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LangChain Forum - Latest posts

Proposal: additional docs for implementing custom DB checkpointers or a guide on generic base checkpointer Langsmith Fleet Sandbox Failure Prompt_cache_retention: &#39;24h&#39; supported in langchain agents and where to provide it, inside invoke or while creating client? Could RAG pipelines realistically cause deployment timeouts, is Render suitable for first-time RAG deployments? How do I use langchain_postgres&#39; init_vectorstore_table correctly? Proposal: Graph-wide default error handler for StateGraph (fallback for nodes without error_handler) Support timedelta for CachePolicy.ttl, consistent with TimeoutPolicy The x402 illusion: Is advertising dead in the age of agents? Question about LangSmith Trace Search via API How to cancel a run correct ！！ Anyone confirms this issue that deepagent ui streaming is disturb by update in deepagent or bug issue Would pre-inference routing help long-context agent workflows? 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I had a few months Experience with across Agent deploys remotegraph calls - old/new dist runtime architecture
@johnda98 Jo · 2026-04-17 · via LangChain Forum - Latest posts

1

I had a few months Experience with across Agent deploys remotegraph calls - old/new dist runtime architecture

Can help if anyone has issue.

We did resolve the challenges with architectural changes.. but kept our RAG tool access and even older MCP access - but simplified the Agent to Sub-Agent map

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