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Posted to issues@ambari.apache.org by "Hari Sekhon (JIRA)" <ji...@apache.org> on 2018/10/12 11:02:00 UTC
[jira] [Commented] (AMBARI-24766) Ambari Metrics Grafana reporting
half the avg num regions per RegionServer
[ https://issues.apache.org/jira/browse/AMBARI-24766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16647782#comment-16647782 ]
Hari Sekhon commented on AMBARI-24766:
--------------------------------------
Screenshots attached showing the bug.
> Ambari Metrics Grafana reporting half the avg num regions per RegionServer
> --------------------------------------------------------------------------
>
> Key: AMBARI-24766
> URL: https://issues.apache.org/jira/browse/AMBARI-24766
> Project: Ambari
> Issue Type: Bug
> Components: ambari-metrics
> Affects Versions: 2.6.2
> Reporter: Hari Sekhon
> Priority: Minor
> Attachments: Ambari_Metrics_wrong_avg_num_regions.png, HBase_Master_UI_num_regions.png
>
>
> Ambari Metrics Grafana is reporting 94.9 Avg Num Regions per RegionServer compared to HBase UI RegionServers sections which is showing 186 - 192 regions for all 8 regionservers.
> Time picker is set to last hour and HMaster UI is refreshed so it's not a misaligned reporting time issue.
> Ambari's Grafana shows 1519 regions for 8 regionservers but Avg Num Regions as 94.9 rather than what you would expect 1519 / 8 should equal 189.875.
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