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xiaodong wang commented on CASSANDRA-8110: ------------------------------------------ Hi, I have been facing the same issue while upgrading the C* from 2.1.x to 3.x. Streaming isn't feasible due to the mismatch StreamMessage.CURRENT_VERSION. And the CASSANDRA-10990 also blocks the offline snapshot -> upload approach,@Yuki Morishita could you please share the status of this issue? Thanks! > Make streaming backwards compatible > ----------------------------------- > > Key: CASSANDRA-8110 > URL: https://issues.apache.org/jira/browse/CASSANDRA-8110 > Project: Cassandra > Issue Type: Improvement > Components: Streaming and Messaging > Reporter: Marcus Eriksson > Labels: gsoc2016, mentor > Fix For: 3.x > > > To be able to seamlessly upgrade clusters we need to make it possible to > stream files between nodes with different StreamMessage.CURRENT_VERSION -- This message was sent by Atlassian JIRA (v6.3.4#6332)