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https://issues.apache.org/jira/browse/MAPREDUCE-3815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated MAPREDUCE-3815:
-----------------------------------------------
Resolution: Fixed
Fix Version/s: 0.23.1
Release Note: Fixed MR AM to always use hostnames and never IPs when
requesting containers so that scheduler can give off data local containers
correctly.
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
I just committed this to trunk and branch-0.23. Thanks Sid!
> Data Locality suffers if the AM asks for containers using IPs instead of
> hostnames
> ----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3815
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3815
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Priority: Critical
> Fix For: 0.23.1
>
> Attachments: MR3815.txt
>
>
> BlockLocation.getHosts() returns IP addresses occasionally. Data locality is
> affected - since the RM requires hostnames.
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