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From Robert Coli <>
Subject Re: How do you apply (CQL) schema modification patches across a cluster?
Date Tue, 13 Jan 2015 02:07:54 GMT
On Mon, Jan 12, 2015 at 5:46 PM, Sotirios Delimanolis <>

> So do we have to guarantee that the schema change will be backwards
> compatible? Which node should send the schema change query? Should we just
> make all nodes send it and ignore failures?

- "Yes" is the easiest answer.
- Any single node, or an operator. Are you changing schema so frequently
that you really need to automate this process?
- Concurrent identical schema modification has historically meant asking
for trouble, though in theory in the present/future it should be safe.


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