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From Timothy Farkas <...@datatorrent.com>
Subject Operator Utility To Convert Time Into Number Of Windows
Date Sat, 12 Dec 2015 00:13:28 GMT
I'd like to propose creating an operator utility in
com.datatorrent.lib.operatorutils to convert time into number of windows
and tuples / second into tuples / window. The way in which this currently
can be specified is through a property like operationWindowCount or
tuplesPerWindow. This works but I've observed that this can lead to
confusion. The confusion comes from the fact that the people who develop
apps are not necessarily the ones who test deployment configurations and
manage the apps, so they think in time not application windows. Also the
default application window count and streaming window size is not common
knowledge, so it's not easy to compute the conversion from windows to time.
This small utility method could be reused across operators.

Any feedback?

Thanks,
Tim

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