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Posted to yarn-issues@hadoop.apache.org by "Li Lu (JIRA)" <ji...@apache.org> on 2016/04/28 01:58:12 UTC

[jira] [Updated] (YARN-4987) Read cache concurrency issue between read and evict in EntityGroupFS timeline store

     [ https://issues.apache.org/jira/browse/YARN-4987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Li Lu updated YARN-4987:
------------------------
    Summary: Read cache concurrency issue between read and evict in EntityGroupFS timeline store   (was: EntityGroupFS timeline store needs to handle null storage gracefully)

> Read cache concurrency issue between read and evict in EntityGroupFS timeline store 
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-4987
>                 URL: https://issues.apache.org/jira/browse/YARN-4987
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Li Lu
>            Assignee: Li Lu
>            Priority: Critical
>
> To handle concurrency issues, key value based timeline storage may return null on reads that are concurrent to service stop. EntityGroupFS timeline store needs to handle this case gracefully. 



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