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LMDB Python Binding

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library 2.2.0 ·python
verified Jun 28, 2026

lmdb (py-lmdb) is a universal Python binding for the LMDB 'Lightning' Database, a fast, memory-efficient, embedded key-value store. It provides an ordered map interface, multi-version concurrency control (MVCC) with reader/writer transactions, and utilizes memory-mapped files for zero-copy operations. The library is actively maintained, with frequent releases; the current version is 2.2.0.

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