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Posted to common-issues@hadoop.apache.org by "Jitendra Nath Pandey (JIRA)" <ji...@apache.org> on 2016/07/01 22:48:11 UTC
[jira] [Commented] (HADOOP-13283) Support reset operation for new
global storage statistics and per FS storage stats
[ https://issues.apache.org/jira/browse/HADOOP-13283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15359779#comment-15359779 ]
Jitendra Nath Pandey commented on HADOOP-13283:
-----------------------------------------------
Please check for stats null, particularly in UnionStorageStatistics. In case of null stats, reset should be no-op I think.
> Support reset operation for new global storage statistics and per FS storage stats
> ----------------------------------------------------------------------------------
>
> Key: HADOOP-13283
> URL: https://issues.apache.org/jira/browse/HADOOP-13283
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Fix For: 2.8.0
>
> Attachments: HADOOP-13283.000.patch, HADOOP-13283.001.patch
>
>
> Applications may reuse the file system object across jobs and its storage statistics should be reset. Specially the {{FileSystem.Statistics}} supports reset and [HADOOP-13032] needs to keep that use case valid.
> This jira is for supporting reset operations for storage statistics.
> Thanks [~hitesh] for reporting this.
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