GitHub user huitseeker opened a pull request:
https://github.com/apache/spark/pull/8103
[SPARK-9819][Streaming][Documentation] Clarify doc for invReduceFunc in
incremental versions of reduceByWindow
- that reduceFunc and invReduceFunc should be associative
- that the intermediate result in iterated applications of inverseReduceFunc
is its first argument
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/huitseeker/spark issue/invReduceFuncDoc
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8103.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 #8103
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commit b377760d6eea91a94c3f760b8bdba1cb5feee855
Author: François Garillot <[email protected]>
Date: 2015-08-11T12:03:55Z
SPARK-9819 Clarify the doc of incremental versions of reduceByWindow
- that reduceFunc and invReduceFunc should be associative
- that the intermediate result in iterated applications of inverseReduceFunc
is its first argument
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