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https://issues.apache.org/jira/browse/SOLR-5714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13918999#comment-13918999
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ASF subversion and git services commented on SOLR-5714:
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Commit 1573849 from [[email protected]] in branch 'dev/branches/branch_4x'
[ https://svn.apache.org/r1573849 ]
SOLR-5714: You can now use one pool of memory for for the HDFS block cache that
all collections share.
> You should be able to use one pool of memory for multiple collection's HDFS
> block caches.
> -----------------------------------------------------------------------------------------
>
> Key: SOLR-5714
> URL: https://issues.apache.org/jira/browse/SOLR-5714
> Project: Solr
> Issue Type: Improvement
> Reporter: Mark Miller
> Assignee: Mark Miller
> Fix For: 4.8, 5.0
>
> Attachments: SOLR-5714.patch, SOLR-5714.patch, SOLR-5714.patch,
> SOLR-5714.patch
>
>
> Currently, you have to specify how much direct memory to allocate per
> SolrCore. This can be inefficient, and has some negative consequences - for
> instance, when replicating, many times two HDFS directories will exist for
> the same index briefly, which will double the RAM used for that SolrCore.
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