I was reading through configuration tips for cassandra
and decided to use row-cache in order to optimize the read
performance on my cluster.
I have a cluster of 10 nodes, each of them opeartion
with 3 GB off-heap using cassandra 2.4.1. I am doing local quorum
reads, which means that I will hit 3 nodes out of 5 because I
split my 10 nodes into two data-centres.
I was under the impression that since each node gets a
certain range of reads my total amount of off-heap would be 10 * 3
GB = 30 GB. However is this still correct with quorum reads? How
does cassandra handle row-cache hits in combination with quorum