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This commit introduces a suite of new node selectors to optimize read latency and reduce cross-az costs Changes: - Add `AZAffinityNodeSelector` to prioritize replicas in the same Availability Zone. - Add `AZAffinityReplicasAndPrimaryNodeSelector` for granular control, prioritizing local replicas, then local primaries, before falling back to remote nodes. - Add `PreferReplicaNodeSelector` for explicit routing requirements. - Update `ClientOption` to use strict function types (`ReadNodeSelectorFunc`) for improved type safety. Signed-off-by: Ernesto Alejandro Santana Hidalgo <ernesto.alejandrosantana@gmail.com>
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rueian
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AZAffinityNodeSelectorto prioritize replicas in the same AvailabilityZone.
AZAffinityReplicasAndPrimaryNodeSelectorfor granular control,prioritizing local replicas, then local primaries, before falling back to
remote nodes.
PreferReplicaNodeSelectorfor explicit routing requirements.ClientOptionto use strict function types (ReadNodeSelectorFunc)for improved type safety.
Depends on #930