Streaming is repair, adding & removing nodes. In general it's a bad idea to do any streaming op when you've got an upgrade in progress.
On Tue, Mar 24, 2015 at 3:14 AM Jason Wee <peich...@gmail.com> wrote: > Hello, > > Reading this documentation http://www.datastax.com/docs/ > 1.1/install/upgrading > > If you are upgrading to Cassandra 1.1.9 from a version earlier than > 1.1.7, all nodes must be upgraded before any streaming can take place. > Until you upgrade all nodes, you cannot add version 1.1.7 nodes or > later to a 1.1.7 or earlier cluster. > > Does this apply for upgrade to cassandra 1.1.12 ? > > What is cassandra streaming ? Is repair (nodetool or background), > hinted handoff, antientropy consider streaming? if yes, how do we > prevent streaming after a node is upgraded to 1.1.12 in a 1.0.12 > cluster environment? > > Thanks. > > Jason >
