Thank you Sylvain for the very clear explanations
On Tue, Jun 17, 2014 at 2:44 PM, Sylvain Lebresne <sylv...@datastax.com> wrote: > > >> 1) Who is responsible for this micro-second timestamp ? The coordinator >> which receives the insert request or each replica which actually do persist >> the data ? >> > > The coordinator. > > >> >> 2) In a case of a batch insert (CQL3 batch, not batch mutation Thrift >> API), if no user defined timestamp is set, neither on the batch statement >> nor on each individual statement, will C* generate a SAME timestamp for >> each individual statement in the batch or will there distinct timestamps ? >> > > All the sub-statements will have the same timestamp. > > -- > Sylvain >
