April 2008
Intermediate to advanced
566 pages
21h 55m
English
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Name
SHOW SLAVE STATUS
Synopsis
SHOW SLAVE STATUS
This statement displays information on the slave thread. Here is an example of this statement and its results:
SHOW SLAVE STATUS\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: localhost
Master_User: root
Master_Port: 3306
Connect_Retry: 5
Master_Log_File: log-bin.000154
Read_Master_Log_Pos: 159
Relay_Log_File: log-relay-bin.154
Relay_Log_Pos: 694
Relay_Master_Log_File: log-bin.154
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 159
Relay_Log_Space: 694
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: Yes
Master_SSL_CA_File: ssl_ca.dat
Master_SSL_CA_Path: /data/mysql/ssl_ca
Master_SSL_Cert: ssl_cert.dat
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 3You can set some of these values at startup with the MySQL
server daemon (mysqld). See Chapter 15 for more information on setting server
variables at startup. You can also set some of these variables with
the SET statement, and you can adjust others for
particular tables with the ALTER TABLE statement.
You can reset some of the log file variables with the RESET MASTER and RESET SLAVE
statements.
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