I have been debugging 'slowness' with support, but wanted to check in to see what real clusters see for qlen and utilization on mnvi0. Anyone willing to look at iostat -x and see if you also see high qlen and 100% utilization? Support can't validate that this is a problem with their unused test clusters (utilization is low for them, but they also do not have real traffic to play with)
Looking with isi_for_array, I can see lots of nodes with over 4 billion transactions
