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Build # 2994

Build Type

push

jenkins

Committed by dhalperi

Commit Message

[BEAM-1780] BigtableIO: better handling of bad split requests

The contract for `splitIntoFraction` is that it should only throw if the
reader is in an unknown, bad state. The proper way to reject invalid or
unsatisfiable split requests is to return null.

However, `BigtableIO.Read` will currently throw for simply invalid input
it should reject. This can lead to less effective dynamic work
rebalancing and even stuck jobs.

Related to, but probably not a complete solution for, BEAM-1751.

Run Details

21506 of 30766 relevant lines covered (69.9%)

0.7 hits per line