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From Ryan Svihla <rsvi...@datastax.com>
Subject Re: [Consitency on cqlsh command prompt]
Date Wed, 17 Dec 2014 13:40:38 GMT
DO you have 2 data centers?
QUORUM is (total_replicas/2)+1

You may want LOCAL_QUORUM

On Tue, Dec 16, 2014 at 11:47 PM, nitin padalia <padalia.nitin@gmail.com>
wrote:
>
> Hi,
>
> When I set Consistency to QUORUM in cqlsh command line. It says
> consistency is set to quorum.
>
> cqlsh:testdb> CONSISTENCY QUORUM ;
> Consistency level set to QUORUM.
>
> However when I check it back using CONSISTENCY command on the prompt
> it says consistency is 4. However it should be 2 as my replication
> factor for the keyspace is 3.
> cqlsh:testdb> CONSISTENCY ;
> Current consistency level is 4.
>
> Isn't consistency QUORUM calculated by: (replication_factor/2)+1?
> Where replication_factor/2 is rounded down.
>
> If yes then why consistency is displayed as 4, however it should be 2
> (3/2 = 1.5 = 1)+1 = 2.
>
> I am using Casssandra version 2.1.2 and cqlsh 5.0.1 and CQL spec 3.2.0
>
>
> Thanks! in advance.
> Nitin Padalia
>


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Ryan Svihla

Solution Architect

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