[jira] [Commented] (SOLR-15555) Use filterCache.computeIfAbsent in SolrIndexSearcher

["Mikhail Khludnev (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-15555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17703570#comment-17703570 ] 

Mikhail Khludnev commented on SOLR-15555:
-----------------------------------------

The question risen in scope of SOLR-16707: can't we pin async=true forever, and remove synchronous option at all? 

> Use filterCache.computeIfAbsent in SolrIndexSearcher
> ----------------------------------------------------
>
>                 Key: SOLR-15555
>                 URL: https://issues.apache.org/jira/browse/SOLR-15555
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Mike Drob
>            Assignee: Mike Drob
>            Priority: Major
>             Fix For: 9.0, 8.10
>
>         Attachments: OUTPUT-org.apache.solr.search.TestRangeQuery.txt.gz, SOLR-15555.test-fix.patch
>
>          Time Spent: 5h 40m
>  Remaining Estimate: 0h
>
> When multiple concurrent queries come in at the same time, in several cases they can trigger concurrent computations of a DocSet for the cache. We should investigate where this happens and possibly take care to only do a single computation when possible.



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