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1 2 3 | mysql>stop slave;mysql>set global slave_pending_jobs_size_max=20000000;mysql> start slave; |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | 从库设置mysql> set global slave_parallel_workers=4;mysql> show variables like 'slave_parallel_workers';+------------------------+-------+| Variable_name | Value |+------------------------+-------+|slave_parallel_workers | 4 |+------------------------+-------+1 row in set (0.00sec) mysql>set global slave_pending_jobs_size_max=1024;mysql> show variables like 'slave_pend%';+-----------------------------+-------+| Variable_name | Value |+-----------------------------+-------+|slave_pending_jobs_size_max | 1024 |+-----------------------------+-------+
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 | 主库操作:mysql> update erp_mkpf set usnam='测试1864错误';ERROR 1197 (HY000):Multi-statement transaction required more than 'max_binlog_cache_size' bytes ofstorage; increase this mysqld variable and try againmysql> set global max_binlog_cache_size=8388608000000;Query OK, 0 rowsaffected (0.00 sec)mysql> begin;Query OK, 0 rowsaffected (0.00 sec) mysql> update erp_mkpf set usnam='测试1864错误';Query OK, 70466 rowsaffected (0.38 sec)Rows matched:70466 Changed: 70466 Warnings: 0 mysql> commit;Query OK, 0 rowsaffected (0.08 sec) |
1 2 3 4 5 6 | 从库查看状态:mysql> show slavestatusG Last_SQL_Errno: 1864 Last_SQL_Error: Cannot scheduleevent Update_rows, relay-log name ./HE1-relay-bin.000005, position 494 toWorker thread because its size 8200 exceeds 1024 ofslave_pending_jobs_size_max. |
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