Re: Cassandra with RHEL 8.6

2023-07-27 Thread manish khandelwal
Thanks Tibor. I know that swapping should be disabled, that is a general recommendation. I wanted to know i*f anyone using Cassandra on RHEL faced any issue while moving from Rhel 7.x to Rhel 8.x. * Regards Manish On Thu, Jul 27, 2023 at 2:29 PM Tibor Répási wrote: > That doesn’t sound like a R

Re: Cassandra with RHEL 8.6

2023-07-27 Thread Tibor Répási
That doesn’t sound like a RHEL issue. Swapping can severely impact performance, that’s why it is recommended to turn off swap on Cassandra nodes. This was recommended in the Cassandra documentation by DataStax[1]. Apache Cassandra is testing that and log a warning on startup [2] if swap is found

Cassandra with RHEL 8.6

2023-07-27 Thread manish khandelwal
Has anybody seen issues running Cassandra on RHEL 8.6. I am seeing performance dip while running Cassandra on RHEL8.6. Also with RHEL I am seeing swapping happening in spite of a lot of free memory available. In RHEL 7.9 we did not see any swapping with same workload and same RPM of Cassandra. Anyo