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…
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From Memory-Hungry HNSW to Quantized SPANN: The Technical Evolution of Pinterest's Manas Platform
Pinterest Engineering has enhanced its Manas search platform to manage vast data, improving efficiency in search and discovery functions. By applyin…
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…
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…
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…