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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13032) Refactor FileSystem$Statistics to use StorageStatistics
Date Mon, 02 Oct 2017 19:43:01 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16188695#comment-16188695
] 

Andrew Wang commented on HADOOP-13032:
--------------------------------------

Sure, if there's a compatible way of doing this, then no problem.

> Refactor FileSystem$Statistics to use StorageStatistics
> -------------------------------------------------------
>
>                 Key: HADOOP-13032
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13032
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs
>            Reporter: Mingliang Liu
>            Assignee: Mingliang Liu
>         Attachments: HADOOP-13032.000.patch, HADOOP-13032.001.patch, HADOOP-13032.002.patch,
HADOOP-13032.003.patch, HADOOP-13032.004.patch, HADOOP-13032.005.patch
>
>
> [HADOOP-13065] added a new interface for retrieving FS and FC Statistics. This jira is
to track the effort of moving the {{Statistics}} class out of {{FileSystem}}, and make it
use that new interface.
> We should keep the thread local implementation. Benefits are:
> # they could be used in both {{FileContext}} and {{FileSystem}}
> # unified stats data structure
> # shorter source code
> Please note this will be an backwards-incompatible change.



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