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https://issues.apache.org/jira/browse/SOLR-8856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15221759#comment-15221759
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ASF subversion and git services commented on SOLR-8856:
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Commit 461c9b4fef5c173c96ac2aa68daa87ef2bed2c16 in lucene-solr's branch
refs/heads/branch_6x from markrmiller
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=461c9b4 ]
SOLR-8856: Do not cache merge or 'read once' contexts in the hdfs block cache.
> Do not cache merge or 'read once' contexts in the hdfs block cache.
> -------------------------------------------------------------------
>
> Key: SOLR-8856
> URL: https://issues.apache.org/jira/browse/SOLR-8856
> Project: Solr
> Issue Type: Improvement
> Reporter: Mark Miller
> Assignee: Mark Miller
> Attachments: SOLR-8856.patch, SOLR-8856.patch, SOLR-8856.patch
>
>
> Generally the block cache will not be large enough to contain the whole index
> and merges can thrash the cache for queries. Even if we still look in the
> cache, we should not populate it.
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