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linux:fs:zfs:compression [2026/01/19 13:02] – [switch to ZSTD] niziaklinux:fs:zfs:compression [2026/02/11 10:29] (current) – niziak
Line 38: Line 38:
 zfs set compression=zstd-9 rpool/data zfs set compression=zstd-9 rpool/data
 </code> </code>
 +
 +===== ZSTD cpu usage =====
 +
 NOTE: it significantly increase CPU usage when writing huge amount of data (RAW movies). The best results for RAW movies is ''off'' or ''lz4''. NOTE: it significantly increase CPU usage when writing huge amount of data (RAW movies). The best results for RAW movies is ''off'' or ''lz4''.
 +
 +For example: Yocto build LXC achieves (# 849, 865, 858, 866, 867):
 +  * ''zstd'' compressratio  1.75x / 1.99x / 1.54x / 1.41x / 1.65x)
 +  * ''lz4'' ?
 +