GitHub user markus-h opened a pull request:
https://github.com/apache/flink/pull/570
[FLINK-951] Reworking of Iteration Synchronization, Accumulators and
Aggregators
Iteration synchronization through JobManager
Unification of Accumulators and Aggregators (removal of former Aggregators)
Adjusted testcases accordingly
I redid the work of my very old pull request
https://github.com/apache/flink/pull/36
A more detailed description can be found in jira
https://issues.apache.org/jira/browse/FLINK-951
I came across some unexpected behaviour with akka that made a small hack
neccessary. Perhaps somebody with more experience in akka can find a better
solution. See IterationHeadPactTask line 392.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/markus-h/incubator-flink
iterationsAndAccumulatorsRework2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/570.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 #570
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commit 5492487892ff99f10fccdb075404dedaa3371ff7
Author: Markus Holzemer <[email protected]>
Date: 2015-04-02T15:56:19Z
Iteration synchronization through JobManager
Unification of Accumulators and Aggregators (removal of former Aggregators)
Adjusted testcases accordingly
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