Memcache监控流量脚本

最近写了一个简单的监控memcached流量的shell，希望对大家有帮助。

使用方法很简单 直接更跟IPADDR变量即可。

#!/bin/sh
# By zongzhuangkai
# 2011/06/04

while :
do
#var
if [ -e  $1 ]
then
IPADDR=$1
IPADDR=8.8.8.8
else
IPADDR=$1
fi
PATH=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
export PATH

read_mem_first=`cat /tmp/read_mem_first`
write_mem_first=`cat /tmp/write_mem_first`
read_mem_r=`echo "stats" | nc $IPADDR 12000 |awk '$2 ~ /bytes_read/{print $3}' |cat -v | sed 's/\^M//g'`
write_mem_w=`echo "stats" | nc $IPADDR 12000 |awk '$2 ~ /bytes_written/{print $3}' |cat -v | sed 's/\^M//g'`
read_mem_total=`expr \( $read_mem_r - $read_mem_first \) / 1024`
write_mem_total=`expr \( $write_mem_w - $write_mem_first \) / 1024`
total_mem_wr=`expr $read_mem_total + $write_mem_total`
echo "stats" | nc $IPADDR 12000 |awk '$2 ~ /bytes_read/{print $3}' |cat -v | sed 's/\^M//g' > /tmp/read_mem_first
echo "stats" | nc $IPADDR 12000 |awk '$2 ~ /bytes_written/{print $3}' |cat -v | sed 's/\^M//g' > /tmp/write_mem_first
echo "IP : $IPADDR"
echo "read  kb :" $read_mem_total
echo "write kb :" $write_mem_total
echo "total kb :" $total_mem_wr
sleep 0.8
clear
done