PYTHON-5767 Implement DRIVERS-3427 phase 1 rollout changes#2739
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Jibola wants to merge 9 commits intomongodb:backpressurefrom
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PYTHON-5767 Implement DRIVERS-3427 phase 1 rollout changes#2739Jibola wants to merge 9 commits intomongodb:backpressurefrom
Jibola wants to merge 9 commits intomongodb:backpressurefrom
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…ongodb#2497) All commands that fail with the "Retryable" error label will be retried up to 3 times. When the error includes the "SystemOverloaded" error label we apply exponential backoff with jitter before attempting a retry.
Add adaptive token bucket based retry policy. Successfully completed commands deposit 0.1 token. Failed retry attempts consume 1 token. A retry is only permitted if there is an available token. Token bucket starts full with the maximum 1000 tokens.
…tion rate limiter triggers (mongodb#2509) Co-authored-by: Iris <58442094+sleepyStick@users.noreply.github.com> Co-authored-by: Noah Stapp <noah.stapp@mongodb.com> Co-authored-by: Shane Harvey <shnhrv@gmail.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
…ay from 50ms to 100ms (mongodb#2599)
Resolve merge conflicts by taking upstream versions, which represent the refined evolution of local prototype backpressure work. Co-Authored-By: Claude Code <noreply@anthropic.com>
- Change MAX_RETRIES default from 5 to 2
- Add configurable maxAdaptiveRetries client option (default: 2)
- Add enableOverloadRetargeting client option (default: false)
- Add retry metadata ("retry": N) to outgoing command bodies on retry
- Remove _retry_overload decorator from collection/database methods
Co-Authored-By: Claude Code <noreply@anthropic.com>
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Summary
MAX_RETRIESdefault from 5 to 2; expose as configurablemaxAdaptiveRetriesclient optionenableOverloadRetargetingclient option (default:false) to gate server deprioritization on overload errors"retry": Nfield into outgoing command bodies on retry attempts so the server can observe retry storm impact_retry_overloaddecorator from collection/database methods (retry now handled centrally in_ClientConnectionRetryable)Test plan
pytest test/test_client_backpressure.pymaxRetriesoption is respected by the retry loopenableOverloadRetargeting=Truerestores deprioritization behaviorGenerated with Claude Code