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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: upgrading to cassandra 0.8
Date Tue, 07 Jun 2011 15:28:17 GMT
Even schema changes *should* work, although to be safe, the less
"unusual" stuff you do with a mixed-version cluster, the better.

However, any kind of streaming (bootstrap, node movement,
decommission, nodetool repair) will not work.

On Tue, Jun 7, 2011 at 10:07 AM, Edward Capriolo <edlinuxguru@gmail.com> wrote:
>
>
> On Tue, Jun 7, 2011 at 10:54 AM, Sasha Dolgy <sdolgy@gmail.com> wrote:
>>
>> Hi,
>>
>> Good news on the 0.8 release.  So ... if I upgrade one node out of four,
>> and let it run for a bit ... I should have no issues, correct?  If I make
>> schema changes, specifically, adding a new column family for counters, how
>> will this behave with the other three nodes that aren't upgraded?  Or ...
>> should schema changes not be done until all nodes are upgraded?
>>
>> --
>> Sasha Dolgy
>> sasha.dolgy@gmail.com
>
> Do not make schema changes until the upgrade is complete. It will behave
> very poorly I suspect, and you will be sad.
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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