On 22/1/20 6:54 pm, Anatol Pomozov wrote: > The first experiment is to parse db tarfile using the script and then > write it back to a file: > uncompressed size is 17757184 that is equal to original sample > 'zstd -19' compressed size is 4366994 that is 1.0084540990896713 > times better than original sample > > Tar *entries* content is identical to the original file. Uncompressed > size is exactly the same. Compressed (zstd -19) size is 0.8% better. > It comes from the fact that my script does not set entries user/group > value and neither sets tar entries modification time. I am not sure if > this information is actually used by pacman. Modification time > contains a lot of entropy that compressor does not like.
tl;dr "original" 4366994 no md5 4188019 no pgp 1160912 np md5+pgp 1021667 But do any of these numbers stand if you keep the tar file? Also, I find downloading signature files causes a big pause in processing the downloads. Is that just a slow connection to the world at my end? Allan
