Tag
hedged-requests
- Jan 8, 2026 Hedged Requests and the Economics of Tail Tolerance How issuing a duplicate request after a delay caps the tail, what the duplicate costs in load, and how to choose the delay so the trade stays favourable. backend systems
- Jul 31, 2022 Scatter-Gather Fan-Out and Tail Latency Multiplication A query over P partitions waits for the slowest one, so the 99th percentile of a single node becomes the median of the cluster. How hedged requests and partial results change the curve. distributed systems