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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-12366) Avoid SlowAtomicReader.getLiveDocs -- it's slow
Date Thu, 31 May 2018 15:04:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-12366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16496675#comment-16496675
] 

ASF subversion and git services commented on SOLR-12366:
--------------------------------------------------------

Commit d65f40f3852be74bf0fc5c17d8252c669ea325d8 in lucene-solr's branch refs/heads/branch_7x
from [~dsmiley]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=d65f40f ]

* SOLR-12366: A slow "live docs" implementation was being used instead of a bitset.
  Affects classic faceting enum method, JSON Facets enum method, UnInvertedField faceting,
GraphTermsQParser, JoinQParser.
  Renamed SolrIndexSearcher.getLiveDocs to getLiveDocSet.

(cherry picked from commit 1e63b32)


> Avoid SlowAtomicReader.getLiveDocs -- it's slow
> -----------------------------------------------
>
>                 Key: SOLR-12366
>                 URL: https://issues.apache.org/jira/browse/SOLR-12366
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: search
>            Reporter: David Smiley
>            Assignee: David Smiley
>            Priority: Major
>         Attachments: SOLR-12366.patch, SOLR-12366.patch, SOLR-12366.patch, SOLR-12366.patch
>
>
> SlowAtomicReader is of course slow, and it's getLiveDocs (based on MultiBits) is slow
as it uses a binary search for each lookup.  There are various places in Solr that use SolrIndexSearcher.getSlowAtomicReader
and then get the liveDocs.  Most of these places ought to work with SolrIndexSearcher's getLiveDocs
method.



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