Dispatches a batch request now if the pool's lane has room, or queues it.
A full queue, or a wait past workers.batchQueueTimeoutS, is answered 503 with Retry-After.
workers.batchQueueTimeoutS
the pool name
the request
the response
called with release, which must be called exactly once when the dispatched request finishes
release
Dispatches a batch request now if the pool's lane has room, or queues it.
A full queue, or a wait past
workers.batchQueueTimeoutS, is answered 503 with Retry-After.