What is delayed replication?
Delayed replication allows specifying that a replication slave should lag behind the master by (at least) a specified amount of time (specified in seconds). Before executing an event, the slave will first wait, if necessary, until the given time has passed since the event was created on the master.
How to delay replication in MySQL?
The default replication delay is 0 seconds. Use a CHANGE REPLICATION SOURCE TO SOURCE_DELAY= N statement (from MySQL 8.0. 23) or a CHANGE MASTER TO MASTER_DELAY= N statement (before MySQL 8.0. 23) to set the delay to N seconds.
Is there a way to disable delayed replication?
Delayed replication is enabled using the MASTER_DELAY option to CHANGE MASTER: A zero delay disables delayed replication. The slave must be stopped when changing the delay value. Three fields in SHOW SLAVE STATUS are associated with delayed replication:
When to show processlist for delayed replication in SQL?
When the replication SQL thread is waiting for the delay to elapse before executing an event, SHOW PROCESSLIST displays its State value as Waiting until MASTER_DELAY seconds after master executed event .
How does delayed replication work in MariaDB server?
Delayed replication allows specifying that a replication slave should lag behind the master by (at least) a specified amount of time (specified in seconds). Before executing an event, the slave will first wait, if necessary, until the given time has passed since the event was created on the master.
What is the default replication delay in MySQL?
This section describes delayed replication between servers which are all using these timestamps. The default replication delay is 0 seconds. Use a CHANGE REPLICATION SOURCE TO SOURCE_DELAY= N statement (from MySQL 8.0.23) or a CHANGE MASTER TO MASTER_DELAY= N statement (before MySQL 8.0.23) to set the delay to N seconds.