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Current state: Under Discussion

Discussion thread: here 

JIRA: here 

Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

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The behavior the user should expect in this instance is that instead of records being evicted on a per partition basis, it will be per key. To illustrate, imagine we have the same records list as the example provided in the Motivation section. We could see that we do not have to wait for 24 hours to get the records, nor are keys dropped in partition B because they are not considered late (as stream time now is per key, and thus, the stream time upon which a record is determined if it is evicted is determined solely by records of the same key). 

The metrics that are reported for this design has yet to be decided upon.

Compatibility, Deprecation, and Migration Plan

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