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.NET Forum / Languages / C# / March 2006Fast Rename from client to server
I have a C# client app that sometimes needs to do thousands of specialized file renames of files on a file server in the same domain. If the files reside locally on the client machine, the renames take only a few seconds. If the files reside on the file server, a set of 30,000 file renames may take a half hour to do. I'm just using File.Move to do the rename. The renames are not moving the files to a different folder, they are just changing the name of the file. I'm assuming that network latency between each of the File.Move calls is what is slowing the renaming down so much. Is there a way to batch up all 30,000 File.Move commands to the server, rather than sending them each one at a time so that I am not paying the price of the network latency between every single file rename? Or is there a better way to speed this up? It needs to be almost as fast as doing it locally on the client. Hi, No, you cannot batch them. Can you install/run a remote program in the server? You could send the execution to the remote service which will do it locally. That would be the practical solution from my point of view.  SignatureIgnacio Machin, ignacio.machin AT dot.state.fl.us Florida Department Of Transportation >I have a C# client app that sometimes needs to do thousands of specialized > file renames of files on a file server in the same domain. If the files [quoted text clipped - 15 lines] > better way to speed this up? It needs to be almost as fast as doing it > locally on the client. That wouldn't be easy to do because not all of the servers are Windows machines, and I'm not certain how to write a service on the non-windows platforms. Is there not some other way to speed this up? > Hi, > [quoted text clipped - 24 lines] > > better way to speed this up? It needs to be almost as fast as doing it > > locally on the client. Hi, I think for non-Windows platform, you may also try to write a remote program. Commonly the TCP/IP is implemented on almost all the platform, e.g. linux, unix. You can write a server application on the linux or unix, and listen to certain port and the send the files you want to rename. Best regards, Peter Huang Microsoft Online Community Support ================================================== When responding to posts, please "Reply to Group" via your newsreader so that others may learn and benefit from your issue. ================================================== This posting is provided "AS IS" with no warranties, and confers no rights. Hi, Renaming that many files remotely will be slow, no matter what method you use. Your best approach is to write a OS dependand service , you better do it in C or C++ as it's almost 100% compatible across the different OSes. You will have to use TCP to send the commands SignatureIgnacio Machin, ignacio.machin AT dot.state.fl.us Florida Department Of Transportation > That wouldn't be easy to do because not all of the servers are Windows > machines, and I'm not certain how to write a service on the non-windows [quoted text clipped - 36 lines] >> > better way to speed this up? It needs to be almost as fast as doing it >> > locally on the client. Sounds like there's no magic bullet here like I was hoping. It's too bad there's no way to batch up the commands rather than having to send them each one at a time. Thanks for your suggestions! > Hi, > [quoted text clipped - 44 lines] > >> > better way to speed this up? It needs to be almost as fast as doing it > >> > locally on the client. That service exists, it's called WMI. Willy. | Hi, | [quoted text clipped - 44 lines] | >> > better way to speed this up? It needs to be almost as fast as doing it | >> > locally on the client. Hi, > That service exists, it's called WMI. I find it difficult that WMI runs on a non Win OS , the OP said some of the servers run another OS SignatureIgnacio Machin, ignacio.machin AT dot.state.fl.us Florida Department Of Transportation | Hi, | | > That service exists, it's called WMI. | | I find it difficult that WMI runs on a non Win OS , the OP said some of the | servers run another OS This shouldn't be an issue, WBEM (MSFT's implementation is called WMI) is available for most commercial OS like Linux, Netware, AIX, HP-UX, there are even a number of open-source implementations available. Willy. Hi Don, Another consideration is why you need change so many file names. Can you do some file name mapping in your application? You just change the relationship in the mapping hash and do not change real file name. HTH, Ryan > I have a C# client app that sometimes needs to do thousands of specialized > file renames of files on a file server in the same domain. If the files [quoted text clipped - 13 lines] > better way to speed this up? It needs to be almost as fast as doing it > locally on the client. Interesting idea, but yes, I really do need to change the actual names of the files. > Hi Don, > [quoted text clipped - 24 lines] > > better way to speed this up? It needs to be almost as fast as doing it > > locally on the client. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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