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https://issues.apache.org/jira/browse/SOLR-12312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16466326#comment-16466326
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ASF subversion and git services commented on SOLR-12312:
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Commit 93f9cc71b127b84c432bf40e115fd4afe689bd8a in lucene-solr's branch
refs/heads/branch_7x from [~dsmiley]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=93f9cc7 ]
SOLR-12312: Replication's IndexFetcher buf size should be initialized
to an amount no greater than the size of the file being transferred.
(cherry picked from commit 81f6112)
> Replication's IndexFetcher buf size can be initialized smarter to not waste
> RAM/GC
> ----------------------------------------------------------------------------------
>
> Key: SOLR-12312
> URL: https://issues.apache.org/jira/browse/SOLR-12312
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: replication (java)
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Minor
> Time Spent: 40m
> Remaining Estimate: 0h
>
> IndexFetcher's constructor knows the size of the file it's going to transfer.
> As-such, it ought to initialize the "buf" field to no larger than this size.
> This has been shown to waste Java heap/GC in an environment with lots of
> cores of small indexes and thus small files.
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