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linux:fs:zfs:compression [2026/01/19 12:53] – [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>
-NOTE: it significantly increase CPU usage when writing huge amount of data (RAW movies).+ 
 +===== 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''. 
 + 
 +For example: Yocto build LXC achieves (# 849, 865, 858, 866, 867): 
 +  * ''zstd'' compressratio  1.75x / 1.99x / 1.54x / 1.41x / 1.65x) 
 +  * ''lz4'' ?