Re: Understanding about Cassandra read repair with QUORUM

2014-01-16 Thread Aaron Morton
I have following understanding about Cassandra read repair: Read Repair is an automatic process that reads from more nodes than necessary during a normal read and checks and repairs differences in the background. It’s different to “repair” or Anti Entropy that you run with nodetool repair.

Understanding about Cassandra read repair with QUORUM

2014-01-11 Thread chovatia jaydeep
Hi, I have following understanding about Cassandra read repair: * If we write with QUORUM and read with QUORUM then we do not need to externally (nodetool) trigger read repair.  * Since we are reading + writing with QUORUM then it is safe to set read_repair_chance=0