Chris Riccomini created SAMZA-67:
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Summary: Maintain alignment in streams when using the
DefaultChooser
Key: SAMZA-67
URL: https://issues.apache.org/jira/browse/SAMZA-67
Project: Samza
Issue Type: New Feature
Components: container
Affects Versions: 0.6.0
Reporter: Chris Riccomini
The DefaultChooser currently defaults to a RoundRobinChooser when no chooser is
specified in config. This means that, by default, we just round robin over
which stream's messages to process next.
It might be possible to come up with a better strategy than round robin in this
scenario. This problem is outlined in detail in:
https://wiki.apache.org/samza/Pluggable%20MessageChooser
The most interesting and intuitive strategy seems to be to try and maintain the
alignment of the streams at the time the job starts (the fourth strategy
outlined in the wiki proposal).
Also, see SAMZA-2 for more discussion on this.
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