mode it automatically becomes singlethreaded.

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