![]() + FullyQualifiedErrorId : ParameterArgumentTransformationError,Compress-Archive + CategoryInfo : InvalidData: (:), ParameterBindingArgumentTransformationException If we pass multiple paths through this parameter, this command will throw the below error. ![]() This parameter doesn’t allow multiple paths. Where to store the archived files or directories? We can specify the location where to store the zipped files or directories through the command’s -DestinationPath parameter. We can specify the absolute or relative paths to the files or directories through this parameter.Īnd always it is a good idea to keep the file or directory paths in double quotes when you pass them through the commands’ arguments. If multiple files or directories are specified, we need to separate them using a comma (,) symbol. We can specify the list of files or directories to be archived through its -Path argument. PowerShell provides Compress-Archive cmdlet, to archive the specified files or directories. Compress-Archive cmdlet – Compress / Zip / Archive the selected files or directories Through this article, we are going to discuss the PowerShell command to zip the selected files or directories. ![]() Sample line to get maximum ZIP speed while keeping your machine performance: start "" /wait /belownormal c:\Progra~1\7-Zip\7z.exe a -tzip -mx=1 -mmt=off t:\backup.Windows PowerShell provides commands to zip (compress) and unzip the files. You can increase disk performance by disabling parallel activities and making sure that the hard drive reads (and write) your files one by one serially.Īlso it's better to read from disk1 and write your ZIP to disk2, as the physical head does not move from read to write. ![]() 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? I tested WinRAR and 7-Zip using the latest stable version of each (4-dot-something with 7-Zip).Is there a way to make recovery segments in 7-Zip like you can in WinRAR? I didn't see any, but I guess it could be a command line thing.Is there a way to make 7-Zip speed-up? I'd like it to at least be on par with WinRAR's speed.I did a few tests on different file types and sizes comparing the 7-Zip and WinRAR default settings on their normal compression and their best compression, and in a lot of cases WinRAR was 50% faster and in some it was actually 100% faster.īut, I do like FOSS more. I normally use WinRAR over 7-Zip simply because it's faster and only a little less efficient with compression. ![]()
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