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From Sylvain Lebresne <sylv...@datastax.com>
Subject Re: batch isolation
Date Sun, 03 Jun 2012 10:44:03 GMT
On Sun, Jun 3, 2012 at 2:53 AM, Todd Burruss <bburruss@expedia.com> wrote:>
> 1 – does this mean that a batch_mutate that first sends a "row delete"
> mutation on key X, then subsequent insert mutations for key X is isolated?

I'm not sure what you mean by having "a batch_mutate that first sends
... then ...", since a batch_mutate is a single API call.

> 2 – does isolation span column families for the same key  within the same
> batch_mutate?

No, it doesn't span column families (contrarily to atomicity). There
is more details in
http://www.datastax.com/dev/blog/row-level-isolation.

--
Sylvain

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