MySQL

               Slave_IO_State: Waiting for master to send event
                  Master_Host: 12.12.12.12
                  Master_User: slave
                  Master_Port: 3307
                Connect_Retry: 60
              Master_Log_File: mysql-bin.001756
          Read_Master_Log_Pos: 226913659
               Relay_Log_File: relaylog.002082
                Relay_Log_Pos: 54747568
        Relay_Master_Log_File: mysql-bin.001756
             Slave_IO_Running: Yes
            Slave_SQL_Running: No
              Replicate_Do_DB:
          Replicate_Ignore_DB:
           Replicate_Do_Table:
       Replicate_Ignore_Table:
      Replicate_Wild_Do_Table:
  Replicate_Wild_Ignore_Table:
                   Last_Errno: 0
                   Last_Error:
                 Skip_Counter: 0
          Exec_Master_Log_Pos: 54747363
              Relay_Log_Space: 226914179
              Until_Condition: None
               Until_Log_File:
                Until_Log_Pos: 0
           Master_SSL_Allowed: No
           Master_SSL_CA_File:
           Master_SSL_CA_Path:
              Master_SSL_Cert:
            Master_SSL_Cipher:
               Master_SSL_Key:
        Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 0
                Last_IO_Error:
               Last_SQL_Errno: 0
               Last_SQL_Error:
  Replicate_Ignore_Server_Ids:
             Master_Server_Id: 481393307
                  Master_UUID: dff65ff0-fb2e-11eb-a350-b4055d80d812
             Master_Info_File: mysql.slave_master_info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State:
           Master_Retry_Count: 86400
                  Master_Bind:
      Last_IO_Error_Timestamp:
     Last_SQL_Error_Timestamp:
               Master_SSL_Crl:
           Master_SSL_Crlpath:
           Retrieved_Gtid_Set: ca74c47e-fb3e-11eb-9606-b4055d7de08e:1-104948685,
dff65ff0-fb2e-11eb-a350-b4055d80d812:383340961-539319391
            Executed_Gtid_Set: ca74c47e-fb3e-11eb-9606-b4055d7de08e:1-104782942,
dff65ff0-fb2e-11eb-a350-b4055d80d812:1-539319391
                Auto_Position: 1
         Replicate_Rewrite_DB:
                 Channel_Name:
           Master_TLS_Version:

日志：

2023-05-10T09:00:03.471325+08:00 929140 [Warning] STOP SLAVE command execution is incomplete: Slave SQL thread got the stop signal, thread is busy, SQL thread will stop once the current task is complete.
2023-05-10T09:05:46.731588+08:00 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 4255ms. The settings might not be optimal. (flushed=1000, during the time.)

 

记录一下因为进行大表变更，导致灾备库复制中断

解决：

start slave；