Thank you for the report.
> 5、turn off gtid_deployment_step in master (3306) > SET GLOBAL gtid_deployment_step = OFF;
But according to https://www.percona.com/doc/percona-server/5.6/flexibility/online_gtid_deployment.html gtid_deployment_step should be ON on slave only. This seems to not a bug for me.
Thank you for the report.
> 5、turn off gtid_deployment _step in master (3306) _step = OFF;
> SET GLOBAL gtid_deployment
But according to https:/ /www.percona. com/doc/ percona- server/ 5.6/flexibility /online_ gtid_deployment .html gtid_deployment _step should be ON on slave only. This seems to not a bug for me.