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https://issues.apache.org/jira/browse/HADOOP-11812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14490432#comment-14490432
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Gera Shegalov commented on HADOOP-11812:
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Hi [~cnauroth], thanks for looking into the patch. I have verified the patch to
get rid of getFileBlockLocations on our production cluster. However, I agree a
unit test to check that the non-default listLocatedFileStatus is called makes
sense.
> Implement listLocatedStatus for ViewFileSystem to speed up split calculation
> ----------------------------------------------------------------------------
>
> Key: HADOOP-11812
> URL: https://issues.apache.org/jira/browse/HADOOP-11812
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 2.7.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Priority: Blocker
> Labels: performance
> Attachments: HADOOP-11812.001.patch, HADOOP-11812.002.patch,
> HADOOP-11812.003.patch, HADOOP-11812.004.patch
>
>
> ViewFileSystem is currently not taking advantage of MAPREDUCE-1981. This
> causes several x of RPC overhead and added latency.
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