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https://issues.apache.org/jira/browse/SOLR-13350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17735961#comment-17735961
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Ishan Chattopadhyaya commented on SOLR-13350:
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Thanks Mark!
bq. If each thread is working on an index segment wouldn't it make sense to
collect segment level bitsets? This would eliminate the need for thread safe
bitset.
I thought about it. Doing it naïvely might end up requiring a lot of memory
this way. But, it should be possible to do so efficiently (each segment level
bitset being as large as the range of docs it holds, then merging them properly
at the end). Thanks for the clue.
> 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: Major
> Attachments: SOLR-13350.patch, SOLR-13350.patch, SOLR-13350.patch
>
> Time Spent: 3h
> 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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