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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4537) Pull out priority comparison from fifocomparator and use compound comparator for FifoOrdering policy
Date Mon, 04 Jan 2016 11:42:39 GMT

     [ https://issues.apache.org/jira/browse/YARN-4537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rohith Sharma K S updated YARN-4537:
------------------------------------
    Summary: Pull out priority comparison from fifocomparator and use compound comparator
for FifoOrdering policy  (was: Pull out priority comparison from fifocomparator and use compound
comparator for FIFOOrdering policy)

> Pull out priority comparison from fifocomparator and use compound comparator for FifoOrdering
policy
> ----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-4537
>                 URL: https://issues.apache.org/jira/browse/YARN-4537
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacity scheduler
>            Reporter: Rohith Sharma K S
>            Assignee: Rohith Sharma K S
>         Attachments: 0001-YARN-4537.patch
>
>
> Currently, priority comparison is integrated with FifoComparator. There should be a separate
comparator defined for priority comparison so that down the line if any new ordering policy
wants to integrate priority, they can use compound comparator where priority will be high
preference. 
> The following changes are expected to be done as part of this JIRA
> # Pull out priority comparison from FifoComparator
> # Define new priority comparator
> # Use compound comparator for FifoOrderingPolicy. Oder of preference is   Priority,FIFO



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