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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14703) ConsoleSink for metrics2
Date Mon, 31 Jul 2017 17:21:02 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16107623#comment-16107623
] 

Allen Wittenauer commented on HADOOP-14703:
-------------------------------------------

Rather use stdio, it'd be nice to use slf4j here.  There are a lot of advantages:

* users can send to console or to a file via log4j.properties or something fancier with their
own slf4j plug-in
* effectively could EOL FileSink
* could replace that awful hack that's in HDFS to also send metrics to a logfile

> ConsoleSink for metrics2
> ------------------------
>
>                 Key: HADOOP-14703
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14703
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: common, metrics
>    Affects Versions: 3.0.0-beta1
>            Reporter: Ronald Macmaster
>            Assignee: Ronald Macmaster
>              Labels: newbie
>         Attachments: 0001-HADOOP-14703.-ConsoleSink-for-simple-metrics-printin.patch
>
>   Original Estimate: 6h
>  Remaining Estimate: 6h
>
> The ConsoleSink will provide a simple solution to dump metrics to the console through
std.out. 
> Quick access to metrics through the console will simplify the development, testing, and
debugging process.



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