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Testing Data Engineering Infrastructure PostgreSQL ByteByteGo GitHub Zalando Clear all

01GitHub · architecture
The bridge to agent-scale Git infrastructure
GitHub faced infrastructure capacity limits and a 25ms cross-region network round trip when migrating repositories to Azure. The team changed the storage quorum from repository-wide locks to per-reference serialization and introduced ephemeral virtual replicas backed by object storage. This raised write throughput, prevented slow replicas from blocking traffic, and decoupled read scaling from the write quorum.
DEPTH ■■■■■8 min read6 days ago
Infrastructure
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02Zalando · architecture
Automating Data Ingestion with a RAG Flywheel
Zalando replaced manual schema mapping for diverse supplier data with an LLM-powered Retrieval-Augmented Generation (RAG) flywheel. The system combines Amazon Titan embeddings stored in PostgreSQL via pgvector with tool-constrained generative models running at zero temperature. Every LLM suggestion passes through strict API validation checks before being reviewed by operations specialists, creating a continuous learning loop that improves future predictions.
DEPTH ■■■■■14 min read2 weeks ago
Machine Learning PostgreSQL
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03GitHub · architecture
Building Git infrastructure for agent-scale development
GitHub is redesigning its Git infrastructure to handle the massive surge in concurrent read and write operations driven by agentic software development and high-volume workloads. The team is decoupling storage from compute by leveraging Azure Blob Storage for durability and lightweight compute workers for requests, which separates scaling dimensions. In internal benchmarks, this approach achieves up to 35 times higher write throughput and independent read scalability.
DEPTH ■■■■■9 min read2 weeks ago
Infrastructure
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