GitHub user xinyuiscool opened a pull request:
https://github.com/apache/samza/pull/75
SAMZA-1067: Physical execution graph and planner for fluent API
Initial commit for the physical graph and plan. The commit includes:
1) Physical ProcessorGraph, where each processor represents a physical
execution unit (e.g. a job in Yarn).
2) A planner does the following:
- create ProcessorGraph from StreamGraph. For this phase, the graph only
contains a single node (single stage);
- figure out the partitions of intermediate topics
- create the topics
Please note currently the planner is used in the remote runner for now.
Further changes/refactoring/cleanup are expected to be integrated with local
runner.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xinyuiscool/samza SAMZA-1067
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/samza/pull/75.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 #75
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