The idea is to reduce as much as possible the load for the database server.
其思想就是尽可能多地减少数据库服务器的工作负载。
Regardless, it is more polite to perform the re-projection on your own server to reduce your load and demand on third-party servers.
毕竟在您自己的服务器上执行再投影会更为合理些，因为那会减少对第三方服务器的负载和需求。
This feature allows the DBA to reduce the load on the primary server.
这项功能允许DBA降低主要服务器上的负载。
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