[Feature] [BanyanDB] Support batch query APIs

[wu-sheng]

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• I had searched in the issues and found no similar feature requirement.

Description

In today's optimization, we face topology query performance impact due to we need to query twice respectively from service_topo_.._client_side and service_topo.._server_side.

If the database APIs could support multiple queries in one request, we could reduce the costs of network, latency and cost of file scanning.
This should be another SkyWalking specific features to improve performance without trade-off.

FYI @wankai123 As this will require OAP server side changes too.

Use case

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Related issues

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Are you willing to submit a pull request to implement this on your own?

• Yes I am willing to submit a pull request on my own!

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