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From "Sumit Mohanty (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-15123) Ambari's App Timeline Web UI Alert tries make http heavy call timelineserver:httpPort which can also cause OOM
Date Sat, 20 Feb 2016 02:07:18 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-15123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sumit Mohanty updated AMBARI-15123:
-----------------------------------
    Attachment: AMBARI-15123.patch

> Ambari's App Timeline Web UI Alert tries make http heavy call timelineserver:httpPort
which can also cause OOM
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-15123
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15123
>             Project: Ambari
>          Issue Type: Bug
>          Components: stacks
>    Affects Versions: 2.2.2
>            Reporter: Sumit Mohanty
>            Assignee: Sumit Mohanty
>             Fix For: 2.2.2
>
>         Attachments: AMBARI-15123.patch
>
>
> Ambari's App Timeline Web UI Alert tries make http heavy call timelineserver:httpPort
which can also cause OOM
> Hit this issue while testing ATS v1.5 on 32 node cluster under load was going OOM, we
discovered there are instance where <ATSHost:webPort> is being hit.
> Looks like Ambari's App Timeline Web UI alerting system is trying call it
> As from Ambari Alerts we can see error like "Connection failed to http://ATS_HOST:8188
(timed out)"
> Now If we try hit http://<ATSHost>:<webappPort>, by default It load http://<ATSHost>:<webappPort>/applicationhistory

> e.g.  Accessing http://ATS_HOST:8188 will try to access http:/ATS_HOST:8188/applicationhistory
page.
> If cluster has AHS/GHS enabled (under ATS), then this call result heavy html containing
large of application.
> We can make alert to access some lightweight call like: http://<ATSHost>:<webappPort>/applicationhistory/about,
or http://<ATSHost>:<webappPort>/ws/v1/timeline
> e.g.  http://ATS_HOST:8188/applicationhistory/about
> or 
> http://ATS_HOST:8188/ws/v1/timeline



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