gRPC Performance: tonic (Rust) vs grpc-go Benchmarked at Scale
A recent analysis compared the performance of gRPC implementations tonic (Rust) and grpc-go under real-world conditions. The findings revealed that Rust outperformed Go in terms of latency and memory efficiency, particularly for services constrained by CPU. This challenges the prevailing belief that Go is the superior choice for gRPC performance.
- ▪Production benchmarks showed that grpc-go consumed significantly more memory than expected under load.
- ▪Rust's tonic implementation provided better latency and memory consumption for CPU-constrained services.
- ▪The analysis highlighted that many teams optimize for incorrect performance metrics.
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| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/speed_engineer/grpc-performance-tonic-rust-vs-grpc-go-benchmarked-at-scale-2ojl |
| Publication time | Mon, 25 May 2026 03:00:00 +0000 |
| Retrieval time | 2026-05-25T03:37:35.249Z |
| Last seen | 2026-05-25T03:37:35.249Z |
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3844864) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } speed engineer Posted on May 25 • Originally published at Medium gRPC Performance: tonic (Rust) vs grpc-go Benchmarked at Scale #go #microservices #performance #rust Production benchmarks reveal the surprising winner in the battle for microsecond-level RPC performance gRPC Performance: tonic (Rust) vs grpc-go Benchmarked at Scale Production benchmarks reveal the surprising winner in the battle for microsecond-level RPC performance Real-world gRPC performance benchmarks expose the…
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