Is you client balancing between the two nodes ? Heavy writes at CL ONE could
result in nodes dropping messages and having an unbalanced load.
Are you sure there is nothing else running on the machines ?
Just for fun have you turned off GC logging to see the impact ?
Is there swapping going on
I am having an issue where one node of a 2 node cluster seems to be using
much more I/O than the other node. the cassandra read/write requests seem
to be balanced, but iostat shows the data disk to be maxed at 100%
utilization for one machine and <50% for the other. r/s to be about 3x
greater on th