[jira] [Updated] (SPARK-542) Cache Miss when machine have multiple hostname

["Matthew Farrellee (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthew Farrellee updated SPARK-542:
------------------------------------
    Component/s: Mesos
       Priority: Blocker

> Cache Miss when machine have multiple hostname
> ----------------------------------------------
>
>                 Key: SPARK-542
>                 URL: https://issues.apache.org/jira/browse/SPARK-542
>             Project: Spark
>          Issue Type: Bug
>          Components: Mesos
>            Reporter: frankvictor
>            Priority: Blocker
>
> HI, I encountered a weird runtime of pagerank in last few day.
> After debugging the job, I found it was caused by the DNS name.
> The machines of my cluster have multiple hostname, for example, slave 1 have name (c001 and c001.cm.cluster)
> when spark adding cache in cacheTracker, it get "c001" and add cache use it.
> But when schedule task in SimpleJob, the msos offer give spark "c001.cm.cluster".
> so It will never get preferred location!
> I thinks spark should handle the multiple hostname case(by using ip instead of hostname, or some other methods).
> Thanks!



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