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https://issues.apache.org/jira/browse/HAMA-543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13243981#comment-13243981
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Edward J. Yoon edited comment on HAMA-543 at 4/2/12 5:34 AM:
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I'm good. let's add this to the 0.5 roadmap.
P.S., I don't want to seriously considering about advanced scheduling now, But
to handle bulk synchronous task scheduling problem efficiently, all things
considered, we'll need to separate the phases into data loading phase, data
re-distribution/re-partition phase, BSP computation phase, and output writing
phase.
I think, the HAMA-531 and recovery issues (
http://markmail.org/thread/2o625g2pqrtolizi#query:+page:1+mid:ltazto7k2wapshxs+state:results
)are all basically an extension of this.
was (Author: udanax):
I'm good. let's add this to the 0.5 roadmap.
P.S., I don't want to seriously considering about advanced scheduling now, But
to handle bulk synchronous task scheduling problem efficiently, all things
considered, we'll need to separate the phases into data loading phase, data
re-distribution/re-partition phase, BSP computation phase, and output writing
phase.
I think, the HAMA-423 and recovery issues (
http://markmail.org/thread/2o625g2pqrtolizi#query:+page:1+mid:ltazto7k2wapshxs+state:results
)are all basically an extension of this.
> Make best effort to start BSP Task on the host where the input split is
> located.
> --------------------------------------------------------------------------------
>
> Key: HAMA-543
> URL: https://issues.apache.org/jira/browse/HAMA-543
> Project: Hama
> Issue Type: Improvement
> Components: bsp
> Affects Versions: 0.6.0
> Reporter: Suraj Menon
> Fix For: 0.6.0
>
> Attachments: HAMA-543-locality.patch
>
>
> Currently, BSP Task is not scheduled on the host that has the input split
> stored by HDFS. BSP Task scheduler should make an attempt to start the task
> on the host that has the input split located on it.
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