mysql官方文档之group replication(Group Replication Performance)

1.SET GLOBAL group_replication_poll_spin_loops= 10000;

2.flow control的作用

 3.压缩优化

STOP GROUP_REPLICATION;

SET GLOBAL group_replication_compression_threshold = 2097152;

START GROUP_REPLICATION;

4.碎片优化

STOP GROUP_REPLICATION;

SET GLOBAL group_replication_communication_max_message_size= 5242880;

START GROUP_REPLICATION;