altas mysql-proxy 配置读写分离

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Altas software is a upgrade version of mysql-proxy, whose function is the same as mysql-proxy.
Where can you get it ?
Altas 2.2.1
RPM:
https://github.com/Qihoo360/Atlas/releases/download/2.2.1/Atlas-2.2.1.el5.x86_64.rpm
https://github.com/Qihoo360/Atlas/releases/download/2.2.1/Atlas-2.2.1.el6.x86_64.rpm
Source code:
https://github.com/Qihoo360/Atlas/archive/2.2.1.zip
How do you install alts 2.2.1?
For rpm:
rpm -ivh Altas-2.2.1.el6x86_64.rpm
For source code:
./configure --prefix=/usr/local/mysql-proxy
make && make install
How to configure it.
1. Edit altas mysql-proxy configuration file which locates at /usr/local/mysql-proxy/conf
cat  test.cnf | grep -v '^#' | grep -v '^$' > mysql-proxy.cnf

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vim mysql-proxy.cnf [mysql-proxy] #带#号的为非必需的配置项目 #管理接口的用户名 admin-username = user #管理接口的密码 admin-password = pwd #Atlas后端连接的MySQL主库的IP和端口，可设置多项，用逗号分隔 proxy-backend-addresses = 127.0.0.1:3306 #Atlas后端连接的MySQL从库的IP和端口，@后面的数字代表权重，用来作负载均衡，若省略则默认为1，可设置多项，用逗号分隔 #proxy-read-only-backend-addresses = 127.0.0.1:3305@1 #用户名与其对应的加密过的MySQL密码，密码使用PREFIX/bin目录下的加密程序encrypt加密，下行的user1和user2为示例，将其替换为你的MySQL的用户名和加密密码！ pwds = user1:+jKsgB3YAG8=, user2:GS+tr4TPgqc= #设置Atlas的运行方式，设为true时为守护进程方式，设为false时为前台方式，一般开发调试时设为false，线上运行时设为true,true后面不能有空格。 daemon = true #设置Atlas的运行方式，设为true时Atlas会启动两个进程，一个为monitor，一个为worker，monitor在worker意外退出后会自动将其重启，设为false时只有worker，没有monitor，一般开发调试时设为false，线上运行时设为true,true后面不能有空格。 keepalive = true #工作线程数，对Atlas的性能有很大影响，可根据情况适当设置 event-threads = 8 #日志级别，分为message、warning、critical、error、debug五个级别 log-level = message #日志存放的路径 log-path = /usr/local/mysql-proxy/log #SQL日志的开关，可设置为OFF、ON、REALTIME，OFF代表不记录SQL日志，ON代表记录SQL日志，REALTIME代表记录SQL日志且实时写入磁盘，默认为OFF #sql-log = OFF #慢日志输出设置。当设置了该参数时，则日志只输出执行时间超过sql-log-slow（单位：ms)的日志记录。不设置该参数则输出全部日志。 #sql-log-slow = 10 #实例名称，用于同一台机器上多个Atlas实例间的区分 #instance = test #Atlas监听的工作接口IP和端口 proxy-address = 0.0.0.0:1234 #Atlas监听的管理接口IP和端口 admin-address = 0.0.0.0:2345 #分表设置，此例中person为库名，mt为表名，id为分表字段，3为子表数量，可设置多项，以逗号分隔，若不分表则不需要设置该项 #tables = person.mt.id.3 #默认字符集，设置该项后客户端不再需要执行SET NAMES语句 #charset = utf8 #允许连接Atlas的客户端的IP，可以是精确IP，也可以是IP段，以逗号分隔，若不设置该项则允许所有IP连接，否则只允许列表中的IP连接 #client-ips = 127.0.0.1, 192.168.1 #Atlas前面挂接的LVS的物理网卡的IP(注意不是虚IP)，若有LVS且设置了client-ips则此项必须设置，否则可以不设置 #lvs-ips = 192.168.1.1

2. How to start altas mysql-proxy
Execute the command which is "/usr/local/mysql-proxy/bin/mysql-proxy  --defaults-file=/usr/local/mysql-proxy/conf/mysql-proxy.cnf".
3.Configure altas mysql-proxy engine startting shell.

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vim /etc/init.d/mysql-proxyd #!/bin/bash # # altas mysql-proxy This script starts and stops the mysql-proxy daemon # # chkconfig: - 78 30 # processname: mysql-proxy # description: altas mysql-proxy is a proxy daemon to mysql # config: /usr/local/mysql-proxy/conf/mysql-proxy.cnf # pidfile: /usr/local/mysql-proxy/mysql-proxy.pid # DAEMON="/usr/local/mysql-proxy/bin/mysql-proxy" CONFIGFILE="/usr/local/mysql-proxy/conf/mysql-proxy.cnf" PIDFILE="/usr/local/mysql-proxy/mysql-proxy.pid" LOCKFILE="/var/lock/subsys/mysql-proxy" PROG=`basename $DAEMON` RETVAL=0 start() { echo -n $"Starting ${PROG}......" [ -x $DAEMON ] || exit 5 [ -f $CONFIGFILE ] || exit 6 ${DAEMON} --defaults-file=${CONFIGFILE} || echo -n "${PROG} already running" RETVAL=$? echo [[ $RETVAL -eq 0 ]] && touch $LOCKFILE return $RETVAL } stop() { echo -n $"Stopping ${PROG}......" if [[ `ps aux | grep bin/mysql-proxy | grep -v grep | wc -l` -gt 0 ]]; then kill -TERM `ps -A -oppid,pid,cmd | grep bin/mysql-proxy | grep -v grep | awk '{print $2}'` fi RETVAL=$? echo [[ $RETVAL -eq 0 ]] && rm -f $LOCKFILE $PIDFILE return $RETVAL } restart() { stop sleep 1 start } case "$1" in start) start ;; stop) stop ;; restart) restart ;; condrestart) [[ -e $LOCKFILE ]] && restart ;; *) echo "Usage: $0 {start|stop|restart|condrestart}" RETVAL=1 ;; esac exit $RETVAL chmod u+x /etc/init.d/mysql-proxyd