Re: How can I measure the network load ?
phn_at_icke-reklam.ipsec.nu
Date: 11/27/03
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Date: Thu, 27 Nov 2003 21:01:08 +0000 (UTC)
In comp.unix.misc norm <norm@sunperf.com> wrote:
> phn@icke-reklam.ipsec.nu wrote in message news:<bq0c7e$2gnm$4@nyheter.ipsec.se>...
>> In comp.unix.misc norm <norm@sunperf.com> wrote:
>> > Nicolas HUYNH <huynh@ath.cena.fr> wrote in message news:<3FBA4235.5030203@ath.cena.fr>...
>> >> Hi
>> >>
>> >> I am looking for a tool allowing to get periodically
>> >> the network load of some machines on a local area network
>> >> (Linux and Solaris 8), and the amount of information
>> >> between clients and servers of my distributed application.
>> >>
>> >> The aim is to gather enough information to optimize
>> >> the distribution of my processes over the network,
>> >> to know which clients/servers are the most bandwith
>> >> consuming in runtime conditons, and so on ...
>> >>
>> >> I tried netstat, but this does not give me full
>> >> satisfaction, and the result is different on Linux
>> >> and Solaris.
>> >>
>> >> Thanks for any advice !
>> >>
>> >> Nicolas
>>
>>
>> > For Solaris, look at http://www.sunperf.com/perfmontools.html
>>
>> > For Linux, I am working on a port currently. These tools do not
>> > require root, so no security problems.
>>
>> > http://www.sunperf.com/images/linux.screen_dump.png
>>
>> > Norm.
>>
>>
>> For solaris linux cisco and every other device that speaks SNMP
>> see mrtg "http://people.ee.ethz.ch/~oetiker/webtools/mrtg/"
>>
>> Will generate historical graphs too, viewable on any html capable
>> device ( yes, you heard right, and in addition it sort of
>> works even with IE )
> There are significant security risks in running snmp. You may
> also be aware that oracle sells database software?
The context was "local lan", where security risks _should_
be of less concern. And even if security is a concern
ipfilter & iptables will allow snmp to be guarded agains
most hazards.
> http://www.postgres.org
> http://www.mysql.org
Who's been talking about databases ? Are you replying on the
wriong article ?
> http://www.kb.cert.org/vuls/id/528719
> You might want to note that Cisco is listed as vulnerable.
> (you brought up Cisco, so I mention it.) There were also
> worms which targeted Solaris SNMP.
Again, you are off-topic. We are discussing ways of
measuring and presenting network load. The day we discuss
security we might call you.
> While I am sure that it has been fixed, what other problems
> are lurking? I would not run SNMP on a network connected to
> the Internet. Despite that, it seems like a lovely tool,
> but no CPU load, Disk IO, or VM statitics did I see. I suppose
> you will now tell me about virtual adrian. My tool uses
> less CPU resources than tools like SE toolkit, or top.
Ahh, you are _advertizing_ ... Bzzzt wrong forum get away!
> I am working on having it generate images, for web browsers as
> well. Something like this:
> http://www.sunperf.com/images/ce0.7.obytes.png
> Thanks for the link.
> Norm.
--
Peter Håkanson
IPSec Sverige ( At Gothenburg Riverside )
Sorry about my e-mail address, but i'm trying to keep spam out,
remove "icke-reklam" if you feel for mailing me. Thanx.
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