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From Robert Coli <>
Subject Re: why the performance of counter is so bad ?
Date Thu, 27 Jun 2013 18:41:30 GMT
Briefly, counters read before write, unlike other writes in Cassandra.
Counters have been designed to allow for very fast writes. However, increment
does involve a read on one of the replica as part of replication. As a
counter increments are expected to be slightly slower than regular writes.


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