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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5865) Retrospect updateApplicationPriority api to handle state store exception in align with YARN-5611
Date Mon, 14 Nov 2016 10:26:58 GMT

     [ https://issues.apache.org/jira/browse/YARN-5865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sunil G updated YARN-5865:
--------------------------
    Attachment: YARN-5865.0002.patch

Thanks [~jianhe] and [~rohithsharma] for the comments.

Generally makes sense as priority update was depending on submission context. 

I made few changes now.
- submission context will still be used to store priority. But this will not be used as a
working data in scheduler any more
- new priority variable will be kept in RMAppImpl. This will be the in-memory storage for
priority for app
- all getters from REST/api's etc will be using {{RMApp#getApplicationPriority}} instead of
the submission context api.

Also we ensure that any edit to submission context will be done only to track HA scenarios
and it will be under write lock of app id.

> Retrospect updateApplicationPriority api to handle state store exception in align with
YARN-5611
> ------------------------------------------------------------------------------------------------
>
>                 Key: YARN-5865
>                 URL: https://issues.apache.org/jira/browse/YARN-5865
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Sunil G
>            Assignee: Sunil G
>         Attachments: YARN-5865.0001.patch, YARN-5865.0002.patch
>
>
> Post YARN-5611, revisit dynamic update of application priority logic with respect to
state store error handling.



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