4 ms·
Yes - use taskset or isolcpus with other magic to put sshd on its own CPU core, or one core per CPU. Lots of HFT places do that.
by bpchaps 7y ago
Yes - use taskset or isolcpus with other magic to put sshd on its own CPU core, or one core per CPU. Lots of HFT places do that.
- dnautics 7y agoThat doesn't help if the problem is a bandwidth congestion problem.
- bpchaps 7y agoIt can help some amount, though. Bind the NIC interrupts to a small handful of cores. Or, ensure that ssh only works through a management NIC, and have that NIC bound to the same cores as sshd. You can get really fancy with these setups, especially when working with NUMA stuffs