InfoQ - Infrastructure - News

Cloudflare Measures Origin TLS Preferences, Cutting Handshake Retries from 52% to 3.7%

Steef-Jan Wiggers — Sun, 20 Sep 2026 08:15:00 GMT

Cloudflare has replaced its static X25519 guess for origin TLS handshakes with per-origin measurement. HelloRetryRequests on scanned origins fell from roughly 52% to 3.7%, removing over 150 ms from p90 latency. Post-quantum connections completing in one round trip rose from 0% to 99.2%, though only 12.8% of origins support it.

By Steef-Jan Wiggers

Dropbox Outlines How Focusing on Existing Infrastructure Efficiency Can Create Headroom for AI

Matt Foster — Wed, 16 Sep 2026 07:15:00 GMT

Dropbox has outlined how a decade of infrastructure optimization is helping it absorb growing demand from AI without treating new data-center capacity as the only answer. Its work spans forecasting, fleet utilization, storage density, hardware lifecycles, and rack-level power delivery, much of it predating the current AI boom.

By Matt Foster

From Memory-Hungry HNSW to Quantized SPANN: the Technical Evolution of Pinterest's Manas Platform

Olimpiu Pop — Wed, 16 Sep 2026 06:06:00 GMT

Pinterest Engineering has enhanced its Manas search platform to manage vast data, improving efficiency in search and discovery functions. By applying Scalar and Product Quantization, memory usage decreased significantly while maintaining high recall rates. The platform utilizes SSDs for optimized performance, and is transitioning to multi-vector models for refined relevance matching.

By Olimpiu Pop

Amazon Linux 2027 Enters Public Preview with SELinux Enforcing by Default

Steef-Jan Wiggers — Tue, 15 Sep 2026 03:40:00 GMT

AWS has released Amazon Linux 2027 in public preview, built on the AL2023 baseline with kernel 7.1 and SELinux in enforcing mode by default. Applications that pass on AL2023's permissive mode may fail under enforcing. The announcement gives no AL2023 end-of-support date, no GA date, and no in-place migration path.

By Steef-Jan Wiggers