Devs are rediscovering lost backend patterns of warfare that were used during the 2022 Solana NFT marketplace wars.
Built a Rust crate that implements "Hedged Requests" for Solana RPCs
The idea: Don't wait for one provider - race multiple in parallel and return the fastest response
Implementation:
- FuturesUnordered + tokio::select! for efficient racing
- Configurable hedging strategies
- Per-provider stats tracking
- Minimal overhead when fastest provider responds
Also built a TUI dashboard to visualize the hedging pattern in real-time
Explored this pattern after reading Google's "Tail at Scale" paper - fascinating how much latency you can eliminate by simply racing requests
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