MySQL多实例实现半同步复制

mysql> CHANGE MASTER TO MASTER_HOST='192.168.40.161', MASTER_USER='repluser', MASTER_PASSWORD='replpass', MASTER_PORT=3306, MASTER_LOG_FILE='mysql.000006', MASTER_LOG_POS=11426362;

mysql> START SLAVE;

10.检查主从是否成功

mysql> show slave status;

主服务器配置文件：
[root@db_peizi1 ~]# more /etc/my.cnf
[client]
port=3306
socket = /usr/local/mysql/mysql.sock[mysql]
default-character-set=utf8[mysqld]
port            = 3306
socket          = /usr/local/mysql/mysql.sock
basedir=/usr/local/mysql
datadir=/data/mysql
server_id=1
user=mysql
skip-name-resolve
log_bin=mysql
expire_logs_days = 30sync_binlog=1
rpl_semi_sync_master_enabled=ON#slow_log
slow-query-log=On
slow_query_log_file=/data/logs/mysql/peizi-slow.log
long_query_time=1# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0character-set-server=utf8
default-storage-engine=InnoDB
explicit_defaults_for_timestamp=trueskip-external-lockingmax_connections=300
query_cache_size=1048576
performance_schema_max_table_instances=600
table_definition_cache=400
table_open_cache=256
tmp_table_size=64M
max_heap_table_size=64M
thread_cache_size=16myisam_max_sort_file_size=16G
myisam_sort_buffer_size=32M
key_buffer_size=25M
read_buffer_size=128K
read_rnd_buffer_size=256K
sort_buffer_size=256K
join_buffer_size=16M
max_allowed_packet=4Minnodb_file_per_table=1
innodb_flush_log_at_trx_commit=1
innodb_log_buffer_size=2M
innodb_buffer_pool_size=64M
innodb_log_file_size=16M
innodb_thread_concurrency=8sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"[mysqld_safe]
log-error=/data/logs/mysql/mysqld.log
pid-file=/usr/local/mysql/tmp/mysqld.pid多实例从服务器配置文件：
[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /usr/local/mysql/bin/mysqladmin[mysql]
default-character-set=utf8[mysqld1]
port            = 3306
socket          = /usr/local/mysql/mysql-3306.sock
basedir=/usr/local/mysql
datadir=/data/mysql3306
pid-file=/var/lock/subsys/mysql3306/mysq-3306.pid
server_id=11
user=mysql
skip-name-resolve
expire_logs_days = 30master-info-file=/data/mysql3306/master-3306.info
read-only
relay-log=/data/mysql3306/relay-3306.log
relay-log-index=/data/mysql3306/relay-log-index-3306.log
replicate-ignore-db=mysql
replicate-ignore-db=information_schema
replicate-ignore-db=performance_schema# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0character-set-server=utf8
default-storage-engine=InnoDB
explicit_defaults_for_timestamp=trueskip-external-lockingmax_connections=300
query_cache_size=1048576
performance_schema_max_table_instances=600
table_definition_cache=400
table_open_cache=256
tmp_table_size=64M
thread_cache_size=16myisam_max_sort_file_size=16G
myisam_sort_buffer_size=32M
key_buffer_size=25M
read_buffer_size=128K
read_rnd_buffer_size=256K
sort_buffer_size=256K
join_buffer_size=16M
max_allowed_packet=4Minnodb_file_per_table=1
innodb_flush_log_at_trx_commit=1
innodb_log_buffer_size=2M
innodb_buffer_pool_size=64M
innodb_log_file_size=8M
innodb_thread_concurrency=8lower_case_table_names=1
sql-mode="NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"[mysqld2]
port            = 3307
socket          = /usr/local/mysql/mysql-3307.sock
basedir=/usr/local/mysql
datadir=/data/mysql3307
pid-file=/var/lock/subsys/mysql3307/mysql-3307.pid
server_id=6
user=mysql
skip-name-resolve
expire_logs_days = 30master-info-file=/data/mysql3307/master-3307.info
read-only
relay-log=/data/mysql3307/relay-3307.log
relay-log-index=/data/mysql3307/relay-log-index-3307.log
replicate-ignore-db=mysql
replicate-ignore-db=information_schema
replicate-ignore-db=performance_schema# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0character-set-server=utf8
default-storage-engine=InnoDB
explicit_defaults_for_timestamp=trueskip-external-lockingmax_connections=300
query_cache_size=1048576
performance_schema_max_table_instances=600
table_definition_cache=400
table_open_cache=256
tmp_table_size=64M
thread_cache_size=16myisam_max_sort_file_size=16G
myisam_sort_buffer_size=32M
key_buffer_size=25M
read_buffer_size=128K
read_rnd_buffer_size=256K
sort_buffer_size=256K
join_buffer_size=16M
max_allowed_packet=4Minnodb_file_per_table=1
innodb_flush_log_at_trx_commit=1
innodb_log_buffer_size=2M
innodb_buffer_pool_size=64M
innodb_log_file_size=8M
innodb_thread_concurrency=8lower_case_table_names=1
sql-mode="NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"

转载于:https://blog.51cto.com/openlinuxfly/1643835

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