GitHub user adeneche opened a pull request:
https://github.com/apache/drill/pull/222
Drill 3952
Improve Window Functions performance when not all batches are required to
process the current batch
This patch also improves how the window functions operator handles limits
by avoiding processing anymore batches after the kill signal has been received
@amansinha100 can you please review ?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/adeneche/incubator-drill
DRILL-3952.final.rebased
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/222.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 #222
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commit 969706c6443227dd6c345a3160c29ddc5f177dae
Author: adeneche <[email protected]>
Date: 2015-10-22T21:08:10Z
DRILL-3952: Improve Window Functions performance when not all batches are
required to process the current batch
commit 5ed54a963c30a8742a706804df11942812a0a976
Author: adeneche <[email protected]>
Date: 2015-10-25T03:18:46Z
WindowFrameRecordBatch doesn't process anymore batch after killIncoming()
has been called
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