Speed limit?
I'm on host22. I recently have realized that both POP3 and SFTP (I have no FTP but SFTP) don't go over 14Kb from my server to my home computer.
I don't know if there is any parameter in my Gentoo that can limit this speed, but I don't remember touching anything.
Is there a known issue of Linode? Is it right? My home connection is a 4Mb ADSL and I get more than 300 Kb of downloading from sourceforge so I think the problem is not in my side.
I have plenty of transfer this month: "You have used 5% of your monthly transfer"
Host is not overloaded: "Host Load: medium"
Also, IO tokens are ok:
iocount=11403254 iorate=132 iotokens=399839 tokenrefill=512 token_max=400000
Load seems to be ok too:
load average: 0.32, 0.46, 0.42
(All these parameters taken when downloading was in progress)
Any ideas? Should I open a support ticket?
Thank you in advance!
3 Replies
A good tool is iperf (
Often UDP can be transferred at a greater rate than TCP. Why? Because TCP connections are rate limited by the protocol stack in either end of the connection. It is possible that due to distance or delay or many other factors between you and linode TCP is thinking it should run slower.
Have a good look around the iperf website above, it may help explain some of the potential performance issues you might be having.
I get as much as my cable can handle, about 300KB/s on a completely random file through HTTP.
I'm on host 2 though. I think the problem might actually be on your side. Have you tried offering a file with something as simple as netcat?
YMMV.