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- The client is now able to sense both leading instances and alternative instances.
- The alternative instances can serve read requests from clients, but cannot serve write requests. This can fully utilize the hardware resources of machines for alternative instances.
- Since the alternative instances also serve as read services, all data in alternative instances should be ready at all time and should always be consistent with the leading instance, which is far more strict than active/standby mode.
Data exporting is highly required to fully accomplish the leading/alternative mode for clustered Milvus, where we need to support exporting in-real time all historical data, live data and DDL data. Once we have this, we will have alternative instance subscribe to the leading instance for all data.
Expecting more details to be enclosed.