<story><title>Show HN: On-disk B+ tree for Python 3</title><url>https://github.com/NicolasLM/bplustree</url></story><parent_chain></parent_chain><comment><author>laurencerowe</author><text>ZODB has a mature B+Tree implementation for on disk use in the BTrees package. &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;pypi.python.org&amp;#x2F;pypi&amp;#x2F;BTrees&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;pypi.python.org&amp;#x2F;pypi&amp;#x2F;BTrees&lt;/a&gt;</text></comment>
<story><title>Show HN: On-disk B+ tree for Python 3</title><url>https://github.com/NicolasLM/bplustree</url></story><parent_chain></parent_chain><comment><author>dimatura</author><text>Nice, I&amp;#x27;m a big user of various data stores for scientific work. How does this compare to LMDB (&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;www.lmdb.tech&amp;#x2F;doc&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.lmdb.tech&amp;#x2F;doc&amp;#x2F;&lt;/a&gt;), which uses B-trees (and has a Python interface)?</text></comment>