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From "Oliver Seiler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-6970) Support CL=EACH_QUORUM for reads
Date Tue, 01 Apr 2014 20:05:14 GMT
Oliver Seiler created CASSANDRA-6970:
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             Summary: Support CL=EACH_QUORUM for reads
                 Key: CASSANDRA-6970
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6970
             Project: Cassandra
          Issue Type: Wish
         Environment: SLES 11 SP3 x86_64
Cassandra 2.0.6
            Reporter: Oliver Seiler


SELECTs done at CL=EACH_QUORUM get an InvalidRequestException: with a message of "EACH_QUORUM
ConsistencyLevel is only supported for writes".

The documentation doesn't indicate this would happen, so at minimum this is inconsistent with
the current documentation. I'm aware of CASSANDRA-3272, which indicates this has never worked
as expected, and made this obvious with the InvalidRequestException.

I'm not sure why this shouldn't work, regardless of Jonathan Ellis commenting "I ask because
I've never seen it to be the 'right' CL yet". I'd like it because: I want to do my writes
at LOCAL_QUORUM and (some) reads at EACH_QUORUM, because I require guaranteed consistency
for (some) reads where I can be partition intolerant without affecting clients, rather than
becoming partition intolerant on writes...



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