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From Eric Newton <>
Subject Re: Does BatchWriter guarantee that all mutations are committed?
Date Wed, 25 Jun 2014 03:45:59 GMT
> Is it possible that some mutations are not committed when
> BatchWriter.close() returns?

No. If you see this behavior, please post a ticket.

> BTW, how to implement multi-row transactional updates in Accumulo? using
> ConditionalWriter?

The Big-Table model provides no such guarantees.   You may want to follow
the percolator inspired work on git-hub:


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