[CentOS] centos server network speed check???
Anthony
akcentos at anroet.com
Tue Mar 29 10:32:06 UTC 2011
On 29/03/11 11:29, mcclnx mcc wrote:
> To answer your questios:
>
> 1. network is Intranet not internet.
>
> 2. servers CPU and I/O are very light. We did use "sar -u" and sar -b to check.
>
> 3. is NOT only one server has this network slow problem. at least 4 to 5 servers on that rack all report slow. it is NOT possible all servers on that rack are all heavy load.
>
Try using 'nethogs' during the time when network is slow on the suspect
machines. It will show you which processes on the local machine are
hogging the network bandwidth! I don't know why I explained that last
part; it is self explanatory :)
I was most likely talking out loud, so forgive me!
Ak.
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