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From Peter Schuller <>
Subject Re: Migrating from Mysql to Cassandra
Date Sat, 02 Oct 2010 21:05:36 GMT
>   4) If we delete a record in clustered environment (In a single node),
> after that before sync with remaining nodes the node got failure means we
> wont have the data consistency - how to handle it. This database wont follow
> ACID properties, how to handle this one for a huge ERP kind of application.

Just to slightly augment what was already posted by Aaron; deletes are
not special in terms of the chosen consistency level. If you submit a
mutation with a QUOROM consistency level for example, that QUOROM
consistency requirement applies equally to deletes as it does to

(That said, deletes are a bit special in other ways to go
GCGraceSeconds, but that is another story.)

/ Peter Schuller

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