<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>DFS NOTES</title><description>Design, implementation, releases and pitfalls of mace and btree-store.</description><link>https://db.o2c.fun/</link><language>en</language><item><title>btree-store 2.0</title><link>https://db.o2c.fun/en/posts/btree-store-2.0/</link><guid isPermaLink="true">https://db.o2c.fun/en/posts/btree-store-2.0/</guid><description>Release notes and migration guide — per-page checksums, the offline check / compact / migrate tools, and how to move a 1.x database to the 2.0 format</description><pubDate>Thu, 01 Oct 2026 00:00:00 GMT</pubDate></item><item><title>mace -- background</title><link>https://db.o2c.fun/en/posts/mace-intro-1/</link><guid isPermaLink="true">https://db.o2c.fun/en/posts/mace-intro-1/</guid><description>Why mace (mace-kv) came to exist, and the early exploration and evolution behind it</description><pubDate>Wed, 30 Sep 2026 00:00:00 GMT</pubDate></item></channel></rss>