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I'm trying to confirm the behavior of HBase when there are concurrent
writes to the same cell that happen at the exact same millisecond and not
providing a timestamp value to the Put operations (i.e. relying on current
time of region server). Is it possible that such concurrent writes result
in a cell with an identical version value or does HBase have a mechanism to
protect against that?

If that's the case, my understanding is that last write wins, correct?

Thanks,
Dia