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From "Hao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (EAGLE-863) Refactor Topology Monitoring Widgets
Date Wed, 18 Jan 2017 13:53:26 GMT

    [ https://issues.apache.org/jira/browse/EAGLE-863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15828091#comment-15828091
] 

Hao Chen commented on EAGLE-863:
--------------------------------

Two Bugs:

1)`siteId` is totally different from `siteName` so the query {code}/rest/entities?query=HbaseServiceInstance[@site="siteName"]{*}&pageSize=10000{code}
is wrong, should be {code}/rest/entities?query=HbaseServiceInstance[@site="siteId"]{*}&pageSize=10000{code}

2) Use eagle count agg query instead of agg purely in front-end with JS, for example:
* region server alive count: `/rest/entities?query=HbaseServiceInstance[@site="siteId" and
@status="live" and @role="regionserver"]<@site>{count}&pageSize=10000`
* region server alive count: `/rest/entities?query=HbaseServiceInstance[@site="siteId" and
@status="dead" and @role="regionserver"]<@site>{count}&pageSize=10000`


> Refactor Topology Monitoring Widgets
> ------------------------------------
>
>                 Key: EAGLE-863
>                 URL: https://issues.apache.org/jira/browse/EAGLE-863
>             Project: Eagle
>          Issue Type: Sub-task
>          Components: Hadoop JMX Monitor
>    Affects Versions: v0.5.0
>            Reporter: Hao Chen
>            Assignee: JiJun Tang
>            Priority: Critical
>             Fix For: v0.5.0
>
>
> Currently the widgets (HDFS/HBase/YARN) on site home page (/#/site/$siteId) is just a
mockup sample, please:
> 1) Define meaningful information in HBase widget, just for example:
>        * Number of Masters (active/standby) ?
>        * Number of Region Servers (live/dead)?
> 2) Define meaningful information in HDFS widget, just for example:
>        * Storage/Used DFS capacity?
>        * Number of DataNodes (live/dead)?
> 3) Define meaningful information in YARN widget, just for example:
>        * Resource Manager?
>        * Number of Node Manager?



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