>From cfstats: SSTable count: 3 Space used (live): 4951669191 Space used (total): 5237040637 Memtable Columns Count: 190266 Memtable Data Size: 23459012 Memtable Switch Count: 89 Read Count: 0 Read Latency: NaN ms. Write Count: 13307292 Write Latency: 0.045 ms. Pending Tasks: 0 Key cache capacity: 200000 Key cache size: 0 Key cache hit rate: NaN Row cache: disabled Compacted row minimum size: 446 Compacted row maximum size: 111524663 Compacted row mean size: 880
A Write Latency of .045 ms should translate into > 22,000 writes per second, yet my 80 threads pumping data at this node, do good to get to 6000/second and the machine sending the writes is 97% idle. I have 3 nodes, with a replication factor of 2.