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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/12807178/AMBARI-16821_4-trunk.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 2 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:red}-1 core tests{color}. The test build failed in ambari-server Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/7075//testReport/ Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/7075//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, AMBARI-16821_2.patch, > AMBARI-16821_3-trunk.patch, AMBARI-16821_4-trunk.patch, BUG-55307.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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)