[jira] [Commented] (LUCENE-9504) DocumentsWriterDeleteQueue.forceApplyGlobalSlice has needless locking

2020-09-08 Thread ASF subversion and git services (Jira)


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https://issues.apache.org/jira/browse/LUCENE-9504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192268#comment-17192268
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ASF subversion and git services commented on LUCENE-9504:
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Commit 4c5c8c4ead74c92b6ab0ec55bca709d36ad152d9 in lucene-solr's branch 
refs/heads/master from Mike Drob
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=4c5c8c4 ]

LUCENE-9504 Remove extra lock in DocumentsWriterDeleteQueue (#1826)



> DocumentsWriterDeleteQueue.forceApplyGlobalSlice has needless locking
> -
>
> Key: LUCENE-9504
> URL: https://issues.apache.org/jira/browse/LUCENE-9504
> Project: Lucene - Core
>  Issue Type: Improvement
>  Components: core/index
>Reporter: Mike Drob
>Assignee: Mike Drob
>Priority: Minor
>  Time Spent: 20m
>  Remaining Estimate: 0h
>
> {{DocumentsWriterDeleteQueue.forceApplyGlobalSlice}} is only called from 
> {{getBufferedUpdateTermsSize}} so we end up doing double the locking. It's 
> not a huge problem because re-entrant locks are cheap, but we can probably 
> unwrap the methods a little bit here.
> This may impact HotSpot inlining, I haven't tried measuring that yet. If that 
> is a concern, please let me know.



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[jira] [Commented] (LUCENE-9504) DocumentsWriterDeleteQueue.forceApplyGlobalSlice has needless locking

2020-09-07 Thread Simon Willnauer (Jira)


[ 
https://issues.apache.org/jira/browse/LUCENE-9504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17191579#comment-17191579
 ] 

Simon Willnauer commented on LUCENE-9504:
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there is no need for measuring impact. This is a leftover I think. It's only 
used in tests anyway.

> DocumentsWriterDeleteQueue.forceApplyGlobalSlice has needless locking
> -
>
> Key: LUCENE-9504
> URL: https://issues.apache.org/jira/browse/LUCENE-9504
> Project: Lucene - Core
>  Issue Type: Improvement
>  Components: core/index
>Reporter: Mike Drob
>Assignee: Mike Drob
>Priority: Minor
>  Time Spent: 10m
>  Remaining Estimate: 0h
>
> {{DocumentsWriterDeleteQueue.forceApplyGlobalSlice}} is only called from 
> {{getBufferedUpdateTermsSize}} so we end up doing double the locking. It's 
> not a huge problem because re-entrant locks are cheap, but we can probably 
> unwrap the methods a little bit here.
> This may impact HotSpot inlining, I haven't tried measuring that yet. If that 
> is a concern, please let me know.



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