tar + pigz 一行并行加压解压

https://leimao.github.io/blog/Parallel-Gzip-Pigz/

# Compress
$ tar --use-compress-program="pigz -k -p8" -cf dataset.tar.gz XXX
# Extract file to another directory
# Decompress
$ tar --use-compress-program="pigz -dk -p8" -xf dataset.tar.gz XXX