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26.12.11.3 The replication_applier_configuration Table

This table shows the configuration parameters that affect transactions applied by the slave server. Parameters stored in the table can be changed at runtime with the CHANGE MASTER TO statement, as indicated in the column descriptions.

The replication_applier_configuration table has these columns:

  • CHANNEL_NAME

    The replication channel which this row is displaying. There is always a default replication channel, and more replication channels can be added. See Section 17.2.3, “Replication Channels” for more information.

  • DESIRED_DELAY

    The number of seconds that the slave must lag the master. (CHANGE MASTER TO option: MASTER_DELAY) See Section 17.4.10, “Delayed Replication” for more information.

  • PRIVILEGE_CHECKS_USER

    The user account that provides the security context for the channel (CHANGE MASTER TO option: PRIVILEGE_CHECKS_USER). This is escaped so that it can be copied into a SQL statement to execute individual transactions. See Section 17.3.3, “Replication Privilege Checks” for more information.

The replication_applier_configuration table has these indexes:

  • Primary key on (CHANNEL_NAME)

TRUNCATE TABLE is not permitted for the replication_applier_configuration table.

The following table shows the correspondence between replication_applier_configuration columns and SHOW SLAVE STATUS columns.

replication_applier_configuration Column SHOW SLAVE STATUS Column
DESIRED_DELAY SQL_Delay