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From Tupshin Harper <>
Subject Re: network compatibility from 0.6 to 0.7
Date Thu, 22 Jul 2010 17:29:25 GMT
As long as network compatibility is in place, it is possible to
incrementally upgrade a cluster by restricting thrift clients to only talk
to the 0.6 nodes until half the cluster is upgraded and then modify them to
talk to the 0.7 nodes. If networking compatibility breaks, there is no way
to avoid downtime or even test 0.7 under production load.

On Jul 22, 2010 9:50 AM, "Jonathan Ellis" <> wrote:

How useful is this to insist on, given that 0.7 thrift api is fairly
incompatible with 0.6's?  (timestamp -> Clock change being the biggest
problem there)

Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support

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