Right -- realizing this was the reason for me to send that first email to this ML ;) :
[snip] > > > > we have just started using ntop on a couple of servers here to > > > > monitor network performance. We are using "-r 60", but, > > > > according to the manual, it only affects screen updates, and [snip] Best, Andre On Thu, 19 Aug 2004 10:01:26 -0500 "Burton M. Strauss III" <[EMAIL PROTECTED]> wrote: > man ntop - it's pretty clear on -r: > > -r | --refresh-time > Specifies the delay (in seconds) between automatic screen > updates > for > those generated HTML pages which support them. This > parameter > allows > you to leave your browser window open and have it always > displaying > nearly real-time data from ntop. > > The default is 3 seconds. Please note that if the delay is > very > short > (1 second for instance), ntop might not be able to process all > of > the > network traffic. > > -----Burton > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf > > Of Andre Costa > > Sent: Thursday, August 19, 2004 4:47 AM > > To: [EMAIL PROTECTED] > > Subject: Re: [Ntop] Sampling interval > > > > > > On Wed, 18 Aug 2004 15:47:10 -0500 > > "Burton M. Strauss III" <[EMAIL PROTECTED]> wrote: > > > > > Nope. > > > > > > Read docs/FAQ there is a discussion of what ntop is. But > > > basically, it's processing every packet on the wire, so of course > > > it's going to run continuously. > > > > Right. I thought so, but I got misled by the refresh parameter. > > > > > You SHOULD be running ntop on it's own server, anyway... > > > > Yeah, now that you mention it, makes a _lot_ of sense... we were > > running it on a couple of machines with -s (no promiscuous) enabled, > > but it makes much more sense to keep it running in promiscuous mode > > on a dedicated (or at least light-loaded) server. > > > > Thks for the tip. > > > > Best, > > > > Andre > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > > > > Behalf Of Andre Costa > > > > Sent: Wednesday, August 18, 2004 1:53 PM > > > > To: ntop ML > > > > Subject: [Ntop] Sampling interval > > > > > > > > > > > > Hi, > > > > > > > > we have just started using ntop on a couple of servers here to > > > > monitor network performance. We are using "-r 60", but, > > > > according to the manual, it only affects screen updates, and > > > > ntop is always ranked among the top 5 processes for CPU usage -- > > > > which suggests it is _not_ running only at every 60s. (... > > > > please apologize if I am overlooking something obvious) > > > > > > > > Is there any parameter to control sampling interval? Some of > > > > these servers are very busy, so it would be good to know we're > > > > not competing for valuable resources. > > > > > > > > TIA > > > > > > > > Andre > > > > > > > > PS: the complete command line we're using is "ntop -b -n -s -z > > > > -r 60-w 3000-d-u ntop" > > > > > > > > -- > > > > Andre Oliveira da Costa > > > > ([EMAIL PROTECTED]) > > > > _______________________________________________ > > > > Ntop mailing list > > > > [EMAIL PROTECTED] > > > > http://listgateway.unipi.it/mailman/listinfo/ntop > > > > > > _______________________________________________ > > > Ntop mailing list > > > [EMAIL PROTECTED] > > > http://listgateway.unipi.it/mailman/listinfo/ntop > > > > > > -- > > Andre Oliveira da Costa > > ([EMAIL PROTECTED]) > > _______________________________________________ > > Ntop mailing list > > [EMAIL PROTECTED] > > http://listgateway.unipi.it/mailman/listinfo/ntop > > _______________________________________________ > Ntop mailing list > [EMAIL PROTECTED] > http://listgateway.unipi.it/mailman/listinfo/ntop -- Andre Oliveira da Costa ([EMAIL PROTECTED]) _______________________________________________ Ntop mailing list [EMAIL PROTECTED] http://listgateway.unipi.it/mailman/listinfo/ntop
