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采用Atlas mysql 读写分离工具

时间:2021-07-01 10:21:17 帮助过:26人阅读

2000时,atlas会提示I have no server backend,closing connection。判断应为mysql不能及时提供空闲连接导致,但atlas并未出现任何瓶颈。但是,atlas自身没有断开mysql连接的设置,完全依赖于mysql自身的超时时间。

其读写分离策略是除了完全的读请求,其余的都会将请求发给主库。

测试脚本:

#!/bin/bash

#***For pressure test Atlas***

date +"%H:%M:%S"

for ((i=0;i<1500;i++));do

{

num=`echo $RANDOM`

mysql -ushanks -p51cto -h192.168.122.100 -P8306 zabbix -e "insert into test_atlas values(\"${num}\")"

} &

done

date +"%H:%M:%S"


配置文件:

[mysql-proxy]

plugins = admin,proxy

admin-username = admin

admin-password = DD@123

admin-lua-script = /usr/local/mysql-proxy/lib/mysql-proxy/lua/admin.lua

proxy-backend-addresses = 172.16.220.242:3306

proxy-read-only-backend-addresses = 172.16.220.243:3306@2

daemon = true

keepalive = true

event-threads = 4

log-level = message

log-path = /usr/local/mysql-proxy/log

instance = test

proxy-address = 0.0.0.0:8306

admin-address = 0.0.0.0:8307

min-idle-connections = 128

#tables = person.mt.id.3

#pwds = 8Z9V7iLZoR0=

charset = utf8


本文出自 “目标:印度” 博客,请务必保留此出处http://shunzi115.blog.51cto.com/5184443/1825940

采用Atlas mysql 读写分离工具

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