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https://issues.apache.org/jira/browse/SOLR-13350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17860043#comment-17860043
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Ishan Chattopadhyaya commented on SOLR-13350:
---------------------------------------------

> https://github.com/apache/solr/pull/2508 opened to explore replacing the 
> cached with a fixed threadpool.

Thanks [~cpoerschke]! This seems definitely faster than using cached 
threadpools. I'm benchmarking more thoroughly at the moment.
I've marked this issue as a release blocker, as we shouldn't have a release in 
this state (without your patch, and potentially other fixes on top of that).

> 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
>         Attachments: SOLR-13350-pre-PR-2508.patch, SOLR-13350.patch, 
> SOLR-13350.patch, SOLR-13350.patch
>
>          Time Spent: 12h 10m
>  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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