ai8 min read
LangGraph in Production — Stateful AI Agents With Checkpointing and Human-in-the-Loop
Master LangGraph for production AI agents. Learn stateful workflows, checkpointing, human-in-the-loop patterns, and deployment strategies.
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1582 articles
langgraph12 min read
LangGraph in Production — Stateful Agent Workflows With Checkpointing
Build production-grade stateful agents with LangGraph: graph definitions, Postgres checkpointing, human interrupts, streaming, error handling, and deployment.
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backend6 min read
Large Offset Query Slowness — The Export Job That Takes 6 Hours
You need to export 10 million rows. You paginate with OFFSET, fetching 1,000 rows at a time. The first batch takes 50ms. By batch 5,000 the offset is 5 million rows and each batch takes 30 seconds. The total job takes 6 hours and gets slower as it goes.
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backend8 min read
Leader Election Gone Wrong — When Two Nodes Both Think They're in Charge
Your service elects a leader to run background jobs. The network hiccups for 5 seconds. The old leader thinks it''s still leader. The new leader also thinks it''s leader. Both start processing the same queue. Now you have duplicate work, corrupted state, and a split-brain.
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livekit9 min read
LiveKit for Real-Time AI — Voice Agents, Video, and WebRTC in Production
LiveKit provides WebRTC infrastructure for voice agents and video. Combine with OpenAI Realtime API to build voice AI agents that listen and respond in real time.
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