What causes a server to download slow?

C

chris10121

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Feb 17, 2008
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My server seems to be downloading slowly, it gets from 100 to 400 KB/s when it should be getting 1 to 1.25MB/s. I'm using CentOS 5, does anyone know what causes a server to download files slowly when using wget command?


Thanks in advance,
Chris
 
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Issue an 'ifconfig' and see if you're at full-duplex.
 
eth0 Link encap:Ethernet HWaddr
inet addr: Bcast: Mask:255.255.255.248
Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:208776 errors:0 dropped:0 overruns:0 frame:0
TX packets:102875 errors:11673 dropped:0 overruns:0 carrier:23346
collisions:9736 txqueuelen:1000
RX bytes:90398519 (86.2 MiB) TX bytes:67006232 (63.9 MiB)
Interrupt:185 Base address:0x2000

I removed the IP and mac address if ur wondering why it isn't there. I'm guessing it's full duplex because it's running multicast.
 
I just want to make sure you are typing it right. By MB/s do you mean megabytes a second or megabits a second?

If you mean megabits a second, that is about right on, as 2 megabits a second is 256 kilobytes a second.
 
Katana said:
Mb = Megabits and MB = Megabytes, but yeah youre right :D
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phsss... does anyone know why a server would slow down for reasons other than bandwidth throttling or server being attacked/overloaded.? My tech support said it is probably something to do with teh way I've configured my server, but I haven't really configured much other than adding in a firewall and some security, that might be why, I'll try to disable them and check the speed. I'd get my server support guys to fix it but they charge $70/hour and i'd rather learn myself so I can pass this info on and also be able to fix it next time.

I currently have Els 3.x installed and I've used that to install APF Firewall, rkhunter, BFD, suhosin, and i've used els to chmod dangerous files to root. I've also turned direct login to root off, but that's all I've done, does anyone know if any of these slow down server connection speeds?
 
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chris10121 said:
phsss... does anyone know why a server would slow down for reasons other than bandwidth throttling or server being attacked/overloaded.? My tech support said it is probably something to do with teh way I've configured my server, but I haven't really configured much other than adding in a firewall and some security, that might be why, I'll try to disable them and check the speed. I'd get my server support guys to fix it but they charge $70/hour and i'd rather learn myself so I can pass this info on and also be able to fix it next time.

I currently have Els 3.x installed and I've used that to install APF Firewall, rkhunter, BFD, suhosin, and i've used els to chmod dangerous files to root. I've also turned direct login to root off, but that's all I've done, does anyone know if any of these slow down server connection speeds?
Click to expand...

I dont think thats got anything to do with it. Your bandwidth quality and the whether your on a 10 or 100 port.
 
pucky said:
I dont think thats got anything to do with it. Your bandwidth quality and the whether your on a 10 or 100 port.
Click to expand...


I'm on a 10Mbps connection, other servers around mine can get higher speeds and I cannot.
 
agnivo007 said:
run :
mii-tool
Click to expand...

omg you are the man, seriously i've looked all over how to solve this problem.

Mii-tools saved my life. :)

I had to force my ethernet to use 10baset-fd because it was dropping packets b4. Used: "mii-tool --force=10baseT-FD eth0"
 
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