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willejs/gist:7101360

Created October 22, 2013 14:05
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enable RPS ec2
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gistfile1.txt
### bind different buffers to different cores using multi queue networking
### http://engineering.pinterest.com/post/53467339970/building-pinterest-in-the-cloud
### reduces effects of irq affinity on EC2/Xen
execute "rps_cpu" do
command "echo f > /sys/class/net/eth0/queues/rx-0/rps_cpus"
user "root"
group "root"
not_if "grep 1 /sys/class/net/eth0/queues/rx-0/rps_cpus"
action :run
end
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