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From "Jonathan Hurley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-15745) Create Alert For Reporting Potential Issues With Slow REST Responses
Date Thu, 07 Apr 2016 18:41:25 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-15745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hurley updated AMBARI-15745:
-------------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

> Create Alert For Reporting Potential Issues With Slow REST Responses
> --------------------------------------------------------------------
>
>                 Key: AMBARI-15745
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15745
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-15745.patch
>
>
> There are many factors which can influence the response rate of the REST API when the
web client polls various endpoints:
> - Database access problems
> - Federated PropertyProvider delays
> - Serialization Time of JSON
> If the response rate of the REST API is poor, this can affect the overall UX of the product
and produce a situation where Ambari doesn't seem to be responding.
> There should be an alert which provides queries into various parts of Ambari in order
to determine if response times are acceptable. 
> - This should be a {{SERVER}} side task
> - If possible, the query should be made directly through the ResourceProvider framework
to simulate a REST request. It should be made against the cluster endpoint since that's what
is most likely polled.
> - The alert should have configurable values for the threshold settings. 



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