Dump a time range data from Prometheus and load to another Prometheus for query.

1. Add the following configurtion to the Prometheus server

remote_write:
  - url: "http://localhost:1234/write"

2. Start write server.
3. To dump data, run curl http://localhost:1234/dump

1. Add the following configuration to another Prometheus server

remote_read:
  - url: "http://localhost:1235/read"

2. Start read server with the dump data
3. Access the Prometheus web for query

• remote-endpoints-and-storage
• remote-storage-integrations
• remote_storage_adapter

• Support porting TiDB metrics and showing them on Grafana.