problem with lrzip

It seems that lrzip does not compress a lot:

Using the last kernel source release : kernel-source-5.10.21-noarch-1.txz

I obtain

Quote:

--> ls -l kernel-source-5.10.21-noarch-1.txz 117327296 kernel-source-5.10.21-noarch-1.txz --> xz -d kernel-source-5.10.21-noarch-1.txz --> ls -l kernel-source-5.10.21-noarch-1.tar 1033308160 kernel-source-5.10.21-noarch-1.tar --> lrzip kernel-source-5.10.21-noarch-1.tar Output filename is: kernel-source-5.10.21-noarch-1.tar.lrz kernel-source-5.10.21-noarch-1.tar - Compression Ratio: 1.359. Average Compression Speed: 98.500MB/s. Total time: 00:00:10.25 --> ls -l kernel-source-5.10.21-noarch-1.tar.lrz 760074999 kernel-source-5.10.21-noarch-1.tar.lrz