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From "Ivan Mitic (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-8189) Ambari agent support for parallel task execution during deployment
Date Fri, 24 Apr 2015 15:18:39 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-8189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14511200#comment-14511200
] 

Ivan Mitic commented on AMBARI-8189:
------------------------------------

Hi [~aonishuk], parallel execution is disabled by default, so this patch shouldn't have changed
anything, it must be something else. 

When was the last time you measured?

> Ambari agent support for parallel task execution during deployment
> ------------------------------------------------------------------
>
>                 Key: AMBARI-8189
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8189
>             Project: Ambari
>          Issue Type: Task
>    Affects Versions: 2.0.0
>            Reporter: Ivan Mitic
>            Assignee: Ivan Mitic
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-8189.2.patch, AMBARI-8189.patch
>
>
> Ambari serializes all operations on the node, and by actually parallelizing the independent
setup activities, deployment time would significantly decrease. Ambari stack definition already
defines a notion of service dependencies, so some basic infra requirements for parallel execution
are already in place.
> This is a tracking Jira where we can discuss this proposal and work on the design/prototype
and patch. 



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