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


Hadoop QA commented on AMBARI-16821:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment
  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:
Javac warnings:
Console output:

This message is automatically generated.

> Improve TimelineMetricsCache eviction/flush logic using a cache library
> -----------------------------------------------------------------------
>                 Key: AMBARI-16821
>                 URL:
>             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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