[jira] [Updated] (CASSANDRA-5797) DC-local CAS

["Jeremy Hanna (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-5797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeremy Hanna updated CASSANDRA-5797:
------------------------------------
    Labels: LWT  (was: )

> DC-local CAS
> ------------
>
>                 Key: CASSANDRA-5797
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5797
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL
>    Affects Versions: 2.0 beta 1
>            Reporter: Jonathan Ellis
>            Assignee: Sylvain Lebresne
>            Priority: Minor
>              Labels: LWT
>             Fix For: 2.0 rc1
>
>         Attachments: 0001-Thrift-generated-files.txt, 0002-Add-LOCAL_SERIAL-CL.txt, 0003-CQL-and-native-protocol-changes.txt
>
>
> 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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