qiaoxinke

Private Endpoint not support ticdc now

1

File: [/release-7.5/tidb-cloud/set-up-private-endpoint-connections-on-google-cloud.md](https://docs.pingcap.com/tidbcloud/set-up-private-endpoint-connections-on-google-cloud) It seems we have not supported ticdc when using private endpoint connect now. We may need to make this more clearly in document.

File: [/release-8.5/tidb-cloud/set-up-vpc-peering-connections.md](https://docs.pingcap.com/tidbcloud/set-up-vpc-peering-connections) Please help to add descriptions in the documentation about the upper limit of creatable nodes corresponding to each subnet mask for both AWS and GCP. e.g. Platform Subnet...

Request to support aggressive batching

1

Improvement for batching grpc from tidb to tikv which is resolved by #1411.