DLB: Implement load balancing at the connection pool level
Context
This is part of Container Registry: Database Load Balancing (DLB) (&8591). See the epic description and the listed implementation plan for more details.
Task
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Abstract read-write (default) and read-only pools -
Support fixed list of read-only hosts -
Select replica using round-robin -
Add documentation for local testing
Edited by João Pereira