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Date: Wed, 20 Nov 2013 03:09:23 +0000 (UTC)
From: "Jonathan Ellis (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Message-ID: <JIRA.12631551.1360375865752.103475.1384916963872@arcas>
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Subject: [jira] [Resolved] (CASSANDRA-5237) Add consistency level EACH_ONCE
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     [ https://issues.apache.org/jira/browse/CASSANDRA-5237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis resolved CASSANDRA-5237.
---------------------------------------

    Resolution: Won't Fix

> Add consistency level EACH_ONCE
> -------------------------------
>
>                 Key: CASSANDRA-5237
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5237
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Srdjan Mitrovic
>            Priority: Minor
>
> Use case:
> If we have 2 datacenters and 2 replicas per datacenter a good fault tolerant consistency strategy would be to use level EACH_ONCE for writes as in that case it is fault tolerant even if 2 nodes die (one in each dc). If we assume that a node from local dc will always reply faster then remote dc we could use CL_TWO for reads and it would work fast for reads in normal conditions and be fault tolerant if a node or 2 nodes die.


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