[ 
https://issues.apache.org/jira/browse/SOLR-6820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14552421#comment-14552421
 ] 

ASF subversion and git services commented on SOLR-6820:
-------------------------------------------------------

Commit 1680586 from [~thelabdude] in branch 'dev/trunk'
[ https://svn.apache.org/r1680586 ]

SOLR-6820: Make the number of version buckets used by the UpdateLog 
configurable as increasing beyond the default 256 has been shown to help with 
high volume indexing performance in SolrCloud

> The sync on the VersionInfo bucket in DistributedUpdateProcesser#addDocument 
> appears to be a large bottleneck when using replication.
> -------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-6820
>                 URL: https://issues.apache.org/jira/browse/SOLR-6820
>             Project: Solr
>          Issue Type: Sub-task
>          Components: SolrCloud
>            Reporter: Mark Miller
>            Assignee: Timothy Potter
>         Attachments: SOLR-6820.patch, threads.png
>
>




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