GitHub user shijinkui opened a pull request:
https://github.com/apache/spark/pull/3883
[SPARK-5062][Graphx] replace mapReduceTriplets with aggregateMessage in
Pregel Api
since spark 1.2 introduce aggregateMessage instead of mapReduceTriplets, it
improve the performance indeed.
it's time to replace mapReduceTriplets with aggregateMessage in Pregel.
i provide a deprecated method thinking about compatibility
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i have draw a graph of aggregateMessage to show why it can improve the
performance.
dfgdfgd
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/shijinkui/spark pregel_agg
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3883.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 #3883
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commit 93ae74bc5c9011719775e9862f2577777c2e81a9
Author: çç
<jinkui....@alibaba-inc.com>
Date: 2015-01-01T02:43:27Z
change mapReduceTriplets to aggregateMessages of Pregel API
commit d2519e235c53c8ee53c5f127cf680585f139eb0c
Author: çç
<jinkui....@alibaba-inc.com>
Date: 2015-01-01T03:21:30Z
change mapReduceTriplets to aggregateMessages of Pregel API
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