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From Benoit Perroud <>
Subject Re: Cassandra 1.1 row isolation cross datacenter replication
Date Tue, 21 Feb 2012 11:44:36 GMT
The isolation is guarantee locally to the node.
If two client are reading / writing to the same node, the one that
read will not see partial mutations.

2012/2/21 Allen Servedio <>:
> Hi,
> I saw that row level isolation was added in the beta of Cassandra 1.1 and I
> have the following question: given a ring that has two datacenters and a
> keyspace defined to replicate to both, if a row is written with local quorum
> to the first data center, will it still be isolated when it replicates to
> the other datacenter? Or is isolation for that row broken in the other
> datacenter (so that isolation is essentially back to the column level for
> the other datacenter)?
> Hopefully what I am asking makes sense... If not, I will give a more
> detailed example.
> Thanks,
> Allen

sent from my Nokia 3210

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