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https://issues.apache.org/jira/browse/SOLR-18552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Smiley updated SOLR-18552:
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Fix Version/s: 9.12
> Solr 9: set MMapDirectory.sharedArenaMaxPermits=64
> --------------------------------------------------
>
> Key: SOLR-18552
> URL: https://issues.apache.org/jira/browse/SOLR-18552
> Project: Solr
> Issue Type: Improvement
> Reporter: David Smiley
> Priority: Blocker
> Fix For: 9.12
>
>
> In Solr 9, I suggest we set
> org.apache.lucene.store.MMapDirectory.sharedArenaMaxPermits=64 in bin/solr.
> On the 9x line, the default is 1024 but current wisdom is that 64 is a better
> default (true for Lucene 10.x).
> _note: using priority "Blocker" to ensure we don't forget_
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