一段分析Memcached每秒读写脚本
一段分析Memcached每秒读写脚本#!/bin/bash
if [ $# -lt 2 ]
then
echo "usage: $0 ip port "
echo "example: $0xxx.xxx.xxx.xxx 11211 cmd_get"
exit 1
fi
mc_ip=$1
shift
mc_port=$1
shift
if [ -n $1 ]; then
cmd=$1
else
cmd="cmd_get"
fi
count1=`(echo stats;sleep 0.001;echo quit)|nc $mc_ip $mc_port|grep "$cmd"|awk -F" " '{print $3}'|awk -F"\r" '{print $1}'`
echo "now $cmd: $count1"
while : ; do
count1=`(echo stats;sleep 0.001;echo quit)|nc $mc_ip $mc_port|grep "$cmd"|awk -F" " '{print $3}'|awk -F"\r" '{print $1}'`
sleep 1
count2=`(echo stats;sleep 0.001;echo quit)|nc $mc_ip $mc_port|grep "$cmd"|awk -F" " '{print $3}'|awk -F"\r" '{print $1}'`
#((res=$count2-$count1))
res=`echo "scale=0;$count2-$count1"|bc`
echo $res
done
结果类似：
获取每秒get命令数量
http://blog.运维网.com/attachment/201308/145536345.png
获取每秒set命令数量
http://blog.运维网.com/attachment/201308/145539800.png
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