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https://issues.apache.org/jira/browse/AMBARI-16821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15311100#comment-15311100
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Jonathan Hurley commented on AMBARI-16821:
------------------------------------------
Looks like the problem is that the classes are being shipped with
{{ambari-metrics-common-2.4.0.0.5228.jar}} and are not being shaded.
{code}
[root@c6401 ambari-server]# pwd
/usr/lib/ambari-server
[root@c6401 ambari-server]# ls -l guava*
-rwxrwxrwx 1 root root 2225441 Jun 1 20:22 guava-16.0.jar
{code}
{code}
[root@c6401 ambari-server]# unzip -l ambari-metrics-common-2.4.0.0.5228.jar |
grep Sets.class
2859 06-01-2016 20:21
com/google/common/collect/ImmutableMap$1MapViewOfValuesAsSingletonSets.class
18255 06-01-2016 20:21 com/google/common/collect/Sets.class
{code}
> 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.
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