
InfoQ
DoorDash Uses Envoy and Valkey for a 1.5M RPS Proxy Cache with 99.99999% Availability
DoorDash achieves unparalleled data efficiency with Entity Cache, a novel proxy caching platform built on Envoy and Valkey. This innovative solution reduces redundant service-to-service requests within their microservices architecture, handling over 1.5 million requests per second with an impressive 99.99999% availability. Through caching, event-driven invalidation, and robust failure handling, Entity Cache optimizes performance and ensures consistent reliability. For those interested in exploring related advancements in data analysis, consider our survey on deep learning for scRNA-seq analysis.














![Deep learning tackles single-cell analysis – A survey of deep learning for scRNA-seq analysis [R]](https://preview.redd.it/n3okgq66t1eh1.png?width=140&height=99&auto=webp&s=c7f944d68ce877e0198147bb832e40cbb826fa91)

![GPT-2 Small’s embedding geometry around “Trump”: discretized vs. continuous nearest neighbours [P]](https://preview.redd.it/tlvz4c3i32eh1.png?width=640&crop=smart&auto=webp&s=aad6aeec9197e26debda00093dd47611e70c5a08)
![Follow up: GPT-2's vocabulary as a hyperbolic tree — 32,070 tokens in a Poincaré ball you can fly through [P]](https://preview.redd.it/o6l1c96lo6eh1.png?width=640&crop=smart&auto=webp&s=92447206205a44b4f473a41cc8557c245d73a7d0)

![Introducing ASCIITermDraw Bench | Testing the ability of VLMs to Generate and Edit ASCII [P]](https://preview.redd.it/9q5cs439mceh1.png?width=140&height=98&auto=webp&s=ebb3f772300fbbd6ecad54b3067b9ea96a92c80f)















