#Emcopy vs robocopy large files network windowsThere are two buffered I/O functions commonly used in Windows Applications such as Explorer, Copy, Robocopy or XCopy: ![]() It is effective for speeding up access to files that may change periodically or get accessed frequently. Buffered I/O is intended to speed up future reads and writes to the same file but it has an associated overhead cost. Buffered I/O describes the process by which the file system will buffer reads and writes to and from the disk in the file system cache. what's going on here?Īssuming that you aren't experiencing network issues (and for the purposes of this article, we'll assume a healthy network), the problem lies in the way in which the copy is performed - specifically Buffered v Unbuffered Input/Output (I/O). More often than not, the customer has tried different methods of copying the file including Windows Explorer, Copy, XCopy & Robocopy - with the same results. The most common scenario is copying large SQL databases from server to server, but this could just as easily occur with other file types. By "performance problems", they mean that the file isn't copying as fast as they expect. First published on TECHNET on May 08, 2007įrom time to time, customers will call in to report "performance problems" that they are having when copying large files from one location to another.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |