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Tagged: Redis
Semantic Caching for LLM Agents With Redis: Cut Cost and Latency
How semantic caching cuts LLM spend and latency: embeddings, thresholds, Redis and RedisVL, accuracy tuning, and caching sub-questions inside agent workflows.
8 min readElastiCache for RAG: How to Store and Query Embeddings in
ElastiCache for RAG: store and query embeddings in Redis from Node.js and TypeScript, set up the cluster, create the vector index and run similarity search.
13 min readMove LangGraph vector state from memory to Redis persistence
Swap LangGraph vector state from memory to Redis with a factory for get_vector_store, session metadata on ingest, filtered retrieval and delete-by-session.
13 min readResumable LLM streaming with Redis Streams as a per-turn rendezvous
Resumable LLM streaming: publish agent events to a turn-scoped Redis Stream so clients survive disconnects and multi-minute tool pauses and pick up again.
9 min readMigrate Redis vector demos to a shared Azure AI Search index
Move LangGraph vector search from Redis demos to a shared Azure AI Search index: declare the schema, filter by session, delete by query, keep other users.
6 min readPDF semantic Q&A with Document Intelligence, embeddings, and Redis
LangGraph extracts fee-schedule PDFs, chunks and embeds with Azure OpenAI, and answers natural-language fee questions from a local Redis vector index.
11 min readSemantic caching with Redis for vector search
Cut embedding API spend with semantic caching in Redis: a two-level cache that reuses vector search results when queries mean the same thing, in Node.js.
4 min readRedis Beyond Caching: Sessions, Rate Limits, Queues, and Pub/Sub in Node.js
Seven Redis patterns for Node.js backends — caching with TTLs, OTP keys, rate limits, BullMQ jobs, sessions, Pub/Sub limits, and when not to use Redis.
6 min readInside a Multi-Provider Notification Service: Queues, Fallbacks, Trust
A design walkthrough of a reliable notification service: credential storage, provider fallback, BullMQ retries and DLQs, tenant fairness and webhook signature checks.
12 min read
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