browse/
2 results
infrastructure/exponential-backoff-why-waiting-longer-between-retries-keeps-a-struggl.md
Exponential backoff: why waiting longer between retries keeps a struggling server alive
When a server stumbles, every client that failed retries at the same instant, and the second wave can be bigger than the first. Exponential…
software-design/idempotency-why-clicking-pay-twice-should-charge-you-once.md
Idempotency: why clicking Pay twice should charge you once
You tap Pay, the screen shows an error, you tap again, and your card is charged twice. Networks drop messages, so a phone often cannot tell…