isgood 发表于 2018-10-5 11:25:15

四、mysql集群-基于GTID的主从复制

安装脚本  
id=`ifconfig eth0 | awk -F "[ :]+" 'NR==2 {print $4}' | cut -d . -f 4`
  
useradd -s /sbin/nologin mysql -M
  
cd /application/tools/
  
tar xf mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz
  
ln -s /application/tools/mysql-5.7.21-linux-glibc2.12-x86_64/ /application/mysql && echo success
  
cd /application
  
mkdir /application/mysql/{log,data,tmp} -p
  
chown -R mysql:mysql mysql
  
cd /application/mysql
  
chown -R mysql:mysql ./*
  
cat /etc/my.cnf
  

  
port = 3306
  
socket = /tmp/mysql.sock
  

  
server_id= $id
  
port = 3306
  
user = mysql
  
character-set-server = utf8mb4
  
default_storage_engine = innodb
  
log_timestamps = SYSTEM
  
socket = /tmp/mysql.sock
  
basedir = /application/mysql
  
datadir = /application/mysql/data
  
pid-file = /application/mysql/data/mysql.pid
  
max_connections = 1000
  
max_connect_errors = 1000
  
table_open_cache = 1024
  
max_allowed_packet = 128M
  
open_files_limit = 65535
  
#####==================================================================
  
innodb_buffer_pool_size = 1024M
  
innodb_file_per_table = 1
  
innodb_write_io_threads = 4
  
innodb_read_io_threads = 4
  
innodb_purge_threads = 2
  
innodb_flush_log_at_trx_commit = 1
  
innodb_log_file_size = 512M
  
innodb_log_files_in_group = 2
  
innodb_log_buffer_size = 16M
  
innodb_max_dirty_pages_pct = 80
  
innodb_lock_wait_timeout = 30
  
innodb_data_file_path=ibdata1:1024M:autoextend
  
innodb_undo_tablespaces=3
  
######==================================================================
  
log_error = /application/mysql/log/mysql-error.log
  
slow_query_log = 1
  
long_query_time = 1
  
slow_query_log_file = /application/mysql/log/mysql-slow.log
  
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
  
log-bin=mysql-bin
  
##################slave设置参数##################
  
relay_log_purge=0
  
######================================================================
  
gtid_mode=on
  
enforce_gtid_consistency=on
  
log-slave-updates=1
  
EOF
  
cd /application/tools/mysql-5.7.21-linux-glibc2.12-x86_64/bin
  
./mysqld --initialize --user=mysql --basedir=/application/mysql --datadir=/application/mysql/data --innodb_undo_tablespaces=3 --explicit_defaults_for_timestamp && echo success
  
cp /application/tools/mysql-5.7.21-linux-glibc2.12-x86_64/support-files/mysql.server /etc/init.d/mysql
  
chkconfig --add mysql
  
chkconfig mysql on
  
service mysql start
  
cat >/etc/profile
  
#for mysql
  
PATH=$PATH:/application/mysql/bin
  
EOF
  
source /etc/profile && echo success
  
password=`grep -i password /application/mysql/log/mysql-error.log | awk -F '[ :]+' '{print $14}' | head -1`
  
mysqladmin -uroot -p$password password 123456


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