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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-8528) Final states in ContainerAllocation might be modified externally causing unexpected allocation results
Date Mon, 30 Jul 2018 18:51:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-8528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wangda Tan updated YARN-8528:
-----------------------------
    Fix Version/s:     (was: 3.1.1)
                   3.1.2

> Final states in ContainerAllocation might be modified externally causing unexpected allocation
results
> ------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-8528
>                 URL: https://issues.apache.org/jira/browse/YARN-8528
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacity scheduler
>            Reporter: Xintong Song
>            Assignee: Xintong Song
>            Priority: Major
>             Fix For: 3.2.0, 3.1.2
>
>         Attachments: YARN-8528.001.patch
>
>
> ContainerAllocation.LOCALITY_SKIPPED is final static, and its .state should always be AllocationState.LOCALITY_SKIPPED.
However, this variable is public and is accidentally changed to AllocationState.APP_SKIPPED
in RegularContainerAllocator under certain conditions. Once that happens, all following LOCALITY_SKIPPED
situations will be treated as APP_SKIPPED.
> Similar risks exist for ContainerAllocation.PRIORITY_SKIPPED/APP_SKIPPED/QUEUE_SKIPPED. 
> ContainerAllocation.state should be private and should not be changed. If changes are
needed, a new ContainerAllocation should be created.



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