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From "Jayson Minard (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1155) Change DirectUpdateHandler2 to allow concurrent adds during an autocommit
Date Sat, 09 May 2009 14:26:45 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12707672#action_12707672
] 

Jayson Minard commented on SOLR-1155:
-------------------------------------

Things likely needing further work:

* serialize commits?  (two shouldn't happen at same time)
* optimize should us iwManageWriter lock from optimize through call-back call, so break it
away from commit which only needs iwUseWriter?)  This also takes care of the contract that
optimize callback is still on an optimized index.

> Change DirectUpdateHandler2 to allow concurrent adds during an autocommit
> -------------------------------------------------------------------------
>
>                 Key: SOLR-1155
>                 URL: https://issues.apache.org/jira/browse/SOLR-1155
>             Project: Solr
>          Issue Type: Improvement
>          Components: search
>    Affects Versions: 1.3
>            Reporter: Jayson Minard
>         Attachments: DirectUpdateHandler3.java, DirectUpdateHandler3.java, DirectUpdateHandler3.java,
DirectUpdateHandlerWithAutoCommit.java, SOLR-1155.patch
>
>
> Currently DirectUpdateHandler2 will block adds during a commit, and it seems to be possible
with recent changes to Lucene to allow them to run concurrently.  
> See: http://www.nabble.com/Autocommit-blocking-adds---AutoCommit-Speedup--td23435224.html

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