Uber Engineering(@UberEng):9.5M unnecessary requests. Stopped. Uber’s error ownership system identifies where failures originate so retries happen where they can actually help, not repeatedly across the call chain. The result: max retry storm radius dropped from up to 25 levels to 3.

Uber Engineering

@UberEng

Engineering @Uber, from practice to people. ✨

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Uber Engineering@UberEng

2026.09.17 16:13

9.5M unnecessary requests. Stopped. Uber’s error ownership system identifies where failures originate so retries happen where they can actually help, not repeatedly across the call chain. The result: max retry storm radius dropped from up to 25 levels to 3.

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