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Posted to hdfs-issues@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2018/04/01 04:45:00 UTC
[jira] [Commented] (HDFS-12459) Fix revert: Add new op
GETFILEBLOCKLOCATIONS to WebHDFS REST API
[ https://issues.apache.org/jira/browse/HDFS-12459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16421576#comment-16421576 ]
Weiwei Yang commented on HDFS-12459:
------------------------------------
Fixed javac issue in v8 patch, I don't think UT failures are related. Posed v8 patch.
> Fix revert: Add new op GETFILEBLOCKLOCATIONS to WebHDFS REST API
> ----------------------------------------------------------------
>
> Key: HDFS-12459
> URL: https://issues.apache.org/jira/browse/HDFS-12459
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Major
> Attachments: HDFS-12459.001.patch, HDFS-12459.002.patch, HDFS-12459.003.patch, HDFS-12459.004.patch, HDFS-12459.005.patch, HDFS-12459.006.patch, HDFS-12459.006.patch, HDFS-12459.007.patch, HDFS-12459.008.patch
>
>
> HDFS-11156 was reverted because the implementation was non optimal, based on the suggestion from [~shahrs87], we should avoid creating a dfs client to get block locations because that create extra RPC call. Instead we should use {{NamenodeProtocols#getBlockLocations}} then covert {{LocatedBlocks}} to {{BlockLocation[]}}.
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