GitHub user hyunsik opened a pull request:
https://github.com/apache/tajo/pull/101
TJAO-987: Hash shuffle should be balanced according to intermediate volumes
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hyunsik/tajo TAJO-987
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tajo/pull/101.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 #101
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commit 06b3153418692c8dccf692e6486b9396074ebb5a
Author: Hyunsik Choi <[email protected]>
Date: 2014-08-01T00:24:20Z
Add scheduleFetchesByEvenDistributedVolumes.
commit bdd14ddff5b71924dd56098dbb76c5babf64111a
Author: Hyunsik Choi <[email protected]>
Date: 2014-08-01T01:26:36Z
Improve the shuffle handlers.
* Add unit tests to verify evenly distributed shuffles
* Improve it to result in more fine grained distribution
commit ba65417fcc07c701d0290b523ed48a8af59bff66
Author: Hyunsik Choi <[email protected]>
Date: 2014-08-01T03:56:05Z
Fixed a bug to loss some partitions.
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