cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Benoit Perroud <ben...@noisette.ch>
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 <allen.servedio@gmail.com>:
> 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

Mime
View raw message