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From "Mahadev konar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-1551) Support for running Hadoop daemons under process supervsion
Date Mon, 08 Apr 2013 05:23:16 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-1551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13625154#comment-13625154
] 

Mahadev konar commented on AMBARI-1551:
---------------------------------------

Jos,

 Here are a couple of pointers on how the monitoring of hadoop processes are done on the Ambari
Agent side. 


 Take a look at ambari-agent/src/main/python/ambari_agent/LiveStatus.py.

 What we can do is make LiveStatus.py pluggable and also as of now the server send commands
to check for status of each component of the host. We can use that command to just send a
list of components to check for on that host and send it just once in an hour or so. We can
then do active live status checks on the agents itself using a pluggable module which could
be a wrapper around daemon tools.

 Does that sound ok? 
                
> Support for running Hadoop daemons under process supervsion
> -----------------------------------------------------------
>
>                 Key: AMBARI-1551
>                 URL: https://issues.apache.org/jira/browse/AMBARI-1551
>             Project: Ambari
>          Issue Type: Improvement
>            Reporter: Jos Backus
>            Assignee: Jos Backus
>            Priority: Minor
>             Fix For: 1.4.0
>
>
> We'd like Ambari to support running the Hadoop daemons under a process supervsion solution,
such as daemontools-encore. This will also likely simplify the code by moving some of the
current Ambari functionality into the process supervision tool.

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