Uber Eats Rebuilds Search Pipeline to Cut End-to-End Latency by 50%
Uber has rebuilt major parts of the Uber Eats search pipeline, reporting a 50% reduction in end-to-end latency. Changes include Above-the-Fold measu…
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Meta’s ZGateway Cuts ZippyDB Connections 19x While Handling 1B+ Operations per Second
Meta has introduced ZGateway, a stateless proxy for ZippyDB that centralizes connection management, traffic routing, caching, load balancing, and ad…
Cloudflare Details Its Migration from WordPress to EmDash
Cloudflare recently documented the migration of its main blog from WordPress to EmDash, the open source content management system developed internal…
Cloudflare Cuts 100 TB of Memory from 1.1.1.1 DNS Cache
Cloudflare redesigned the in-memory representation of its Big Pineapple DNS cache, reducing the per-entry footprint by 56% and freeing roughly 100 T…
Agoda Replaces 72-Shard SQL Server Price Cache with DragonflyDB
Agoda migrated its 1.5 TB hotel Price Cache from 72 SQL Server shards to DragonflyDB to handle growing read and write volumes. The migration used st…
Cloudflare Tests Cache Transcoding to Reduce Storage Requirements
Cloudflare recently described a prototype called Cache Transcoding that compresses eligible cache content, mainly uncompressed text such as HTML, JS…
Cloudflare Introduces Cache Response Rules for Post-Origin Cache Control
Cloudflare recently introduced Cache Response Rules, a rules engine that operates after an origin server responds but before content is written to C…
Canva Shares S3 Based Architecture for Session Revocation Across Hundreds of Millions of Sessions
Canva redesigned session revocation infrastructure to support 100M active sessions while reducing database lookups. The architecture uses Amazon S3…
DoorDash Uses Envoy and Valkey for a 1.5M RPS Proxy Cache with 99.99999% Availability
DoorDash has developed Entity Cache, a transparent proxy caching platform built on Envoy and Valkey to reduce redundant service-to-service requests…
Airbnb Shares Architecture Behind Sitar-Agent Dynamic Configuration Sidecar for Kubernetes Services
Airbnb engineers detailed Sitar-agent, a Kubernetes sidecar for dynamic configuration delivery across tens of thousands of pods, processing updates…
AWS Introduces Durable Storage Option for ElastiCache for Valkey
AWS has recently introduced durability for Amazon ElastiCache for Valkey, enabling reliable data retention across failures and expanding support bey…
Netflix Serves 84% of Query Results from Cache with Interval-Aware Caching in Apache Druid
Netflix improves Apache Druid performance with interval aware caching, serving 84% of analytics results from cache and reducing query load by 33%. T…