1
vote
2answers
431 views

Why does my local network transfer speed decrease with larger files?

Short version: I have a Linux server (RHEL5) and a Windows 7 Professional laptop on a local wired network. Copying large files to the server gets gradually slower until it stops completely. Long ...
4
votes
6answers
606 views

Effect of distance from server on page load speed

I measured the load speed of a static image file severed by nginx from my server (using pingdom service). The server should normally process this request within few seconds. My server is located in ...
2
votes
2answers
112 views

File transfer - Bandwidth flickering for no reason

We are experiencing file transfer issues. I try to troubleshoot this problem but it is really hard. Here is a screenshot I took while transferring a file from my workstation to another server. The ...
0
votes
5answers
537 views

How do I diagnose slow file transfers from NIC errors/collisions?

I recently attempted to transfer a 3 GB file to a machine on my LAN using rsync -azvP. I noticed I was only getting 50kpbs. Both switch ports are 100/full. When I do an ifconfig, here's what I get: ...
1
vote
4answers
3k views

How do you determine negotiated NIC connection speed/duplexing and how do we keep them consistent?

The Network Windows Server 2008 Dell Gigabit Managed Switch PCs running Vista SP2 with gigabit network cards The Story The 2008 Windows server is new as of a couple months ago and knowing that ...
42
votes
23answers
61k views

How to copy a large number of files quickly between two servers

I need to transfer a huge amount of mp3s between two serves (Ubuntu). By huge I mean about a million files which are on average 300K. I tried with scp but it would have taken about a week. (about 500 ...