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From "Jonathan Hurley (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AMBARI-11358) During RU, capacity scheduler config needs to be modified for HDP-2.3 to get rid of bad values
Date Sat, 23 May 2015 01:30:17 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-11358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hurley resolved AMBARI-11358.
--------------------------------------
    Resolution: Fixed

> During RU, capacity scheduler config needs to be modified for HDP-2.3 to get rid of bad
values
> ----------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-11358
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11358
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.1.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>            Priority: Blocker
>             Fix For: 2.1.0
>
>
> The following three config properties should be removed if the values are the HDP-2.2
default.
> * yarn.scheduler.capacity.root.accessible-node-labels.default.capacity
> ** Remove if value is "-1"
> * yarn.scheduler.capacity.root.accessible-node-labels.default.maximum-capacity
> ** Remove if value is "-1"
> * yarn.scheduler.capacity.root.default-node-label-expression
> ** Remove if value is " " (space)
> There is currently no logic in place that says remove a property if the property meets
a condition. That would require work. Some options:
> - We have the ability to set a property if a property meets a condition. For example,
we can set {{yarn.scheduler.capacity.root.accessible-node-labels.default.capacity}} to {{""}}
or {{10}} if it is currently {{-1}}
> - We can just set it regardless of any condition to any value
> - We can just remove it outright
> - We can write a pre-req check and have the user change it.
> The best balance of effort/reward is option #1 - conditionally set the properties.



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