GZipStream decompression performance is poor

Question

I have a .NET 2.0 WinForms app that connects to a backend WAS server. I am using GZipStream to decode data coming back from a HttpWebRequest call made to the server. The d

Answer 1

I'll drop my three cents to the subject, just to notify C#-users that a 7Zip seems to expose its API in plain C#. I think you all know the 7Zip tool quite well, and at least for me, regardless of how well- or ill- designed its API is --- knowing that is a big help in terms of better performance of handling ZIP files/streams.

ref: http://www.splinter.com.au/compressing-using-the-7zip-lzma-algorithm-in/

Answer 2

DotNetZip has a GZipStream class that can be used as a drop-in replacement for the System.IO.Compression.GZipStream.

DotNetZip is free.

NB: If you are only doing GZipStream, then you need the Ionic.Zlib.dll, not the Ionic.Zip.dll.

Answer 3

Sorry to not answer your question directly, but have you looked at SharpZip yet? I found it much easier to use than Gzip. If you have trouble solving your current problem, perhaps it would perform the task better.

http://www.icsharpcode.net/OpenSource/SharpZipLib/

Answer 4

Try first loading the data into a MemoryStream and then decompress the MemoryStream...