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From Evan Weaver <>
Subject Re: lazy boy example using column family
Date Mon, 27 Jul 2009 16:13:29 GMT
Transferring this over to dev.

I think it's unacceptable to have to restart the entire cluster under
any circumstances aside from code upgrades, even if the operation in
question is "rare". Note that in column-oriented use, adding or
removing a CF is not rare at all.

Let's not turn a bug into a feature, here. More usability is never bad.


On Mon, Jul 27, 2009 at 12:38 AM, Mark Robson<> wrote:
> 2009/7/27 <>
>> i m trying to use cassandra in a mode where everytime i create a new
>> columnfamily i do not want to restart all the nodes
> In my opinion you should not be doing that anyway.
> Because families can have as many columns as you like anyway, it should not
> normally be necessary to create new families. And when you do, it will
> probably be part of a major release that will have some impact on your
> infrastructure.
> You should define an operational procedure for restarting all the nodes for
> occasional use by ops engineers; they could choose to automate it.
> Restarting all nodes isn't that onerous provided it's not done too often.
> It's not going to take > a few hours, even if you have quite a few.
> Mark

Evan Weaver

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