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https://issues.apache.org/jira/browse/SOLR-6820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14234189#comment-14234189
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Mark Miller commented on SOLR-6820:
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In my simple testing for SOLR-6816, I can see that raising the number of
buckets to 1024 from 256 seems to do nothing, but raising it to 65536 seem to
give performance similar to removing the sync entirely.
We should probably make the number of buckets configurable, consider our
default, and review the hashing that is going on.
> 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
>
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