See http://wiki.apache.org/cassandra/FAQ#batch_mutate_atomic
Cheers ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 16 Jun 2011, at 06:26, chovatia jaydeep wrote: > Cassandra write operation is atomic for all the columns/super columns for a > given row key in Column Family. So in your case not all previous operations > (assuming each operation was on separate key) will be reverted. > > Thank you, > Jaydeep > > From: Artem Orobets <artem.orob...@exigenservices.com> > To: "user@cassandra.apache.org" <user@cassandra.apache.org> > Cc: Andrey Lomakin <andrey.loma...@exigenservices.com> > Sent: Wednesday, 15 June 2011 7:42 AM > Subject: Atomicity of batch updates > > Hi, > Wiki says that write operation is atomic within ColumnFamily > (http://wiki.apache.org/cassandra/ArchitectureOverview chapter “write > properties”). > If I use batch update for single CF, and get an exception in last mutation > operation, is it means that all previous operation will be reverted. > If no, what means atomic in this context? > >
