Users Guide

12–RDMA 를 사용한 NVMe-oF 구성
성능 최적화
210 AH0054602-03 F
echo "$eth: ${NUM} (${NUM_FP} fast path) starting irq ${INT}"
CPUID=$((CPUID*OFFSET))
for ((A=1; A<=${NUM_FP}; A=${A}+1)) ; do
INT='grep -m $A $eth /proc/interrupts | tail -1 | cut -d ":" -f 1'
SMP='echo $CPUID 16 o p | dc'
echo ${INT} smp affinity set to ${SMP}
echo $((${SMP})) > /proc/irq/$((${INT}))/smp_affinity
CPUID=$((CPUID*FACTOR))
if [ ${CPUID} -gt ${MAXCPUID} ]; then
CPUID=1
CPUID=$((CPUID*OFFSET))
fi
done
done
CPU 주파수 (cpufreq.sh)
다음은 CPU 주파수를 설정하는 스크립트입니다 .
#Usage "./nameofscript.sh"
grep -E '^model name|^cpu MHz' /proc/cpuinfo
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do [ -f
$CPUFREQ ] || continue; echo -n performance > $CPUFREQ; done
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
네트워크 또는 메모리 설정을 구성하려면
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