Users Guide

12–Configuração do NVMe-oF com RDMA
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220 AH0054602-08 F
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
Para configurar a rede ou as definições de memória:
sysctl -w net.ipv4.tcp_mem="16777216 16777216 16777216"
sysctl -w net.ipv4.tcp_wmem="4096 65536 16777216"
sysctl -w net.ipv4.tcp_rmem="4096 87380 16777216"
sysctl -w net.core.wmem_max=16777216
sysctl -w net.core.rmem_max=16777216
sysctl -w net.core.wmem_default=16777216
sysctl -w net.core.rmem_default=16777216
sysctl -w net.core.optmem_max=16777216
sysctl -w net.ipv4.tcp_low_latency=1
sysctl -w net.ipv4.tcp_timestamps=0
sysctl -w net.ipv4.tcp_sack=1
sysctl -w net.ipv4.tcp_window_scaling=0
sysctl -w net.ipv4.tcp_adv_win_scale=1
# echo noop > /sys/block/nvme0n1/queue/scheduler
# echo 0 > /sys/block/nvme0n1/queue/add_random
# echo 2 > /sys/block/nvme0n1/queue/nomerges
NOTA
Os comandos a seguir se aplicam somente ao servidor iniciador.