[
https://issues.apache.org/jira/browse/HADOOP-3293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12644244#action_12644244
]
Jothi Padmanabhan commented on HADOOP-3293:
-------------------------------------------
Runping, just to make sure I understand this correctly, consider the following
hypothetical scenario
Rack 1 has hosts A,B,C
Rack 2 has host D
A contributes 25, B contributes 20, C contributes 15, D contributes 40
Then the preference of hosts would be A,B,C,D as A, B and C have an intra-rack
contribution of 60 and external contribution of 40, whereas D has intra rack
contribution of 40 and external contribution of 60.
Is this correct?
> When an input split spans cross block boundary, the split location should be
> the host having most of bytes on it.
> ------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3293
> URL: https://issues.apache.org/jira/browse/HADOOP-3293
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Runping Qi
> Assignee: Jothi Padmanabhan
>
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
