MySQL主从数据同步出错 Last_Errno: 1755

MySQL主从数据同步出错
Last_Errno: 1755
Last_Error: Cannot execute the current event group in the parallel mode. Encountered event Format_desc, relay-log name ./JX-P-L-slave-220-relay-bin.000082, position 239 which prevents execution of this event group in parallel mode. Reason: possible malformed group of events from an old master.

故障：并行复制导致
解决: 关闭并行复制

mysql> stop slave;
Query OK, 0 rows affected (0.07 sec)
 
mysql> set global  slave_parallel_workers=0;
Query OK, 0 rows affected (0.00 sec)
 
mysql> start slave;
Query OK, 0 rows affected (0.17 sec)

https://bugs.mysql.com/bug.php?id=71495