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Posted to commits@cassandra.apache.org by "sankalp kohli (JIRA)" <ji...@apache.org> on 2013/12/17 17:21:09 UTC
[jira] [Assigned] (CASSANDRA-6495) LOCAL_SERIAL use QUORAM
consistency level to validate expected columns
[ https://issues.apache.org/jira/browse/CASSANDRA-6495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
sankalp kohli reassigned CASSANDRA-6495:
----------------------------------------
Assignee: sankalp kohli
> LOCAL_SERIAL use QUORAM consistency level to validate expected columns
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-6495
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6495
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: sankalp kohli
> Assignee: sankalp kohli
> Priority: Minor
>
> If CAS is done at LOCAL_SERIAL consistency level, only the nodes from the local data center should be involved.
> Here we are using QUORAM to validate the expected columns. This will require nodes from more than one DC.
> We should use LOCAL_QUORAM here when CAS is done at LOCAL_SERIAL.
> Also if we have 2 DCs with DC1:3,DC2:3, a single DC down will cause CAS to not work even for LOCAL_SERIAL.
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