There are two thrift calls, batch_mutate and atomic_batch_mutate . Check with your favourite thrift client to see how it handles it. 


Aaron Morton
Freelance Cassandra Developer
New Zealand


On 6/12/2012, at 7:31 AM, Andrey Ilinykh <> wrote:

Hello, everybody!
I have read blog about atomic batches in 1.2
It mentioned that atomic batches are by default starting 1.2. Also it said CQL allows to switch it off. How can I manipulate this setting using thrift API?

Thank you,

On Tue, Dec 4, 2012 at 10:51 AM, Sylvain Lebresne <> wrote:
The Cassandra team is pleased to announce the release of the third beta for
the future Apache Cassandra 1.2.0.

Let me first stress that this is beta software and as such is *not* ready for
production use.

This release is still beta and as such may contain bugs. Any help testing
this beta would be gladely appreciated and if you were to encounter any problem
during your testing, please report[3,4] them. Be sure to a look at the change
log[1] and the release notes[2] to see where Cassandra 1.2 differs from the
previous series.

Apache Cassandra 1.2.0-beta3[5] is available as usual from the cassandra
website ( and a debian package is
available using the 12x branch (see

Thank you for your help in testing and have fun with it.

[1]: (CHANGES.txt)
[2]: (NEWS.txt)