GitHub user lirui-intel opened a pull request:
https://github.com/apache/spark/pull/892
SPARK-1937: fix issue with task locality
Don't check executor/host availability when creating a TaskSetManager.
Because the executors may haven't been registered when the TaskSetManager is
created, in which case all tasks will be considered "has no preferred
locations", and thus losing data locality in later scheduling.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/lirui-intel/spark delaySchedule
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/892.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #892
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commit a225ac2a1eda66bae767d111eb63e9e35b6491d2
Author: Rui Li <[email protected]>
Date: 2014-05-27T07:14:35Z
SPARK-1937: fix issue with task locality
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