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

[Les Mikesell]

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