RAG Architecture Patterns: Choosing the Right Retrieval Strategy for Enterprise Data
Pure vector similarity search retrieves semantically similar chunks, but similarity isn't the same as relevance — a chunk can be topically similar to a…
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Pure vector similarity search retrieves semantically similar chunks, but similarity isn't the same as relevance — a chunk can be topically similar to a…
OCI IAM policies attach to compartments and inherit downward automatically; AWS requires Service Control Policies at the OU level plus separate IAM policies within…
Use structure-aware chunking (respecting headings, tables, and document sections) rather than fixed-length character chunking, which materially improves retrieval quality on struct
Rightsizing requests and limits based on actual usage (not guesses) is table stakes, but it typically saves 10-20% — the bigger wins come from…
Object storage (S3/ADLS) holds the physical data, with Apache Iceberg as the open table format layer providing ACID transactions, schema evolution, and time travel…
Before extracting any service, map your monolith's internal module boundaries and data ownership — the seams that already exist in your codebase (even informally)…
S3 event notifications trigger a Lambda function on new object arrival, which validates the file and starts a Step Functions state machine — this…
At minimum: an account/subscription hierarchy, baseline identity and access management, network topology (hub-and-spoke or similar), centralized logging and monitoring, and guardra