mariadb主从同步
本文是搭建的mariadb-10.0.17版本的下载地址：https://downloads.mariadb.org/interstitial/mariadb-10.0.17/source/mariadb-10.0.17.tar.gz/from/http%3A//ftp.hosteurope.de/mirror/archive.mariadb.org/?serve
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master：192.168.1.166
slave：192.168.1.165
1.创建MySQL普通账号，设置数据库存储数据的目录，设置权限
[root@zsxyweb3 ~]# groupadd -r mysql
[root@zsxyweb3~]# useradd -r -g mysql -s /sbin/nologin mysql
[root@zsxyweb3~]# mkdir -p /data/mydata
[root@zsxyweb3~]# chown -R mysql:mysql /data
2.安装数据库依赖软件包
[root@zsxyweb3~]# yum install -y gcc gcc-c++ make cmake ncurses ncurses libxml2 libxml2-developenssl-devel bison bison-devel ncurses-devel
3.上传mariadb包，解压，编译安装。
[root@zsxyweb3 ~]# tar zxvf mariadb-10.0.17.tar.gz
[root@zsxyweb3 mariadb-10.0.17]# cmake-DCMAKE_INSTALL_PREFIX=/app/mysql -DMYSQL_DATADIR=/data/mydata-DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_ARCHIVE_STPRAGE_ENGINE=1-DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWIYH_READLINE=1 -DWIYH_SSL=system -DVITH_ZLIB=system-DWITH_LOBWRAP=0 -DMYSQL_UNIX_ADDR=/tmp/mysql.sock -DDEFAULT_CHARSET=utf8-DDEFAULT_COLLATION=utf8_general_ci
[root@zsxyweb3 mariadb-10.0.17]# make&& make install
4.复制数据库启动脚本到/etc/init.d/mysqld目录下，修改/etc/my.cnf配置文件。
[root@zsxyweb3mariadb-10.0.17]# cd /app/mysql/
[root@zsxyweb3mysql]# cp support-files/mysql.server /etc/rc.d/init.d/mysqld
[root@zsxyweb3mysql]# chmod +x /etc/rc.d/init.d/mysqld
[root@zsxyweb3mysql]# cp support-files/my-large.cnf /etc/my.cnf
5.初始化数据库，启动数据库
[root@zsxyweb3mysql]# scripts/mysql_install_db --user=mysql --datadir=/app/mysql/data
[root@zsxyweb3mysql]#mkdir log
[root@zsxyweb3mysql]#service mysqld start
6.数据库的系统变量
[root@zsxyweb3 mysql]# vim/etc/profile.d/mysqld.sh
export PATH=$PATH:/usr/local/mysql/bin
[root@zsxyweb3 mysql]# source/etc/profile.d/mysqld.sh
[root@zsxyweb3 mysql]# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 148
Server version: 5.5.5-10.0.17-MariaDB-logSource distribution
Copyright (c) 2000, 2013, Oracle and/orits affiliates. All rights reserved.
Oracle is a registered trademark of OracleCorporation and/or its
affiliates. Other names may be trademarksof their respective
owners.
Type 'help;' or '\h' for help. Type '\c'to clear the current input statement.
mysql>
7.master192.168.1.166里/etc/my.cnf 如下
[client]
port = 3306
socket = /tmp/mysql.sock
[mysqld]
port = 3306
socket = /tmp/mysql.sock
skip-external-locking
key_buffer_size = 256M
max_allowed_packet = 4690M
table_open_cache = 16
sort_buffer_size = 64M
read_buffer_size = 32M
read_rnd_buffer_size = 256M
myisam_sort_buffer_size = 1024M
thread_cache_size = 8
query_cache_size= 128M
log-error=/app/mysql/log/alert.log
slow_query_log_file=/app/mysql/log/slow.log
general_log_file=/app/mysql/log/general.log
datadir = /app/mysql/data
log-bin=mysql-bin
binlog_format=mixed
server-id = 1
[mysqldump]
quick
max_allowed_packet = 4690M
[mysql]
no-auto-rehash
[myisamchk]
key_buffer_size = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
8.slave192.168.1.165里/etc/my.cnf
port = 3306
socket = /tmp/mysql.sock
skip-external-locking
key_buffer_size = 256M
max_allowed_packet = 1M
table_open_cache = 256
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 4M
myisam_sort_buffer_size = 64M
thread_cache_size = 8
query_cache_size= 16M
log-error=/app/mysql/log/alert.log
slow_query_log_file=/app/mysql/log/slow.log
general_log_file=/app/mysql/log/general.log
thread_concurrency = 8
datadir = /data/mydata
log-bin=mysql-bin
binlog_format=mixed
server-id = 2
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
[myisamchk]
key_buffer_size = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
9.在master数据库上授权 mysql
mysql> GRANT ALL PRIVILEGES ON *.* TO'root'@'192.168.1.% IDENTIFIED BY 'passwd' WITH GRANT OPTION;
mysql>flush privileges;
mysql> show master status;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB |Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000008 | 2890 | | |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
10.在从slave mysql
mysql>stop slave;
mysql> change master tomaster_host='192.168.1.166',master_user='root',master_password='passwd',master_log_file='mysql-bin.000008',master_log_pos=2890,master_connect_retry=5,master_heartbeat_period=2,Master_Port=3306;
mysql>flush privileges;
mysql>start slave;
mysql>show slave status\G
*************************** 1. row***************************
Slave_IO_State: Waiting formaster to send event
Master_Host: 192.168.1.166
Master_User: root
Master_Port: 3306
Connect_Retry: 5
Master_Log_File: mysql-bin.000008
Read_Master_Log_Pos: 2890
Relay_Log_File:zsxyweb3-relay-bin.000002
Relay_Log_Pos: 1198
Relay_Master_Log_File: mysql-bin.000008
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 2890
Relay_Log_Space: 1498
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_SSL_Crl:
Master_SSL_Crlpath:
Using_Gtid: No
Gtid_IO_Pos:
1 row in set (0.00 sec)
注：主要看看Slave_IO_Running: Yes Slave_SQL_Running: Yes 是否为yes
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