标签：gtid t_sql erro event 内存 schedule date tin pac
故障描述：
在mysql 主库上增加了一个主键操作，没过5分钟就接受到zabbix报警mysql主从同步异常停止信息，一首凉凉送给自己。。。。
查看现在主从状态
(root@192.168.1.2) [(none)]> show slave status\G 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: 1864 Last_Error: Cannot schedule event Update_rows, relay-log name ./log-relaynew.000867, position 93464188 to Worker thread because its size 16777713 exceeds 16777216 of slave_pending_jobs_size_max.
#从last_sql_error 错误信息，可以看出是因为slave_pending_jobs_size_max 值引起的，默认值16777216，但是接收到的是16777713，所以导致主从同步停止。
处理步骤如下：
1、查看主库max_allowed_packet的大小
(root@192.168.1.1) [(none)]> show variables like ‘max_allowed_packet‘; +--------------------+----------+ | Variable_name | Value | +--------------------+----------+ | max_allowed_packet | 33554432 | +--------------------+----------+ 1 row in set (0.00 sec)
2、设置从库slave_pending_jobs_size_max的大小，注意，需要大于主库max_allowed_packet的大小
(root@192.168.1.2) [(none)]> stop slave;
Query OK, 0 rows affected (0.00 sec)
(root@192.168.1.2) [(none)]> set global slave_pending_jobs_size_max=52428800; Query OK, 0 rows affected, 1 warning (0.00 sec)
(root@192.168.1.2) [(none)]> show variables like ‘%slave_pending_jobs%‘;
+-----------------------------+----------+
| Variable_name | Value |
+-----------------------------+----------+
| slave_pending_jobs_size_max | 52428800 |
+-----------------------------+----------+
1 row in set (0.01 sec)
(root@192.168.1.2) [(none)]> start slave;
Query OK, 0 rows affected (0.01 sec)
3、查看主从同步状态
(root@192.168.1.2) [(none)]> show slave status\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.1.1 Master_User: repl Master_Port: 3306 Connect_Retry: 60 Master_Log_File: log-bin.001101 Read_Master_Log_Pos: 210990225 Relay_Log_File: log-relaynew.000869 Relay_Log_Pos: 1111040 Relay_Master_Log_File: log-bin.001101 Slave_IO_Running: Yes Slave_SQL_Running: Yes 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: 210985256 Relay_Log_Space: 3648409 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: 0 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: 141 Master_UUID: 872aba0b-b543-11e6-9ce1-0cc47a581d8c Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: 872aba0b-b543-11e6-9ce1-0cc47a581d8c:532748990-581195316 Executed_Gtid_Set: 1bf68f85-ef7c-11e8-bad9-0cc47abcef86:1-28, 872aba0b-b543-11e6-9ce1-0cc47a581d8c:1-581195316 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: 1 row in set (0.00 sec)
搞定！！
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标签：gtid t_sql erro event 内存 schedule date tin pac
原文地址：https://www.cnblogs.com/gaibianziji/p/10320283.html
