From 0dd61741f2d050dad0851a54eaab1b4558899fd8 Mon Sep 17 00:00:00 2001 From: A1EF Date: Sun, 22 Jan 2023 16:34:53 +0300 Subject: [PATCH] Add ZSTD into available compression algorithms --- docs/Performance and Tuning/Workload Tuning.rst | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/docs/Performance and Tuning/Workload Tuning.rst b/docs/Performance and Tuning/Workload Tuning.rst index 0ef73e7..3169b85 100644 --- a/docs/Performance and Tuning/Workload Tuning.rst +++ b/docs/Performance and Tuning/Workload Tuning.rst @@ -165,6 +165,15 @@ The following compression algorithms are available: - A very simple algorithm that only compresses zeroes. +- ZSTD (Zstandard) + + - Zstandard is a modern, high performance, general compression + algorithm which provides similar or better compression levels to + GZIP, but with much better performance. Zstandard offers a very + wide range of performance/compression trade-off, and is backed by + an extremely fast decoder. + It is available from `OpenZFS 2.0 version `__. + If you want to use compression and are uncertain which to use, use LZ4. It averages a 2.1:1 compression ratio while gzip-1 averages 2.7:1, but gzip is much slower. Both figures are obtained from `testing by the LZ4