Support for lz4 Compression Format in Data Import/Export

Why it matters

This feature enhances ClickHouse's flexibility and efficiency by allowing users to utilize lz4 compression for faster and more efficient data import and export. It addresses the need for a widely-used, high-performance compression format in data workflows, improving speed and reducing storage and network resource usage.

How to use it

To use lz4 compression for data import or export, specify the compression format option as lz4 in the relevant command or configuration. For example, when exporting data to a file, you can set the compression format parameter to lz4 to apply this compression.