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