I want to throttle down interrupt processing due incoming TCP traffic between two VMs. I'm not hitting speeds documented by VMware of 27Gb/sec and interrupts are running 50K/second, so I wanted to reduce the speed of interrupt processing to try and increase bandwidth. (this is ESX 4.1 with VMXNET3 ) The parameter intr_throttling is documented as modifying the interrupt handling: http://www.solarisinternals.com/wiki/index.php/Networks I changed it from 200 to 20000 but the interrupt rate for the same throughput stays the same around 50K/sec. I set the parameter in /etc/system but I don't see any way to check it with mdb or ndd. Is there a way to verify it's current value?
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