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From "Patrick McFadin (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-5797) DC-local CAS
Date Wed, 24 Jul 2013 15:29:48 GMT


Patrick McFadin commented on CASSANDRA-5797:

I like LOCAL_SERIAL over ANY. It makes a closer match to LOCAL_QUORUM in that it's not meant
to cross datacenter boundaries. There is enough confusion about ANY as it is and I think this
would simplify things.
> DC-local CAS
> ------------
>                 Key: CASSANDRA-5797
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API
>    Affects Versions: 2.0
>            Reporter: Jonathan Ellis
>            Assignee: Sylvain Lebresne
>            Priority: Minor
>             Fix For: 2.0.1
> For two-datacenter deployments where the second DC is strictly for disaster failover,
it would be useful to restrict CAS to a single DC to avoid cross-DC round trips.
> (This would require manually truncating {{system.paxos}} when failing over.)

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