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From Jonathan Haddad <...@jonhaddad.com>
Subject Re: upgrade from 1.0.12 to 1.1.12
Date Tue, 24 Mar 2015 17:04:57 GMT
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 <peichieh@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
>

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