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