[K12OSN] one year performance graphs and statistics for two server setups we use

Nadav Kavalerchik nadavkav at gmail.com
Sat Jun 21 19:31:52 UTC 2008

Cacti already monitor SNMP. i was looking for the exact SNMP strings you
might think help me monitor router's bottle-necks , NIC's IO buttle-necks,
cpu wait for IO, squid wait for...
(actually, i monitor some hardware with SNMP. but i did not include it in
the report.)

thanks :-)

On Sat, Jun 21, 2008 at 9:23 PM, Les Mikesell <lesmikesell at gmail.com> wrote:

> Nadav Kavalerchik wrote:
>> we have 16 ltsp servers deployed in our district (Israel, Petach Tikwa).
>> for smaller computer lab with maximum 24 terminals we use Core2Duo+2GB RAM
>> setup
>> and for 48/72 terminals (in a school) we use Quad+4GB RAM setup.
>> i picked up two schools and extracted some graphs (generated by Cacti)
>> from the last year,
>> showing both server's setups.
>> i also have sar statistics that are more fine if anyone cares to go
>> through.
>> (it 10MB gz data each) and (i use ksar to view it. great tool btw)
>> http://docs.google.com/Doc?id=dfs4fjnj_190f58h9xfs
>> what i always like to know about the servers is how much the cpu waits for
>> IO
>> or the NICs for buffers to fill ? and if the proxy needs more memory
>> and does it get
>> the web content fast enough... ? is samba's file sharing is optimized ?
>> if any of you have any ideas how to monitor those bottle-necks please
>> enlighten me :-)
>> i love to get more quality stats next year.
> It might be overkill for this, but OpenNMS (http://www.opennms.org) will
> monitor the things that snmp reports - and your router and switches as well
> if they support snmp.  They have a yum repository that makes it fairly easy
> to install now.
> --
>  Les Mikesell
>   lesmikesell at gmail.com
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