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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # 網卡中斷設置 密集網絡IO的服務器,需要設置網卡中斷來解決性能瓶頸。通過使用`top`觀察每個核的`si`是否很高。如果處理網絡中斷的CPU達到瓶頸,將會影響網卡收發包,嚴重的情況下會出現大量丟包。通過下面的腳本,可以將軟中斷平均到CPU的每個核上,解決網卡中斷瓶頸問題。 > `ffffff`這里是根據CPU核數進行計算的 ~~~ #!/bin/bash # Enable RPS (Receive Packet Steering) rfc=4096 cc=$(grep -c processor /proc/cpuinfo) rsfe=$(echo $cc*$rfc | bc) sysctl -w net.core.rps_sock_flow_entries=$rsfe for fileRps in $(ls /sys/class/net/eth*/queues/rx-*/rps_cpus) do echo ffffff > $fileRps done for fileRfc in $(ls /sys/class/net/eth*/queues/rx-*/rps_flow_cnt) do echo $rfc > $fileRfc done tail /sys/class/net/eth*/queues/rx-*/{rps_cpus,rps_flow_cnt} ~~~
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