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From "Vrushali C (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6389) [ATSv2] metricslimit query parameter do not work
Date Thu, 30 Mar 2017 17:42:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-6389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949482#comment-15949482

Vrushali C commented on YARN-6389:

As discussed in the call today:
- atsv2 now uses 1.2.4 (previously 1.1.3). We did not test with 1.1.5.
- we should ensure that the scan always fetches the latest version for metrics unless timerange
is explicitly specified. Fetching too much data will not only affect latency but also client
response set size. 

> [ATSv2] metricslimit query parameter do not work
> ------------------------------------------------
>                 Key: YARN-6389
>                 URL: https://issues.apache.org/jira/browse/YARN-6389
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelinereader
>            Reporter: Rohith Sharma K S
>            Assignee: Varun Saxena
>            Priority: Critical
> It is observed that metricslimit query parameter do not work. And also by default metricslimit
is set to 1, all the metrics versions are retrieved. 
> One thing I noticed that even though GenericEntityReader is setting Scan.setMaxVersions(),
all the metrics are retrieved. It appears something wrong in TimelieneWritter or the way hbase
filters is being used. 

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