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ASF GitHub Bot commented on BEAM-1623: -------------------------------------- GitHub user aviemzur opened a pull request: https://github.com/apache/beam/pull/2160 [BEAM-1623] Transform Reshuffle directly in Spark runner Be sure to do all of the following to help us incorporate your contribution quickly and easily: - [ ] Make sure the PR title is formatted like: `[BEAM-<Jira issue #>] Description of pull request` - [ ] Make sure tests pass via `mvn clean verify`. (Even better, enable Travis-CI on your fork and ensure the whole test matrix passes). - [ ] Replace `<Jira issue #>` in the title with the actual Jira issue number, if there is one. - [ ] If this contribution is large, please file an Apache [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.txt). --- You can merge this pull request into a Git repository by running: $ git pull https://github.com/aviemzur/beam translate-reshuffle Alternatively you can review and apply these changes as the patch at: https://github.com/apache/beam/pull/2160.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 #2160 ---- commit 6bc0241bb8d87f25f40ebef2682aab31b04a9fe9 Author: Aviem Zur <aviem...@gmail.com> Date: 2017-03-05T05:15:32Z [BEAM-1623] Transform Reshuffle directly in Spark runner ---- > Transform Reshuffle directly in Spark runner > -------------------------------------------- > > Key: BEAM-1623 > URL: https://issues.apache.org/jira/browse/BEAM-1623 > Project: Beam > Issue Type: Improvement > Components: runner-spark > Reporter: Aviem Zur > Assignee: Aviem Zur > > Transform {{Reshuffle}} directly in Spark runner. > Spark's {{repartition}} is logically equivalent to {{Reshuffle}} and will > cause the required fusion break without incurring the overhead of > {{groupByKey}} (In streaming pipelines this will use {{updateStateByKey}}) > compared to a simple {{repartition}}. -- This message was sent by Atlassian JIRA (v6.3.15#6346)