This is an uncompressed block. For database records or log lines, you should use dictionary trained on likely data. Then short records compress well. See what

This is an uncompressed block. For database records or log lines, you should use dictionary trained on likely data. Then short records compress well. See what facebook does with zstd (they employ its author): https://engineering.fb.com/2018/12/19/core-data/zstandard/ https://engineering.fb.com/2018/12/19/core-data/zstandard/