修改主库group_commit
查询命令 show variables like '%group_commit%';
设置 binlog_group_commit_sync_delay=100
设置 binlog_group_commit_sync_no_delay_count=20
修改从库
查询命令 show variables like '%parallel%';
slave_parallel_type=logical_clock
slave_parallel_workers=4
查询命令 show variables like '%transaction_dependency%';
transaction_write_set_extraction=XXHASH64
binlog_transaction_dependency_tracking=writeset
查询命令 show variables like '%commit_order%';
slave_preserve_commit_order=1
3、查看是否开启并行复制
复制代码
use performance_schema;
select * from replication_applier_status_by_worker \G;