安装memcache集群管理工具

　　　　　　　　　　　　安装memcache集群管理工具magent

一、安装libevent

tar xf libevent-2.0.20-stable.tar.gz
cd libevent-2.0.20
./configure --prefix=/usr/local/libevent
make && make install

echo "/usr/local/libevent/lib" > /etc/ld.so.conf.d/libevent.conf
ldconfig 

二、安装magent

mkdir /usr/local/magent
tar xf magent-0.5.tar.gz -C  /usr/local/magent
/sbin/ldconfig 
cd /usr/local/magent/

vim Makefile
LIBS = -levent -lm -L /usr/local/libevent/lib
INCLUDE = -I /usr/local/libevent/include
CFLAGS = -Wall -O2 -g
CC = gcc
PROGS = magent
..........(以下省略)

vim ketama.h   (在文件起始行加下以下代码)
#ifndef SSIZE_MAX 
#define SSIZE_MAX 32767 
#endif

ln -sv /usr/local/libevent/lib/libevent-2.0.so.5 /usr/lib/
cp magent /usr/bin/magent

查看是否安装成功及使用

命令帮助

Usage:
  -h this message
  -u uid
  -g gid
  -p port, default is 11211. (0 to disable tcp support)
  -s ip:port, set memcached server ip and port
  -b ip:port, set backup memcached server ip and port
  -l ip, local bind ip address, default is 0.0.0.0
  -n number, set max connections, default is 4096
  -D don't go to background
  -k use ketama key allocation algorithm
  -f file, unix socket path to listen on. default is off
  -i number, set max keep alive connections for one memcached server, default is 20
  -v verbose

示例：

magent -u root -n 2048 -l 10.1.1.244 -p 8888 -s 10.1.1.244 -s 10.1.1.245
telnet 10.1.1.244 8888
stats
memcached agent v0.4
matrix 1 -> 10.1.1.244:11211, pool size 0
matrix 2 -> 10.1.1.245:11211, pool size 0
END
quit