Previous versions (2.4 and earlier) suffered from rare file descriptor leaks when creating very large databases (over 4 million records). Version 2.6 Final refactors the cdb-make internals to guarantee that all temporary file handles are closed, even in error conditions. This is critical for long-running daemons that rebuild databases periodically.
Version 2.6 final is 2x faster than 2.5.3 on reads, thanks to improved prefetch hints and the new CRC32-C path. Its parallel scaling (5.5x speedup from 1→8 threads) is nearly linear, setting a new standard for read-only databases. cdb-library version 2.6 final
The CDB-Library version 2.6 final provides a comprehensive API documentation, which includes: Previous versions (2