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https://issues.apache.org/jira/browse/AMBARI-14694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15110888#comment-15110888
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Hudson commented on AMBARI-14694:
---------------------------------
FAILURE: Integrated in Ambari-trunk-Commit #4205 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/4205/])
AMBARI-14694 Unnecessary multiple TreeMap creation (dsen) (dsen:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=b0aeefc87daa7ed8040032a2998764f27bbdaa8d])
*
ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/aggregators/TimelineMetricReadHelper.java
*
ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/PhoenixHBaseAccessor.java
> Unnecessary multiple TreeMap creation
> -------------------------------------
>
> Key: AMBARI-14694
> URL: https://issues.apache.org/jira/browse/AMBARI-14694
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 2.2.1
> Reporter: Dmytro Sen
> Assignee: Dmytro Sen
> Priority: Critical
> Fix For: 2.4.0
>
> Attachments: AMBARI-14694.patch
>
>
> In TimelineReadHelper
> {code}
> TreeMap<Long, Double> sortedByTimeMetrics = new TreeMap(
> PhoenixHBaseAccessor.readMetricFromJSON(rs.getString("METRICS")));
> {code}
> but readMetricFromJSON returns the TreeMap
> it can lead to memory wasting
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