#!/usr/bin/python2.6 #coding=utf-8 from aliyunsdkcore import client from aliyuns...
二、主从同步原理 从mysql官方文档中可以看出,主从复制有三个线程参与,并且都是单线程,分别是主库的Binlog dump线程、从库的io线程和从库的sql线程。...https://www.cnblogs.com/rxysg/p/15687977.html https://aws.amazon.com/cn/premiumsupport/knowledge-center/rds-instance-high-cpu...www.cnblogs.com/caibird2005/p/4308317.html https://aws.amazon.com/cn/premiumsupport/knowledge-center/rds-mysql-high-replica-lag.../ https://wangchujiang.com/linux-command/c/dstat.html https://blog.imdst.com/mysql-zhu-cong-tong-bu-yan-chi-de-yuan-yin-ji-jie-jue-ban-fa
前言 有了keepalived和mysql upgrade的技术作基础，可以结合两者完成无逢升级 下面分享一下我的 Best Practice Of Mysql Migration ---- 概要 --...-- 准备工作 下面步骤最好作为准备工作，提前完成，这样可以更有效进行切换，和减少窗口期 挂载NFS 安装软件包的收集(mysql,xtrabackup,keepalived) 安装keepalived
背景 在实际数据同步的场景中，大多的需求是迁移。这种情况下，如果表的数量很多的话，那数据同步的成本是非常大的，因为目标端需要提前构建出全部的表结构。...misc.h inflating: rds_dbsync-master/dbsync/my.cfg inflating: rds_dbsync-master/dbsync/mysql2pgsql.c.../doc/mysql2gp.md inflating: rds_dbsync-master/doc/mysql2pgsql_ch.md inflating: rds_dbsync-master.../doc/mysql2pgsql_en.md inflating: rds_dbsync-master/doc/pgsql2pgsql_ch.md inflating: rds_dbsync-master...全库迁移 1. 通过如下命令，获取目的端对应表的DDL。 [root@VM-5-48-centos dbsync]# .
新版master上安装并启动keepalived 安装并启动keepalived [root@new-master ~]# yum -y install ke...
要确保mysql 数据库的 datadir是清空的，否则会报错 [root@slave02 data]# cat restore.log nohup: ignoring input Warning:.../usr/bin/innobackupex version 2.3.2 based on MySQL server 5.6.24 Linux (x86_64) (revision id: 306a2e0...) Original data directory /var/lib/mysql is not empty!...) Original data directory /var/lib/mysql is not empty!...开头的文件 如： .bash_history .lesshst .mysql_history .viminfo 要指明删，如 rm -rf .bash_history .lesshst .mysql_history
修改zabbix统计数据过期时间 [root@new-master mysql]# vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh...[root@new-master mysql]# grep 120 /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh if...[ `expr $TIMENOW - $TIMEFLM` -gt 120 ]; then [root@new-master mysql]# 修改之前是300,也就是5分钟,这个监控粒度太粗,所以改为...-4.013-3.el6.x86_64 has missing requires of libmysqlclient.so.16()(64bit) perl-DBD-MySQL-4.013-3.el6....x86_64 has missing requires of libmysqlclient.so.16(libmysqlclient_16)(64bit) php-mysql-5.3.3-40.el6_
前言：了解RDS服务和相关配置以及原理。 目录 一.什么是RDS 二.部署RDS 服务 1. 微软公司的 RDS 远程桌面服务: 2....RDS 采用 c/s 模式 三.远程数据服务 四.部署windows RDS 服务 1.部署条件 2.部署类型 3.部署方案 4.角色服务 五.配置 RDS 六.安装步骤 ---- 一.什么是RDS...在RDS 服务器上集中部署应用程序，以虚拟化的方式为用户提供访问，而用户端不需要安装 任何应用程序 2. RDS 采用 c/s 模式 C/S分布式模式，是计算机用语。...1RDS 采用 c/s 模式,RDS 的终端， 连接RDS 服务器的用户端设备 2从键盘或者鼠标接受用户输入，将这些输入发动给RDS 服务器 3主机处理用户的输入...1.部署条件 Active Directory是部署Windows RDS服务的必要条件 客户机与RDS服务器加入同一域中 条件 DC 域环境， 安装并配置了 CA 证书服务 选择 远程桌面服务安装和配置
myisam_recover_options [testuser@slave01 etc]$ innodb_additional_mem_pool_size 也已经被弃用了,如果有要注释掉 ---- 将zabbit加入mysql...组以方便监控 [root@new-master mysql]# vim /etc/group [root@new-master mysql]# id zabbix uid=496(zabbix) gid...=493(zabbix) groups=493(zabbix),492(mysql) [root@new-master mysql]# /etc/init.d/zabbix-agent restart...]# ---------- [root@zabbix-server ~]# zabbix_get -s new-master -p 10050 -k "mysql.slowlog[100,/var/lib.../mysql/new-master-slow.log]" 2.98465 [root@zabbix-server ~]#
innobackupex: Backup created in directory '/data/nfs/test_full_backup/2015-12-09_00-53-03' innobackupex: MySQL...binlog position: filename 'mysql-bin.000004', position 8299670 151209 02:06:09 innobackupex: Connection
]# chown -R mysql.mysql /var/lib/mysql/ [root@slave02 mysql]# ll total 5916780 drwx------ 2 mysql mysql...---- 2 mysql mysql 36864 Dec 9 03:57 mysqltestt_db drwx------ 2 mysql mysql 4096 Dec 9 03...drwx------ 2 mysql mysql 4096 Dec 9 02:52 ijavadb drwx------ 2 mysql mysql 12288 Dec 9...4096 Dec 9 02:45 mysql drwx------ 2 mysql mysql 4096 Dec 9 02:49 testdb drwx------ 2 mysql mysql...mysql mysql 20480 Dec 9 03:08 /data/mysql/ [root@slave02 mysql]#
[root@slave01 data]# cd /var/lib/mysql/ [root@slave01 mysql]# ls livedb slave01-relay-bin.000308...javadb ijavadb mysql-bin.000154 mysql-bin.000159 relay-log.info backup-my.cnf slave01-relay-bin....000309 ibdata1 wavedb mysql-bin.000155 mysql-bin.000160 functiondb mysqltest_his slave01...-relay-bin.index ib_logfile0 master.info mysql-bin.000156 mysql-bin.index test mysqltestt_db...ib_logfile2 mysql mysql-bin.000158 keydb [root@slave01 mysql]# rm -rf * [root@slave01 mysql
/tmp/old /tmp/new id zabbix /etc/init.d/zabbix-agent restart zabbix_get -s new-master -p 10050 -k "mysql.slowlog...[100,/var/lib/mysql/new-master-slow.log]" vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh...grep 120 /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh yum install libev rpm -e xtrabackup...test_full_backup/2015-12-09_00-53-03/ >> restore.log 2>&1 & tail -f restore.log watch -n 2 du -sh /data/mysql.../ cat xtrabackup_binlog_pos_innodb chown -R mysql.mysql /var/lib/mysql/ 原文地址
更新slave mysql版本 [root@slave02 src]# rpm -e Percona-Server-client-51-5.1.73-rel14.11.603.rhel6.x86_64...rhel6.x86_64 Percona-Server-shared-51-5.1.73-rel14.11.603.rhel6.x86_64 error: Failed dependencies: mysql...-4.013-3.el6.x86_64 libmysqlclient.so.16()(64bit) is needed by (installed) php-mysql-5.3.3-40.el6_6....-4.013-3.el6.x86_64 libmysqlclient.so.16(libmysqlclient_16)(64bit) is needed by (installed) php-mysql...SONAME 'libfnv1a_udf.so'" mysql -e "CREATE FUNCTION fnv_64 RETURNS INTEGER SONAME 'libfnv_udf.so'" mysql
启动mysql并且开启同步 [root@slave02 mysql]# mysql -u root -p Enter password: Welcome to the MySQL monitor....Your MySQL connection id is 1 Server version: 5.6.27-75.0-log Percona Server (GPL), Release 75.0, Revision...mysql> show slave status\G Empty set (0.00 sec) mysql> CHANGE MASTER TO MASTER_HOST='192.168.66.100'...[100,/var/lib/mysql/new-master-slow.log]" vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh.../ cat xtrabackup_binlog_pos_innodb chown -R mysql.mysql /var/lib/mysql/ 原文地址
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