Cdb-library Version 2.6 Final May 2026

| Operation | CDB 2.5 | CDB 2.6 final | GDBM 1.23 | LevelDB (read only) | |-----------|---------|---------------|-----------|---------------------| | Sequential write (build) | 11.2 sec | 10.8 sec | 18.4 sec | 24.1 sec | | Random lookup (cache cold) | 0.8 µs | 0.8 µs | 2.3 µs | 1.9 µs | | Random lookup (hot cache) | 0.12 µs | 0.12 µs | 0.45 µs | 0.3 µs | | Memory footprint (idle) | ~8 KB | ~8 KB | 2.1 MB | 15 MB |

Release Date: October 26, 2023 (Projected Archive) Maintainer: Michael Tokarev / Open Source Community Archives cdb-library version 2.6 final

Have you used CDB in production? Found a surprising use case? Let us know in the comments below or on the cdb-library mailing list. | Operation | CDB 2

git clone https://github.com/mjt/cdb-library cd cdb-library git checkout v2.6-final make sudo make install Or, if you use CMake: git clone https://github

If you work with high-performance, read-intensive datasets on Unix-like systems—specifically in embedded environments, DNS servers (like PowerDNS or djbdns), or email routing systems—you likely already know the name CDB . Constant DataBase (CDB) is a fast, reliable, and lightweight format for creating and reading immutable key-value stores. After nearly two years of release candidates and meticulous fine-tuning, the team behind the cdb-library project has officially rolled out .