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https://issues.apache.org/jira/browse/SOLR-13350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17889321#comment-17889321
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ASF subversion and git services commented on SOLR-13350:
--------------------------------------------------------
Commit 8d07c7321ce2a789291e139b26898500fc2b9cac in solr's branch
refs/heads/branch_9x from David Smiley
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=8d07c7321ce ]
SOLR-17414: multiThreaded search: don't throw RejectedExecutionException (#2701)
When searching with multiThreaded=true, the internal tasks may now block
instead of enqueuing with a risk of rejection. Solr will use less resources
under stress but to get the most of your machine, you may want to increase the
thread pool.
And:
* Revert ExecutorUtil change from SOLR-17298
* Revert ExecutorUtil change from SOLR-13350
* rename CoreContainer.collectorManager to indexSearcherExecutor
(cherry picked from commit 7405bb19fa424ec79c6daaafd986670dc54d7dfe)
> Explore collector managers for multi-threaded search
> ----------------------------------------------------
>
> Key: SOLR-13350
> URL: https://issues.apache.org/jira/browse/SOLR-13350
> Project: Solr
> Issue Type: New Feature
> Reporter: Ishan Chattopadhyaya
> Assignee: Ishan Chattopadhyaya
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 9.7
>
> Attachments: SOLR-13350-disable-multithreading-by-default.patch,
> SOLR-13350-pre-PR-2508.patch, SOLR-13350.patch, SOLR-13350.patch,
> SOLR-13350.patch
>
> Time Spent: 20.5h
> Remaining Estimate: 0h
>
> AFAICT, SolrIndexSearcher can be used only to search all the segments of an
> index in series. However, using CollectorManagers, segments can be searched
> concurrently and result in reduced latency. Opening this issue to explore the
> effectiveness of using CollectorManagers in SolrIndexSearcher from latency
> and throughput perspective.
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