![]() Now, everything remains very fast during those five minutes.įor everything you do on a machine, the hard drive activity will always be slower than your CPU capacity. With -mmt=off, we now always do in in less than five minutes! And, during these 50 minutes, all our servers were very slow because of the hard drives seeking. Our backup of the "visual SVN repository", which is made from multiple small files, was taking between 50 and 60 minutes. ![]() We improve performance on all our daily zip-backup procedures by adding -mmt=off to 7-zip command line. If it matters, I use a quad core Intel i7 720 (1.6 GHz)/(2.8 GHz) with 4 GB DDR3 RAM, and the 64-bit version of 7-Zip, and dual-boot Debian 圆4 5.0.4 and Windows 7 Home.Īs each thread seems to compress multiple files at the same time, the best thing you can do to increase performance of very large zip jobs is to set threads to 1, to be sure that your hard drive will seek one file at a time. I'm talking about faster at a comparable setting in WinRAR, not just lowering to bare minimum compression. Is the 9.x beta release noticeably faster at compression?
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