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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-13641) Various metrics show no data available - when HA enabled
Date Fri, 30 Oct 2015 22:28:27 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-13641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14983493#comment-14983493
] 

Hudson commented on AMBARI-13641:
---------------------------------

FAILURE: Integrated in Ambari-trunk-Commit #3746 (See [https://builds.apache.org/job/Ambari-trunk-Commit/3746/])
AMBARI-13641. Various metrics show no data available - when HA enabled. (swagle: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=db12ed3b0641093d91e2cb8edd08a947fa66269b])
* ambari-server/src/test/java/org/apache/ambari/server/controller/metrics/timeline/cache/TimelineMetricCacheSizingTest.java
* ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/timeline/cache/TimelineMetricsCacheValue.java
* ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/timeline/cache/TimelineMetricsCacheSizeOfEngine.java
* ambari-server/src/test/java/org/apache/ambari/server/controller/metrics/timeline/cache/TimelineMetricCacheTest.java
* ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/timeline/cache/TimelineMetricCacheEntryFactory.java
* ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/timeline/cache/TimelineMetricCache.java


> Various metrics show no data available - when HA enabled
> --------------------------------------------------------
>
>                 Key: AMBARI-13641
>                 URL: https://issues.apache.org/jira/browse/AMBARI-13641
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-metrics, ambari-server
>    Affects Versions: 2.1.2
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>            Priority: Critical
>             Fix For: 2.1.3
>
>         Attachments: AMBARI-13641.patch
>
>
> The Metrics Cache introduced in Ambari stores the metrics result in an HashMap with metric
name as the key. This results in a problem when the same request needs to fetch metrics for
both the Namenodes or both the Resourcemangers. The last result gets cached.
> *Note*: Workaround for this is to disable cache in 2.1.2 by setting this property in
ambari.properties file : server.timeline.metrics.cache.disabled = true



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