install master semi repl plugin
mysql> install plugin rpl_semi_sync_master soname 'semisync_master.so';
Query OK, 0 rows affected (0.01 sec)
mysql> show variables like 'rpl%';
+-------------------------------------------+------------+
| Variable_name | Value |
+-------------------------------------------+------------+
| rpl_semi_sync_master_enabled | OFF |
| rpl_semi_sync_master_timeout | 10000 |
| rpl_semi_sync_master_trace_level | 32 |
| rpl_semi_sync_master_wait_for_slave_count | 1 |
| rpl_semi_sync_master_wait_no_slave | ON |
| rpl_semi_sync_master_wait_point | AFTER_SYNC |
| rpl_stop_slave_timeout | 31536000 |
+-------------------------------------------+------------+
install slave semi repl plugin
mysql> install plugin rpl_semi_sync_slave soname 'semisync_slave.so';
Query OK, 0 rows affected (0.01 sec)
mysql> show variables like 'rpl%';
+-------------------------------------------+------------+
| Variable_name | Value |
+-------------------------------------------+------------+
| rpl_read_size | 8192 |
| rpl_semi_sync_master_enabled | ON |
| rpl_semi_sync_master_timeout | 1000 |
| rpl_semi_sync_master_trace_level | 32 |
| rpl_semi_sync_master_wait_for_slave_count | 1 |
| rpl_semi_sync_master_wait_no_slave | ON |
| rpl_semi_sync_master_wait_point | AFTER_SYNC |
| rpl_semi_sync_slave_enabled | ON |
| rpl_semi_sync_slave_trace_level | 32 |
| rpl_stop_slave_timeout | 31536000 |
+-------------------------------------------+------------+
10 rows in set (0.01 sec)
mysql> start slave;
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> show slave status \G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.1.5.21
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 156
Relay_Log_File: tsdb02-relay-bin.000003
Relay_Log_Pos: 371
Relay_Master_Log_File: mysql-bin.000001
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: 156
Relay_Log_Space: 581
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_UUID: 4074d152-0c4c-11eb-aa27-02f7979ac73c
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 1
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
Master_public_key_path:
Get_master_public_key: 0
Network_Namespace:
1 row in set (0.00 sec)
ERROR:
No query specified
mysql>
install slave semi repl plugin
mysql> install plugin rpl_semi_sync_slave soname 'semisync_slave.so';
Query OK, 0 rows affected (0.01 sec)
mysql> show variables like 'rpl%';
+-------------------------------------------+------------+
| Variable_name | Value |
+-------------------------------------------+------------+
| rpl_read_size | 8192 |
| rpl_semi_sync_master_enabled | ON |
| rpl_semi_sync_master_timeout | 1000 |
| rpl_semi_sync_master_trace_level | 32 |
| rpl_semi_sync_master_wait_for_slave_count | 1 |
| rpl_semi_sync_master_wait_no_slave | ON |
| rpl_semi_sync_master_wait_point | AFTER_SYNC |
| rpl_semi_sync_slave_enabled | ON |
| rpl_semi_sync_slave_trace_level | 32 |
| rpl_stop_slave_timeout | 31536000 |
+-------------------------------------------+------------+
10 rows in set (0.01 sec)
mysql> start slave;
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> show slave status \G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.1.5.21
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 156
Relay_Log_File: tsdb02-relay-bin.000003
Relay_Log_Pos: 371
Relay_Master_Log_File: mysql-bin.000001
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: 156
Relay_Log_Space: 581
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_UUID: 4074d152-0c4c-11eb-aa27-02f7979ac73c
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 1
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
Master_public_key_path:
Get_master_public_key: 0
Network_Namespace:
1 row in set (0.00 sec)
ERROR:
No query specified
mysql>
master my.cnf
[mysqld]
datadir = /home/bos/mysql/data
socket = /home/bos/mysql/data/mysql.sock
log-error=/home/bos/mysql/data/mysqld.log
pid-file= /home/bos/mysql/data/mysqld.pid
validate_password_policy=LOW
validate_password_length=4
# authentic
default_authentication_plugin=mysql_native_password
max_connections=600
max_user_connections=600
max_allowed_packet=32M
open_files_limit = 8192
table_open_cache = 4000
# replication
log-bin=mysql-bin
log_slave_updates = slave_only
gtid_mode=ON
session_track_gtids=OWN_GTID
enforce_gtid_consistency=ON
server-id=1
rpl_semi_sync_master_enabled=1
rpl_semi_sync_master_timeout=1000 # 1second
rpl_semi_sync_slave_enabled=1
binlog_format=row
binlog_do_db=DBBOS
# optional for consistency
innodb_flush_log_at_trx_commit=1
sync_binlog=1
general_log=0
general_log_file=/home/bos/mysql/data/tsdb01_general.log
slave my.cnf
[mysqld]
datadir = /home/bos/mysql/data
socket = /home/bos/mysql/data/mysql.sock
log-error=/home/bos/mysql/data/mysqld.log
pid-file= /home/bos/mysql/data/mysqld.pid
validate_password_policy=LOW
validate_password_length=4
# authentic
default_authentication_plugin=mysql_native_password
max_connections=600
max_user_connections=600
max_allowed_packet=32M
open_files_limit = 8192
table_open_cache = 4000
# replication
log-bin=mysql-bin
log_slave_updates = slave_only
gtid_mode=ON
session_track_gtids=OWN_GTID
enforce_gtid_consistency=ON
server-id=1
rpl_semi_sync_master_enabled=1
rpl_semi_sync_master_timeout=1000 # 1second
rpl_semi_sync_slave_enabled=1
binlog_format=row
binlog_do_db=DBBOS
# optional for consistency
innodb_flush_log_at_trx_commit=1
sync_binlog=1
general_log=0
general_log_file=/home/bos/mysql/data/tsdb01_general.log
create replication user (on master)
mysql> create user repl@'%' identified by 'repl';
Query OK, 0 rows affected (0.03 sec)
mysql> grant replication slave on *.* to repl@'%';
Query OK, 0 rows affected (0.00 sec)
change master
CHANGE MASTER TO
MASTER_HOST = '10.1.5.21',
MASTER_PORT = 3306,
MASTER_USER = 'repl',
MASTER_PASSWORD = 'repl',
MASTER_AUTO_POSITION = 1;
replication status command
-- master / slave 구분
mysql> show variables like 'read_only';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| read_only | ON |
+---------------+-------+
1 row in set (0.00 sec)
-- master 상태 확인
mysql> show master status;
+------------------+----------+--------------+------------------+-------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+------------------+----------+--------------+------------------+-------------------+
| mysql-bin.000001 | 155 | test | | |
+------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)
-- master 의 binary log 를 purge 시킨다.
mysql> reset master;
Query OK, 0 rows affected (0.00 sec)
-- 데이터 플러쉬
mysql> FLUSH TABLES WITH READ LOCK;
Query OK, 0 rows affected (0.00 sec)
SLAVE
-- slave 시작
mysql> start slave;
Query OK, 0 rows affected (0.01 sec)
-- slave 중지
mysql> stop slave;
Query OK, 0 rows affected (0.00 sec)
-- slave 리셋 (replication 을 위한 position 정보를 삭제)
mysql> stop slave;
Query OK, 0 rows affected (0.00 sec)
-- master 의 채널 정보까지 삭제
mysql> reset slave all;
Query OK, 0 rows affected (0.01 sec)
mysql> show slave status;
Empty set (0.00 sec)
-- master 채널 정보 지정
mysql> CHANGE MASTER TO
-> MASTER_HOST = '10.1.5.11',
-> MASTER_PORT = 3306,
-> MASTER_USER = 'test',
-> MASTER_PASSWORD = 'test',
-> MASTER_AUTO_POSITION = 1;
Query OK, 0 rows affected, 1 warning (0.02 sec)
mysql> show slave status \G;
*************************** 1. row ***************************
Slave_IO_State:
Master_Host: 10.1.5.11
Master_User: test
Master_Port: 3306
... ...