Sorry, this is incorrect. The right answer is, "it's normal to see 'newer version' messages when mixing versions, until the newer node realizes via gossip what version the old node is on and adjusts its messages accordingly."
On Mon, Jun 20, 2011 at 8:57 AM, Jonathan Ellis <jbel...@gmail.com> wrote: > Yes, rolling upgrades are supported but streaming (repair, bootstrap, > move) is only supported when everyone is on the same version. (Same > was true for 0.7 -> 0.8.0) > > On Mon, Jun 20, 2011 at 6:58 AM, Shotaro Kamio <kamios...@gmail.com> wrote: >> Hi, >> >> NEWS.txt claims that rolling upgrade works. >> Upgrading >> --------- >> - 0.8.1 is backwards compatible with 0.8, upgrade can be achieved by a >> simple rolling restart. >> ------ >> >> However, we got following messages when rolling upgrade from 0.8.0 >> based binary to 0.8 branch binary. Our data feeder got a lot of >> timeout exception during the upgrade. >> Is there a message version incompatibility? Looks like CASSANDRA-2280 >> changes message version number. >> >> ------ >> INFO [Thread-1264] 2011-06-20 18:27:05,295 IncomingTcpConnection.java >> (line 103) Received connection from newer protocol version. Ignorning >> message. >> INFO [Thread-1263] 2011-06-20 18:27:05,324 IncomingTcpConnection.java >> (line 103) Received connection from newer protocol version. Ignorning >> message. >> INFO [Thread-1264] 2011-06-20 18:27:05,755 IncomingTcpConnection.java >> (line 103) Received connection from newer protocol version. Ignorning >> message. >> ------ >> >> Regards, >> Shotaro >> >> >> On Thu, Jun 16, 2011 at 6:38 PM, Sylvain Lebresne <sylv...@datastax.com> >> wrote: >>> It's the two weeks anniversary of the release of Cassandra 0.8.0. And in the >>> meantime there has been a fair number of bug fixes and improvements. >>> >>> I thus propose the following artifacts for release as 0.8.1. >>> >>> SVN: >>> https://svn.apache.org/repos/asf/cassandra/branches/cassandra-0.8@r1136328 >>> Artifacts: >>> https://repository.apache.org/content/repositories/orgapachecassandra-019/org/apache/cassandra/apache-cassandra/0.8.1/ >>> Staging repository: >>> https://repository.apache.org/content/repositories/orgapachecassandra-019/ >>> >>> The artifacts as well as a debian package are also available here: >>> http://people.apache.org/~slebresne/ >>> >>> Note that this release does not include any update of the CQL drivers and >>> those are thus not included in the artifacts. Releases of the CQL drivers >>> will >>> now be decorrelated of the core Cassandra releases and vote for those will >>> be >>> called separately. >>> >>> The vote will be open for 72 hours (longer if needed). >>> >>> [1]: http://goo.gl/Vnau4 (CHANGES.txt) >>> [2]: http://goo.gl/Ihb0U (NEWS.txt) >>> >>> -- >>> Sylvain >>> >> >> >> >> -- >> Shotaro Kamio >> > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of DataStax, the source for professional Cassandra support > http://www.datastax.com > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
