The typical input is a list of files, a list of hosts, a list of users, a list of URLs, or a list of tables. A job can be a single command or a small script that has to be run for each of the lines in the input. Parallel makes it extremely simple to multiplex terminal “jobs”. GNU Parallel is easily one of my favorite packages and a daily staple when scripting. Using GNU Parallel to Create Archives Faster: You will see scaling in proportion to your thread count and drive speed. These results are from a near un-bottlenecked environment. How did I achieve such a massive time reduction? parallel ::: gzip & cd. gz.tar is 17x faster than normal! A reduction in compression time from nearly an hour to just 3 minutes. Not 2x faster, not 5x faster, but at its peak. gz.tar actually more than 15x faster than. It refers to when files are first individually compressed in a directory then the whole directory is archived into a.
TAR XZ MULTITHREADED ARCHIVE
The third is a small set of large PCAP files containing bid prices.īelow are timed archive compression results for each scenario and archive type.Ī. The second is a relatively small number of genome sequence files in nested folders.ģ. The first is a large number of tiny CSV files containing stock data.Ģ. Compression Benchmarks: tar.gz VS gz.tar VS. tar can provide massive performance gains. While archiving then compressing a directory may seem like the intuitive sequence, we will show how compressing files before adding them to a. With the advent of multi-core and multi-socket CPU architectures, little unfortunately has been done to leverage the wider number of processors. For decades they have served as the backbone of our data archiving and transfer needs.
zip archive formats are quite ubiquitous and with good reason.
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