gtid多源复制1062故障处理
create database testdb214; use testdb214; CREATE TABLE `info_area` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT COMMENT '地区ID', `name` varchar(20) NOT NULL DEFAULT '' COMMENT '名称', `rel_id` varchar(50) NOT NULL DEFAULT '' COMMENT '关系ID', `pid` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '父ID', `level` int(11) NOT NULL DEFAULT '0' COMMENT '类别，1、省份 2、市 3、区 4、县', PRIMARY KEY (`id`), UNIQUE KEY `uq_rel_id` (`rel_id`), KEY `idx_pid` (`rel_id`) ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='地区表'; INSERT INTO `info_area` (`id`, `name`, `rel_id`, `pid`, `level`) VALUES ('10000', '北京', '10000', '10000', '1'); INSERT INTO `info_area` (`id`, `name`, `rel_id`, `pid`, `level`) VALUES ('10001', '三环以内', '100001000110001', '10001', '3'); INSERT INTO `info_area` (`id`, `name`, `rel_id`, `pid`, `level`) VALUES ('10002', '三环到四环之间', '100001000110002', '10002', '2'); INSERT INTO `info_area` (`id`, `name`, `rel_id`, `pid`, `level`) VALUES ('10003', '三环到四环之间', '100001000110003', '10003', '3'); INSERT INTO `info_area` (`id`, `name`, `rel_id`, `pid`, `level`) VALUES ('10004', '三环到四环之间', '100001000110004', '10004', '4');
################################################# 1062 故障处理 ######################################### # 模拟1062错误 在从库中插入数据 set sql_log_bin=0; insert into `testdb214`.`info_area` values (10001,'三环以内','100001000110001',10001,3); set sql_log_bin=1; mysql> show replica status for channel 'testdb214'G; *************************** 1. row *************************** Replica_IO_State: Waiting for master to send event Source_Host: 10.100.19.214 Source_User: mysqlsync Source_Port: 3306 Connect_Retry: 60 Source_Log_File: mysql-binlog.000001 Read_Source_Log_Pos: 5844 Relay_Log_File: relay-log-testdb214.000003 Relay_Log_Pos: 467 Relay_Source_Log_File: mysql-binlog.000001 # 非常重要 Replica_IO_Running: Yes Replica_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: test.% Last_Errno: 1062 Last_Error: Coordinator stopped because there were error(s) in the worker(s). The most recent failure being: Worker 1 failed executing transaction '7b68143a-645e-11eb-b60f-fa163ea9cdf0:12' at master log mysql-binlog.000001, end_log_pos 5813. See error log and/or performance_schema.replication_applier_status_by_worker table for more details about this failure or others, if any. Skip_Counter: 0 Exec_Source_Log_Pos: 5389 # 非常重要 Relay_Log_Space: 6589 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Source_SSL_Allowed: No Source_SSL_CA_File: Source_SSL_CA_Path: Source_SSL_Cert: Source_SSL_Cipher: Source_SSL_Key: Seconds_Behind_Source: NULL Source_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1062 Last_SQL_Error: Coordinator stopped because there were error(s) in the worker(s). The most recent failure being: Worker 1 failed executing transaction '7b68143a-645e-11eb-b60f-fa163ea9cdf0:12' at master log mysql-binlog.000001, end_log_pos 5813. See error log and/or performance_schema.replication_applier_status_by_worker table for more details about this failure or others, if any. Replicate_Ignore_Server_Ids: Source_Server_Id: 10402 Source_UUID: 7b68143a-645e-11eb-b60f-fa163ea9cdf0 Source_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Replica_SQL_Running_State: Source_Retry_Count: 86400 Source_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: 210203 14:37:52 Source_SSL_Crl: Source_SSL_Crlpath: Retrieved_Gtid_Set: 7b68143a-645e-11eb-b60f-fa163ea9cdf0:1-12 Executed_Gtid_Set: Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: testdb214 Source_TLS_Version: Source_public_key_path: Get_Source_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) ERROR: No query specified mysql>
# 解决办法：(从上述信息，可以看出，错误提示已经不再像以前那么明显了，所以正确可能的办法，还是解析日志，确认引起错误的原因) mysqlbinlog -vvv --base64-output=decode-rows --start-position=5389 mysql-binlog.000001 >01.binlog # at 5389 #210203 14:37:52 server id 10402 end_log_pos 5468 CRC32 0x52564c87 GTID last_committed=11 sequence_number=12 rbr_only=yes original_committed_timestamp=1612334272398566 immediate_commit_timestamp=1612334272398566 transaction_length=455 /*!50718 SET TRANSACTION ISOLATION LEVEL READ COMMITTED*//*!*/; # original_commit_timestamp=1612334272398566 (2021-02-03 14:37:52.398566 CST) # immediate_commit_timestamp=1612334272398566 (2021-02-03 14:37:52.398566 CST) /*!80001 SET @@session.original_commit_timestamp=1612334272398566*//*!*/; /*!80014 SET @@session.original_server_version=80023*//*!*/; /*!80014 SET @@session.immediate_server_version=80023*//*!*/; SET @@SESSION.GTID_NEXT= '7b68143a-645e-11eb-b60f-fa163ea9cdf0:12'/*!*/; # at 5468 #210203 14:37:52 server id 10402 end_log_pos 5548 CRC32 0x127f7b30 Query thread_id=76 exec_time=0 error_code=0 SET TIMESTAMP=1612334272/*!*/; SET @@session.pseudo_thread_id=76/*!*/; SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=0, @@session.unique_checks=1, @@session.autocommit=1/*!*/; SET @@session.sql_mode=1168113664/*!*/; SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/; /*!C utf8mb4 *//*!*/; SET @@session.character_set_client=255,@@session.collation_connection=255,@@session.collation_server=255/*!*/; SET @@session.lc_time_names=0/*!*/; SET @@session.collation_database=DEFAULT/*!*/; /*!80011 SET @@session.default_collation_for_utf8mb4=255*//*!*/; BEGIN /*!*/; # at 5548 #210203 14:37:52 server id 10402 end_log_pos 5663 CRC32 0xd831c640 Rows_query # insert into `testdb214`.`info_area` values (10001,'三环以内','100001000110001',10001,3) # at 5663 #210203 14:37:52 server id 10402 end_log_pos 5736 CRC32 0xbd3f6636 Table_map: `testdb214`.`info_area` mapped to number 311 # at 5736 #210203 14:37:52 server id 10402 end_log_pos 5813 CRC32 0x11bf5e98 Write_rows: table id 311 flags: STMT_END_F ### INSERT INTO `testdb214`.`info_area` ### SET ### @1=10001 /* INT meta=0 nullable=0 is_null=0 */ ### @2='三环以内' /* VARSTRING(80) meta=80 nullable=0 is_null=0 */ ### @3='100001000110001' /* VARSTRING(200) meta=200 nullable=0 is_null=0 */ ### @4=10001 /* INT meta=0 nullable=0 is_null=0 */ ### @5=3 /* INT meta=0 nullable=0 is_null=0 */ # at 5813 #210203 14:37:52 server id 10402 end_log_pos 5844 CRC32 0x92e0ec8d Xid = 615 COMMIT/*!*/; SET @@SESSION.GTID_NEXT= 'AUTOMATIC' /* added by mysqlbinlog */ /*!*/; DELIMITER ; # End of log file /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/; /*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=0*/; 在从库中删除掉这个重复的数据即可 mysql> select * from info_area where id=10001; +-------+--------------+-----------------+-------+-------+ | id | name | rel_id | pid | level | +-------+--------------+-----------------+-------+-------+ | 10001 | 三环以内 | 100001000110001 | 10001 | 3 | +-------+--------------+-----------------+-------+-------+ 1 row in set (0.00 sec) set sql_log_bin=0; delete from info_area where id=10001; set sql_log_bin=1; start replica sql_thread for channel 'testdb214';
mysql> show replica status for channel 'testdb214'G; *************************** 1. row *************************** Replica_IO_State: Waiting for master to send event Source_Host: 10.100.19.214 Source_User: mysqlsync Source_Port: 3306 Connect_Retry: 60 Source_Log_File: mysql-binlog.000001 Read_Source_Log_Pos: 5844 Relay_Log_File: relay-log-testdb214.000003 Relay_Log_Pos: 922 Relay_Source_Log_File: mysql-binlog.000001 Replica_IO_Running: Yes Replica_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: test.% Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Source_Log_Pos: 5844 Relay_Log_Space: 6589 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Source_SSL_Allowed: No Source_SSL_CA_File: Source_SSL_CA_Path: Source_SSL_Cert: Source_SSL_Cipher: Source_SSL_Key: Seconds_Behind_Source: 0 Source_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Source_Server_Id: 10402 Source_UUID: 7b68143a-645e-11eb-b60f-fa163ea9cdf0 Source_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Replica_SQL_Running_State: Slave has read all relay log; waiting for more updates Source_Retry_Count: 86400 Source_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: Source_SSL_Crl: Source_SSL_Crlpath: Retrieved_Gtid_Set: 7b68143a-645e-11eb-b60f-fa163ea9cdf0:1-12 Executed_Gtid_Set: 7b68143a-645e-11eb-b60f-fa163ea9cdf0:12 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: testdb214 Source_TLS_Version: Source_public_key_path: Get_Source_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) ERROR: No query specified mysql>