Wait to speak until others acknowledge you .

等到别人 注意 到你后才开始说话。

Synchronous replication means no data loss when a JVM exits but it is slower as the primary must wait for the replicas to acknowledge they have received the change .

同步复制意味着JVM退出时，没有数据丢失，但由于主进程必须 等待获得变更信息的复制 品，因此速度会慢一些。