Description of problem: Severe degradation of throughput is observed for ConnectX6-LX and BF-2 (ConnectX mode) with RHEL 8.6 OVS HWOL as compared to throughput on ConnectX-5 and ConnectX6-Dx NICs. Following is the link to the test results. The performance degradation is more severe for 10k flows as compared to 1k flows. https://docs.google.com/spreadsheets/d/1j6dHdj3V47UJyXL5bm4zoV349ia1ZCzDXX-dRwvSc2E/edit#gid=653599643 Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
This needs to be discussed with Nvidia. I don't see any reasons for this to happen, other than possibly different FW configs. Can we share this spreadsheet with them as well? I can add the relevant people if needed once I get an ack.
I have the impression that this shares a root cause with https://bugzilla.redhat.com/show_bug.cgi?id=2143570 10k flows can put a toll on it.