Early yield on 429 throttling on barrier requests#48914

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mbhaskar wants to merge 6 commits into

mbhaskar:early-yield-on-429-throttling

Commits on May 27, 2026

Early yield on 429 throttling in QuorumReader/ConsistencyWriter

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Add test for mixed 410/429 scenario - Gone replicas excluded, throttled replica yields early

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Address PR review comments

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Add additional unit tests and fault injection E2E tests for 429 throttling

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Fix E2E tests: skip on single-region emulator

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Add CHANGELOG entry for 429 throttling early yield fix

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