Type:
Task
Priority:
Major
Resolution:
Duplicate
The only way I know of to view slave status is with the command show slave status;
That means three important values that could be used by scripts or by maxscale are not available:
Slave_SQL_Running_State
Seconds_Behind_Master
Gtid_IO_Pos
There is no way to SHOW SLAVE STATUS INTO @MYVAR;
These values should be made available in global status.
Is there a way to see if the slave is still applying relay logs (behind master)? A global status variable would be a possible method. This could be used by maxscale to know not to promote a slave to master because it has not yet finished applying relay logs.
Related Jira issue: MXS-4798
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