最近最是在MySQL5.7上的的gtid主从复制问题总是遇上下面问题：
Last_Error: Coordinator stopped because there were error(s) in the worker(s). The most recent failure being: Worker 1 failed executing transaction '23be4eb1-d990-11e7-921a-0242ac110002:13476' at master log bin.000001, end_log_pos 4981755. See error log and/or performance_schema.replication_applier_status_by_worker table for more details about this failure or others, if any. Last_
