Re: High RecentWriteLatencyMicro

2012-07-16 Thread aaron morton
The write path for counters is different than non counter fields, for background http://www.datastax.com/wp-content/uploads/2011/07/cassandra_sf_counters.pdf The write is applied on the leader *and then* replicated to the other replicas. This was controlled by a config setting called replicate

High RecentWriteLatencyMicro

2012-07-12 Thread rohit bhatia
Hi As I understand that writes in cassandra are directly pushed to memory and using counters with CL.ONE shouldn't take the read latency for counters in account. So Writes for incrementing counters with CL.ONE should basically be really fast. But in my 8 node cluster(16 core/32G ram/cassandra1.0.