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。
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。
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