Inconsistent Vector Store Branch Execution in RAG Workflow with Same Input

Questions
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1

I have a RAG workflow in n8n where a specific branch containing Vector Store Tool, Qdrant Vector Store, and Google Gemini embeddings shows inconsistent behavior. The interesting part is that with the exact same input/query, sometimes this branch executes successfully and sometimes it doesn’t execute at all. No error messages appear - the branch simply skips execution in some instances.

Has anyone encountered similar inconsistency in vector store operations? Any suggestions for what might be causing this and how to debug it?

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2

It looks like your topic is missing some important information. Could you provide the following if applicable.

  • n8n version:
  • Database (default: SQLite):
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app):
  • Operating system:
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Technical Details:

  • n8n version: Latest (n8n cloud)
  • Database: Qdrant Vector DB
  • Running n8n via: n8n cloud
  • n8n EXECUTIONS_PROCESS: default
  • Operating system: i am using windows but n8n is cloud-hosted
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