Do we want to support batch events sending

[gabo1208]

We need to decide if we want to support the CloudEvents batch format or not, and the implement it.

[benmoss]

knative/eventing#4409 I don't think eventing generally supports the json batch format

[gabo1208]

Yeah this is like a thought of mine based on a TODO, but the solution should be to wait for the sockets implementation?

[evankanderson]

I'd prioritize HTTP/2 support first, then measure the improvement batch provides.

[evankanderson]

Rationale: HTTP/1.1 Is likely encumbered by a lot of TCP setup/teardown per request, which probably imposes substantial overhead. HTTP/2 allows multiplexing requests over a single TCP pipe for the cost of a library change for clients. Adding batch delivery support requires restructuring code vs current implementations, so has a higher ecosystem cost.

[gabo1208]

Nice! Supper clear, thanks @evankanderson

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