https://sudonull.com/elasticsearch-search-errors-anti-patterns
Analysis of typical errors in Elasticsearch: dirty data, king queries, fuzzy search. How to avoid UX degradation and latency. For middle/senior dev.
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https://sudonull.com/docker-on-vps-24-containers-in-production
How to deploy 24 containers on VPS with 6 GB RAM. Architecture, Elasticsearch optimization, SSH tunnels, monitoring without Prometheus. For DevOps and middle/senior engineers.
https://sudonull.com/ticket-booking-system-design
Architecture of a Ticketmaster-like system: API, CQRS, OCC, Elasticsearch. Scaling to 10M users, avoiding double booking. Study the design for senior interviews.
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