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From "John Zhuge (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14862) Metrics for AdlFileSystem
Date Tue, 12 Sep 2017 17:20:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16163308#comment-16163308
] 

John Zhuge commented on HADOOP-14862:
-------------------------------------

Thanks [~liuml07] for the valuable input!

> Metrics for AdlFileSystem
> -------------------------
>
>                 Key: HADOOP-14862
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14862
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/adl
>    Affects Versions: 2.8.0
>            Reporter: John Zhuge
>
> Add a Metrics2 source {{AdlFileSystemInstrumentation}} for {{AdlFileSystem}}.
> Consider per-thread statistics data if possible. Atomic variables are not totally free
in multi-core arch. Don't think Java can do per-cpu data structure.



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