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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-16821) Improve TimelineMetricsCache eviction/flush logic using a cache library
Date Thu, 26 May 2016 22:19:13 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-16821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15303066#comment-15303066
] 

Hadoop QA commented on AMBARI-16821:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12805652/AMBARI-16821_1.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

      {color:red}-1 javac{color}.  The applied patch generated 75 javac compiler warnings
(more than the trunk's current 74 warnings).

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in ambari-metrics/ambari-metrics-common.

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/6983//testReport/
Javac warnings: https://builds.apache.org/job/Ambari-trunk-test-patch/6983//artifact/trunk/patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/6983//console

This message is automatically generated.

> Improve TimelineMetricsCache eviction/flush logic using a cache library
> -----------------------------------------------------------------------
>
>                 Key: AMBARI-16821
>                 URL: https://issues.apache.org/jira/browse/AMBARI-16821
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-metrics
>    Affects Versions: 2.2.2
>            Reporter: Dmytro Sen
>            Assignee: Dmytro Sen
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-16821_1.patch
>
>
> The TimelineMetricsCache implementation in the metrics sink side is currently a ConcurrentSkipListMap.
It is better to use pre built cache libraries like Guava that offer more support.



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