- JNA is not installed on both machines
30.07.2012, 14:44, "Mateusz Korniak" <mateusz-li...@ant.gliwice.pl>: > On Monday 30 of July 2012, Nikolay Kоvshov wrote: > >> What I plan to compare between 'bad' cluster and 'good' cluster: >> >> - Configs, schemas, data etc: same >> - java version : same >> - RAM and CPU : 'bad' cluster has more >> - Ubuntu version >> - Networking >> - What else??? > > - JNA. If it's working and swapping is disabled for cassandra binary. > - IO subsystem. kernel, io schedulers, performance of IO, HDDs > performance/errors. > > -- > Mateusz Korniak