For #2 There are tow mutates in thrift batch_mutate and atomic_batch_mutate. The atomic version was just added. If you care more about the performance do not use the atomic version..
On Sat, Apr 6, 2013 at 12:03 AM, Matt K <infinitelimittes...@gmail.com>wrote: > Hi, > > I have an application that does batch (counter) writes to multiple CFs. > The application itself is multi-threaded and I'm using C* 1.2.2 and > Astyanax driver. Could someone share insights on: > > 1) When I see the cluster write throughput graph in opscenter, the number > is not reflective of actual number of writes. For example: If I issue a > single batch write ( internally have 5 mutation ), is the opscenter/JMX > cluster/node writes suppose to indicate 1 or 5 ? ( I would assume 5 ) > > 2) I read that from C* 1.2.x, there is atomic counter batches which can > cause 30% performance hit - wondering if this applicable to existing thrift > based clients like Astyanax/Hector and if so, what is the way to turn it > off? Any server side settings too? > > Thanks! >
