chore: retry StatusCode::SERVICE_UNAVAILABLE #688
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Description
This PR retries
StatusCode::SERVICE_UNAVAILABLEinic-agentproduced by a replica ifThe main motivation for the change is ensuring that a non-idempotent call does not spuriously fail while the agent is polling for its status using read state requests that could fail if they hit a replica which is unhealthy (e.g., has no recent certified state available).
How Has This Been Tested?