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Frequently-asked questions

For commonly asked questions about LanceDB, please refer to our FAQ section.

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Getting technical support

If you’re using LanceDB OSS, the best place to get help is in our Discord community, under the relevant language channel for Python, TypeScript, or Rust. By asking in the language-specific channel, you can get help from the community and our engineering team. If you are a LanceDB Enterprise user, please contact our support team at support@lancedb.com for dedicated assistance.

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General issues

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Slow or unexpected query results

If you have slow queries or unexpected query results, it can be helpful to print the resolved query plan. LanceDB provides two powerful tools for query analysis and optimization: explain_plan and analyze_plan. Read the full guide on Query Optimization.

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Python’s multiprocessing module

Multiprocessing with fork is not supported. You should use spawn instead.