Of course, none of you are indicating what version(s) of ntop you're
using... if it's not .55 (SourceForge) or .56pre (cvs), then update your
versions.
A basic host record (no sessions) is only 8 or 10KB. A server can eat a lot
more, but still...
I have a couple of patches almost ready to go in which will
1. Add some memory tracking info to the logs. DONE
2. Convert myGlobals.capturePackets from 0/1 to a tri-state (run, stopcap,
term)
In stopcap:
The last rrd data should be saved
The web interface is still up (static) so you can see the memory
tracking data
You can cleanly shutdown.
3. Add logic to ntop_safemalloc (et al) to trap a malloc() error, report is
and change the state from run->stopcap
What will be of interest is these sections from textinfo.html:
Memory allocation - data segment
Memory allocation - mmapped
Host Memory Cache
Host Hash counts
-----Burton
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Arnt
Karlsen
Sent: Friday, January 31, 2003 2:16 PM
To: [EMAIL PROTECTED]
Subject: Re: [Ntop] RE: Ntop crashing and memory usage
On Fri, 31 Jan 2003 12:04:37 -0500,
"Ashley Gates" <[EMAIL PROTECTED]> wrote in message
<[EMAIL PROTECTED]>:
> I have mentioned a similar problem before.
>
> I have a PII-450 with 1 gigabyte of memory and it still crashes!
>
> I use a 7204 VXR with a /20 and using IP flow-export to receive the
> stats.
>
> I would agree that enough memory is necessary but ntop will eat 900
> megs of RAM in a little over an hour!!
..something is dead wrong here: I set up ntop-2.1.3 on a Red Hat-7.3
based bandwidth trottle, hung outside my isp's (and client's) gateway,
serving a "/23" net (actually a 2 /25, 2 /26, a /27 and an untrottled
/27 link net), on an athlon 1.2GHz w 128MB ram. Ran for weeks, until
the box was upgraded to RH's 2.4.18-18 kernel, which didn't like ntop
and/or vice versa. In my own house (surf traffic only) lan, I tried
it on a 450MHz K6-2 with both 128 and 384 MB, and it died (out of
lonelyness?) in an average 5 minutes.
..Luca, Burton, what do you guys need us to test?
--
..med vennlig hilsen = with Kind Regards from Arnt... ;-)
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.
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