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https://issues.apache.org/jira/browse/SPARK-27622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16831553#comment-16831553
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Attila Zsolt Piros edited comment on SPARK-27622 at 5/6/19 6:22 PM:
--------------------------------------------------------------------

I am already working on this. There is already a working prototype for RDD 
blocks.


was (Author: attilapiros):
I am already working on this. A working prototype for RDD blocks are ready and 
working.

> Avoid network communication when block manger fetches from the same host
> ------------------------------------------------------------------------
>
>                 Key: SPARK-27622
>                 URL: https://issues.apache.org/jira/browse/SPARK-27622
>             Project: Spark
>          Issue Type: Improvement
>          Components: Block Manager
>    Affects Versions: 3.0.0
>            Reporter: Attila Zsolt Piros
>            Priority: Major
>
> Currently fetching blocks always uses the network even when the two block 
> managers are running on the same host.



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