hadoop-yarn-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2925) Internal fields in LeafQueue access should be protected when accessed from FiCaSchedulerApp to calculate Headroom
Date Sat, 06 Dec 2014 00:17:12 GMT

     [ https://issues.apache.org/jira/browse/YARN-2925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wangda Tan updated YARN-2925:
-----------------------------
    Attachment: YARN-2925.1.patch

Attached a fix of the method described above

> Internal fields in LeafQueue access should be protected when accessed from FiCaSchedulerApp
to calculate Headroom
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2925
>                 URL: https://issues.apache.org/jira/browse/YARN-2925
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Critical
>         Attachments: YARN-2925.1.patch
>
>
> Upon YARN-2644, FiCaScheduler will calculation up-to-date headroom before sending back
Allocation response to AM.
> Headroom calculation is happened in LeafQueue side, uses fields like used resource, etc.
But it is not protected by any lock of LeafQueue, so it might be corrupted is someone else
is editing it.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message