Presentation: How to Find Resilience Bugs in Systems that Don't Exist
Hillel Wayne discusses how formal methods principles - such as property strength, state-space verification, and environment assumptions - help softw…
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Presentation: How Eve Online Leverages Head Based Sampling to Observe "Fun"
Nicholas Herring shares how EVE Online tackles distributed tracing and observability across a 20-year-old MMO architecture. He discusses leveraging…
Grab Redesigns Counter Service Storage for 50% Lower P99 Latency
Grab migrated its high-volume Counter Service from a wide column database to Aerospike using storage abstraction, shadow traffic, data parity valida…
Cursor Uses S3 WAL to Scale Git Storage to More than 300 Pushes per Second
Cursor has introduced Continuity, a Git storage architecture that uses an S3 backed write ahead log as the source of truth. The design turns local N…
Stateless MCP Removes Session Affinity Requirements for AWS Server Deployments
AWS details how the latest Model Context Protocol specification removes protocol-level sessions, sticky-session requirements, and session storage fo…
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…
Uber Redesigns M3DB Sharding with Subclusters to Limit Failure Impact
Uber has redesigned shard placement in M3DB with fixed size subclusters to limit the impact of node failures, maintenance, and cluster scaling. The…
Presentation: The Agent Harness: Control Planes, Invariants, and Approval Boundaries for Production AI Agents
OpenAI’s Vinoth Govindarajan discusses why production AI agents fail beyond model hallucination. Using real-world case studies like OpenClaw, he exp…
Dropbox Evolves Riviera Content Processing Platform to Support AI Workloads
Dropbox has evolved Riviera from a file preview service into a universal content processing platform supporting more than 300 file formats and over…
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…
Netflix Reworks Conductor for 420 Million Monthly Workflow Executions and 10X Larger Workflows
Netflix has reworked its Conductor workflow orchestration engine to handle larger workloads, increasing supported workflow size from about 2,500 to…
Airbnb Cuts Authentication Code by 60% with Server Driven Architecture
Airbnb redesigned its authentication architecture around server driven flows and policy based challenge selection. The new Flexible Authentication s…
Uber Builds GitFarm to Run Git Operations as a Service for Large-Scale Monorepos
Uber’s GitFarm provides Git operations as a centralized service, eliminating local repository clones across large scale monorepo workloads. The plat…
Harper Argues Against the Multi-System Stack and Releases 5.2
The database platform Harper advocates for a single-runtime architecture that keeps application code and data together, with its benchmark against a…
Cloudflare Migrates JavaScript CDN Serving 9B Requests a Day to Its Developer Platform
Cloudflare has migrated cdnjs, its open source CDN for JavaScript and CSS libraries, to its Developer Platform. The new architecture uses Workers, R…
Spotify Builds External Index to Enable Low Latency Point Queries on Its Data Lake
Spotify introduced external indexing architecture for Apache Parquet data lakes that enables low-latency point queries without replicating datasets…
How Netflix Scaled Its Real-Time Service Map
Netflix has described how it redesigned the streaming pipeline behind Service Topology, its real-time service dependencies map, to support productio…
Instacart Builds Blueberry, an AI-Powered Assistant to Help On-Call Engineers Investigate Incidents
Instacart introduced Blueberry, an AI-assisted incident response system that helps on-call engineers investigate production issues faster. It combin…
JioHotstar Explains the Distributed Engineering Behind Personalized Ad Requests at Streaming Scale
JioHotstar explains the distributed architecture behind its real-time ad request workflow, covering ad decisioning, waterfall tiering, pacing algori…
Cloudflare Introduces Meerkat for Strongly Consistent Global Coordination
Cloudflare recently introduced Meerkat, an internal globally consistent control-plane service based on the QuePaxa consensus algorithm. Unlike Raft,…
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…
Google and Industry Partners Announce Agentic Resource Discovery Specification for AI Agents
Google and industry partners announced Agentic Resource Discovery (ARD) Specification, an open standard for publishing, discovering, and verifying A…
How DoorDash Built an AI Shopping Assistant That Doesn’t Rely on the LLM Alone
DoorDash details the architecture behind Ask DoorDash, its AI-powered conversational shopping assistant, combining LLMs, specialized AI agents, MCP-…
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…
Netflix Cuts Cassandra Read Latency from Seconds to Milliseconds with Dynamic Partition Splitting
Netflix engineers introduced dynamic partition splitting for Cassandra to address wide partitions in time series workloads. The metadata-driven appr…
Slack Outlines Four-Phase Journey to a Multi-Cloud AI Serving Platform
Slack has outlined how its AI serving infrastructure evolved through four distinct phases, moving from a self-managed Amazon SageMaker deployment to…
Inside Atlassian’s Forge Billing Architecture for Distributed Usage Tracking at Scale
Atlassian details the Forge billing platform built for usage-based pricing across its cloud ecosystem. It processes large-scale usage events with co…
Behind the Scenes: Block 450 JVM Repositories Into Monorepo to Reduce Dependency Drift
Block, Inc. describes migrating ~450 JVM repositories into a monorepo across Cash App and Square engineering to reduce dependency drift and coordina…
Lyft Uses Mapping Intelligence to Reduce Friction in Gated Community Pickups
Lyft details a new pickup experience to improve reliability in gated communities, where 25–30% of rides face routing and access challenges. The syst…
Pinterest Uses Content Fingerprints for URL Deduplication Across Millions of Domains
Pinterest introduced MIQPS, a URL normalization system that identifies which query parameters affect page identity using rendered content fingerprin…