3
votes
1answer
351 views

Maximise network transfer speed of various applications

When using nc, scp, wget to transfer files between 2 machines on a dedicated 2Mbps link, I get speeds between 0.5 and 1 Mbps. However, when I use iperf -c 10.0.1.4 -t 20 -P 12 (for example) I can ...
6
votes
4answers
5k views

Why do file copy operations in Linux get slower over time?

I have 12 ~200 MB files. Copying one of them to another drive takes 20 seconds. When I try to copy all of them at once, it first says it's going to take 5 minutes, then it keeps slowing down into the ...
1
vote
1answer
367 views

Copying a large number of small text files between two servers over WAN

We have a few thousand small files (2-20KB) to copy between servers in one folder for backup purposes. Currently the process is automated as a cron job and does of SCP copy of each file to the remote ...
0
votes
1answer
151 views

Moving one large archive, or many individual files and folders?

Is it faster to move files between media in large pieces (i.e. many files and folders within an archive) or move them file-by-file? Is there a significant difference, considering that the file ...
17
votes
7answers
840 views

Why is distributing random pieces of a file faster than a contiguous transfer?

Why is it said that BitTorrent is faster, partly, because it transfers random pieces of a file instead of transferring it from start to finish in a contiguous/linear fashion? EDIT: But why do they ...
3
votes
5answers
20k views

How can I calculate how long it will take to transfer a file over LAN?

I want to know about the method with which we can calculate data transfer speed. If I am sending a 1 GB file through a 1 Gb/s LAN connection, from one computer to another, how much time will it take ...
0
votes
1answer
1k views

Slow transfer with memory stick (819 kb/s)

What do I do to optimize the file transfer rate of a Memory Stick Duo? The file transfer was not like this when it was still new. Can reformatting give new life to a memory stick? It takes about 20 ...
1
vote
0answers
65 views

Computer Studdering When Transferring Over Network

This is a really weird problem that I've never even seen before. When I copy to or from my server share, my computer studders terribly and the data transfers very slowly at only around 12MB/s. By ...
7
votes
4answers
21k views

AFP, SMB, NFS which is the best data transfer protocol?

I have a computer with large hard disks running Gentoo. I have to serve med/big files via a wired network to Apple devices (all of them running OS X). Which protocol is the best for the following ...
0
votes
2answers
3k views

Firewire 800 data transfer too slow on Macbook Pro Unibody and Win7 RC

I'm trying to back up some data on an external hard drive and am finding the transfer rate to be unbearably slow. My environment is as follows: Macbook Pro Unibody (late 2008) Windows 7 RC, 64-bit ...
2
votes
4answers
8k views

What might limit data transfer rate to NAS?

I have two NAS (Buffalo Linkstation Pro, WD MyBook World), which are connected to 2 PCs with a Gigabit LAN connection. All devices are in "Gigabit mode", meaning all show that their connection speed ...
13
votes
14answers
42k views

What's the fastest way to transfer files between 2 computers? [closed]

Let's say that I have 80Gb of data to transfer from one computer to another. What's the fastest method to transfer that files? Network transfer? DVD Recording? Copying in a pen drive? Removing one ...