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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19411) HBase should not override the Metrics System prefix if one exists already
Date Sun, 03 Dec 2017 01:28:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16275803#comment-16275803
] 

stack commented on HBASE-19411:
-------------------------------

Ok. Test?

> HBase should not override the Metrics System prefix if one exists already
> -------------------------------------------------------------------------
>
>                 Key: HBASE-19411
>                 URL: https://issues.apache.org/jira/browse/HBASE-19411
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Haibo Chen
>            Assignee: Ted Yu
>         Attachments: 19411.v1.txt
>
>
> Currently the following code in BaseSourceImpl is executed unconditionally:
> {code}
>       MetricsSystem metricsSys = DefaultMetricsSystem.instance();
> {code}
> As [~haibo.chen] pointed out in HBASE-19409, this would override the Metrics System prefix
for the one NM has set up previously.
> This issue is to avoid such override.



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