v.19.11Improvement
Full Bit Transpose Variant for T64 Codec
Full bit transpose variant forT64codec. Could lead to better compression withzstd. #5742 (Artem Zuikov)
Why it matters
This feature aims to improve compression ratios by applying a full bit transpose transformation within theT64 codec. It particularly benefits users relying on zstd compression by potentially achieving better space savings and faster decompression times.How to use it
Users can enable this feature by selecting theT64 codec with the full bit transpose variant applied in their compression settings when using zstd. The specific configuration depends on how the codec is specified in their ClickHouse queries or table definitions.