Hi Peter, Peter Haag wrote:
> PortTracker is very resource intensive, in terms of CPU. The CPU is spent > in updating the RRD DBs. Usually nftrack needs about 30s to run for a 5min > slot. > > There is an issue, which results in your behaviour, when stopping NfSen, and > restart it some time later. nftrack tries to sync up and updates the 24 > statistic > over all the missing timeslots, which may not complete in a 5min slot. You > may overcome > this issue, by applying the patch appended. Which ignores this update, if too > long ago. Haven't had the time to look at this before now. I've installed this patch, but now I have another problem. > But if your job does not complete whithin 30s to 1min under normal operation > - with no interruption > of NfSen, then you need to upgrade the hardware. Seems like nftrack is getting a segmentation fault. Here is some output from syslog: Mar 23 15:25:30 vm02 nfsen[5119]: comm child 7840 terminated Exit: 0, Signal: 13, Core: 0 Mar 23 15:30:02 vm02 /usr/local/bin/nfcapd[5113]: Ident: 'vakum_gw' Flows: 180, Packets: 479, Bytes: 45345, Sequence Errors: 0, Bad Packets: 0 Mar 23 15:30:21 vm02 /usr/local/bin/nfcapd[5116]: Ident: 'uninett_gw' Flows: 0, Packets: 0, Bytes: 0, Sequence Errors: 0, Bad Packets: 0 Mar 23 15:30:30 vm02 nfsen[5118]: Run periodic at Fri Mar 23 15:30:00 2007 Mar 23 15:30:30 vm02 nfsen[5118]: No continous profiles - nothing to profile Mar 23 15:30:30 vm02 nfsen[5118]: Update profile live in group . Mar 23 15:30:30 vm02 nfsen[5118]: Add .:live:200703231520 Mar 23 15:30:30 vm02 nfsen[5119]: connection on UNIX socket Mar 23 15:30:30 vm02 nfsen[5119]: comm server started: 7851 Mar 23 15:30:30 vm02 nfsen[7851]: Cmd Decode: run-plugins Mar 23 15:30:30 vm02 nfsen[7851]: Plugin Cycle: ., live, 200703231520 Mar 23 15:30:30 vm02 nfsen[7851]: Plugin Cycle: Time: 200703231520, Profile: live, Group: ., Module: PortTracker, Mar 23 15:30:30 vm02 nfsen[7851]: PortTracker run: Profile: live, Time: 200703231520 Mar 23 15:30:30 vm02 nfsen[7851]: /usr/local/bin/nftrack -M /home/nfsen/profiles/live/vakum_gw:uninett_gw -r nfcapd.200703231520 -d /home/nfsen/profiles/nftrack -A -t 200703231520 -s -p -w /home/nfsen/profiles/nftrack/portstat.txt Mar 23 15:30:30 vm02 nfsen[5118]: End periodic at Fri Mar 23 15:30:00 2007 Mar 23 15:30:30 vm02 nfsen[5118]: Run expire at Fri Mar 23 15:30:00 2007 Mar 23 15:30:30 vm02 nfsen[5118]: End expire at Fri Mar 23 15:30:00 2007 Mar 23 15:30:31 vm02 nfsen[7851]: nftrack died with signal 11, without coredump Mar 23 15:30:31 vm02 nfsen[7851]: /usr/local/bin/nftrack -d /home/nfsen/profiles/nftrack -S -p -w /home/nfsen/profiles/nftrack/portstat24.txt Mar 23 15:30:31 vm02 nfsen[7851]: nftrack exited with value 0 Mar 23 15:30:31 vm02 nfsen[7851]: PortTracker run: Done. Mar 23 15:30:31 vm02 nfsen[5119]: comm child 7851 terminated Exit: 0, Signal: 13, Core: 0 If I try to run this manually I get this message: vm02:/home/nfsen/plugins# /usr/local/bin/nftrack -M /home/nfsen/profiles/live/vakum_gw:uninett_gw -r nfcapd.200703231515 -d /home/nfsen/profiles/nftrack -A -t 200703231515 -s -p -w /home/nfsen/profiles/nftrack/portstat.txt Error get data: Requested time slot 'Mar 22 2007 15:10:00' later then last available time slot 'Mar 05 2007 10:30:00' Remove stat line Thu Mar 22 15:10:00 2007 Segmentation fault (This file which the log is reffering to does not exist: /home/nfsen/profiles/nftrack/portstat.txt) Any ideas what is wrong? Regards, Rune Sydskjør, UNINETT ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Nfsen-discuss mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nfsen-discuss
