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Gaps in interface's bandwidth graphing

https://support.nagios.com/forum/viewtopic.php?t=55920

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Gaps in interface's bandwidth graphing

Posted: Tue Oct 08, 2019 7:38 am
by agpol07
Hi all,

I face a problem with nagios graphing. Sometimes it stops graphing the interface's bandwidth.
Not just in one specific interface, but all..

Image

Re: Gaps in interface's bandwidth graphing

Posted: Tue Oct 08, 2019 9:08 am
by scottwilkerson
do you see any recent results when running the following:

Code: Select all

grep 'MAX load reached' /usr/local/nagios/var/npcd.log

Re: Gaps in interface's bandwidth graphing

Posted: Wed Oct 09, 2019 12:19 am
by agpol07
These are for September and October

Code: Select all

[09-01-2019 13:07:23] NPCD: WARN: MAX load reached: load 11.450000/10.000000 at i=0
[09-02-2019 18:40:54] NPCD: WARN: MAX load reached: load 11.320000/10.000000 at i=0
[09-02-2019 18:41:09] NPCD: WARN: MAX load reached: load 15.030000/10.000000 at i=1
[09-02-2019 18:41:24] NPCD: WARN: MAX load reached: load 11.850000/10.000000 at i=1
[09-03-2019 23:12:38] NPCD: WARN: MAX load reached: load 14.490000/10.000000 at i=0
[09-03-2019 23:12:53] NPCD: WARN: MAX load reached: load 11.430000/10.000000 at i=1
[09-04-2019 17:12:36] NPCD: WARN: MAX load reached: load 10.880000/10.000000 at i=0
[09-04-2019 17:12:51] NPCD: WARN: MAX load reached: load 12.070000/10.000000 at i=1
[09-05-2019 21:37:15] NPCD: WARN: MAX load reached: load 13.060000/10.000000 at i=0
[09-05-2019 21:37:30] NPCD: WARN: MAX load reached: load 10.240000/10.000000 at i=1
[09-06-2019 21:13:08] NPCD: WARN: MAX load reached: load 14.200000/10.000000 at i=0
[09-06-2019 21:13:23] NPCD: WARN: MAX load reached: load 11.130000/10.000000 at i=1
[09-10-2019 00:39:56] NPCD: WARN: MAX load reached: load 13.620000/10.000000 at i=0
[09-10-2019 00:40:11] NPCD: WARN: MAX load reached: load 11.120000/10.000000 at i=1
[09-10-2019 14:16:28] NPCD: WARN: MAX load reached: load 13.270000/10.000000 at i=0
[09-10-2019 14:16:43] NPCD: WARN: MAX load reached: load 11.120000/10.000000 at i=1
[09-10-2019 14:17:30] NPCD: WARN: MAX load reached: load 11.490000/10.000000 at i=0
[09-11-2019 00:10:53] NPCD: WARN: MAX load reached: load 11.990000/10.000000 at i=0
[09-11-2019 00:22:11] NPCD: WARN: MAX load reached: load 12.760000/10.000000 at i=0
[09-11-2019 23:10:48] NPCD: WARN: MAX load reached: load 17.320000/10.000000 at i=0
[09-11-2019 23:11:03] NPCD: WARN: MAX load reached: load 16.130000/10.000000 at i=1
[09-11-2019 23:11:18] NPCD: WARN: MAX load reached: load 12.620000/10.000000 at i=1
[09-11-2019 23:11:33] NPCD: WARN: MAX load reached: load 10.870000/10.000000 at i=1
[09-12-2019 18:40:28] NPCD: WARN: MAX load reached: load 27.030000/10.000000 at i=0
[09-12-2019 18:40:43] NPCD: WARN: MAX load reached: load 23.830000/10.000000 at i=1
[09-12-2019 18:40:58] NPCD: WARN: MAX load reached: load 18.630000/10.000000 at i=1
[09-12-2019 18:41:13] NPCD: WARN: MAX load reached: load 14.580000/10.000000 at i=1
[09-12-2019 18:41:28] NPCD: WARN: MAX load reached: load 11.350000/10.000000 at i=1
[09-12-2019 21:52:10] NPCD: WARN: MAX load reached: load 10.740000/10.000000 at i=0
[09-13-2019 17:06:21] NPCD: WARN: MAX load reached: load 86.000000/10.000000 at i=0
[09-13-2019 17:06:36] NPCD: WARN: MAX load reached: load 148.470000/10.000000 at i=1
[09-13-2019 17:06:51] NPCD: WARN: MAX load reached: load 196.570000/10.000000 at i=1
[09-13-2019 17:07:06] NPCD: WARN: MAX load reached: load 153.170000/10.000000 at i=1
[09-13-2019 17:07:21] NPCD: WARN: MAX load reached: load 119.240000/10.000000 at i=1
[09-13-2019 17:07:36] NPCD: WARN: MAX load reached: load 92.900000/10.000000 at i=1
[09-13-2019 17:07:51] NPCD: WARN: MAX load reached: load 72.320000/10.000000 at i=1
[09-13-2019 17:08:06] NPCD: WARN: MAX load reached: load 56.370000/10.000000 at i=1
[09-13-2019 17:08:21] NPCD: WARN: MAX load reached: load 43.890000/10.000000 at i=1
[09-13-2019 17:08:36] NPCD: WARN: MAX load reached: load 34.310000/10.000000 at i=1
[09-13-2019 17:08:51] NPCD: WARN: MAX load reached: load 26.710000/10.000000 at i=1
[09-13-2019 17:09:06] NPCD: WARN: MAX load reached: load 20.790000/10.000000 at i=1
[09-13-2019 17:09:21] NPCD: WARN: MAX load reached: load 16.190000/10.000000 at i=1
[09-13-2019 17:09:36] NPCD: WARN: MAX load reached: load 12.600000/10.000000 at i=1
[09-13-2019 21:46:04] NPCD: WARN: MAX load reached: load 13.460000/10.000000 at i=0
[09-13-2019 21:46:19] NPCD: WARN: MAX load reached: load 10.700000/10.000000 at i=1
[09-14-2019 00:04:25] NPCD: WARN: MAX load reached: load 13.760000/10.000000 at i=0
[09-14-2019 00:04:40] NPCD: WARN: MAX load reached: load 10.860000/10.000000 at i=1
[09-16-2019 12:07:10] NPCD: WARN: MAX load reached: load 11.890000/10.000000 at i=0
[09-16-2019 19:14:12] NPCD: WARN: MAX load reached: load 10.320000/10.000000 at i=0
[09-17-2019 10:51:37] NPCD: WARN: MAX load reached: load 15.690000/10.000000 at i=0
[09-17-2019 10:51:52] NPCD: WARN: MAX load reached: load 12.510000/10.000000 at i=1
[09-17-2019 22:00:47] NPCD: WARN: MAX load reached: load 10.180000/10.000000 at i=0
[09-18-2019 00:39:34] NPCD: WARN: MAX load reached: load 12.100000/10.000000 at i=0
[09-18-2019 03:45:34] NPCD: WARN: MAX load reached: load 17.080000/10.000000 at i=0
[09-18-2019 03:45:49] NPCD: WARN: MAX load reached: load 20.350000/10.000000 at i=1
[09-18-2019 03:46:04] NPCD: WARN: MAX load reached: load 15.920000/10.000000 at i=1
[09-18-2019 03:46:19] NPCD: WARN: MAX load reached: load 12.470000/10.000000 at i=1
[09-18-2019 09:55:53] NPCD: WARN: MAX load reached: load 11.310000/10.000000 at i=0
[09-18-2019 11:45:13] NPCD: WARN: MAX load reached: load 11.800000/10.000000 at i=0
[09-20-2019 18:47:19] NPCD: WARN: MAX load reached: load 28.270000/10.000000 at i=0
[09-20-2019 18:47:34] NPCD: WARN: MAX load reached: load 22.080000/10.000000 at i=1
[09-20-2019 18:47:49] NPCD: WARN: MAX load reached: load 17.190000/10.000000 at i=1
[09-20-2019 18:48:04] NPCD: WARN: MAX load reached: load 13.450000/10.000000 at i=1
[09-20-2019 18:48:19] NPCD: WARN: MAX load reached: load 10.550000/10.000000 at i=1
[09-24-2019 01:07:19] NPCD: WARN: MAX load reached: load 13.020000/10.000000 at i=0
[09-24-2019 01:07:34] NPCD: WARN: MAX load reached: load 10.270000/10.000000 at i=1
[09-25-2019 22:11:45] NPCD: WARN: MAX load reached: load 13.630000/10.000000 at i=0
[09-25-2019 22:12:00] NPCD: WARN: MAX load reached: load 10.690000/10.000000 at i=1
[09-26-2019 22:04:40] NPCD: WARN: MAX load reached: load 12.610000/10.000000 at i=0
[09-26-2019 22:51:38] NPCD: WARN: MAX load reached: load 10.640000/10.000000 at i=0
[09-27-2019 00:41:19] NPCD: WARN: MAX load reached: load 16.760000/10.000000 at i=0
[09-27-2019 00:41:34] NPCD: WARN: MAX load reached: load 21.670000/10.000000 at i=1
[09-27-2019 00:41:49] NPCD: WARN: MAX load reached: load 17.460000/10.000000 at i=1
[09-27-2019 00:42:04] NPCD: WARN: MAX load reached: load 13.660000/10.000000 at i=1
[09-27-2019 00:42:19] NPCD: WARN: MAX load reached: load 10.790000/10.000000 at i=1
[10-01-2019 23:46:58] NPCD: WARN: MAX load reached: load 10.790000/10.000000 at i=0
[10-03-2019 00:15:20] NPCD: WARN: MAX load reached: load 19.960000/10.000000 at i=0
[10-03-2019 00:15:35] NPCD: WARN: MAX load reached: load 15.680000/10.000000 at i=1
[10-03-2019 00:15:50] NPCD: WARN: MAX load reached: load 12.280000/10.000000 at i=1
[10-03-2019 22:40:03] NPCD: WARN: MAX load reached: load 10.260000/10.000000 at i=0
[10-08-2019 23:36:29] NPCD: WARN: MAX load reached: load 22.420000/10.000000 at i=0
[10-08-2019 23:36:44] NPCD: WARN: MAX load reached: load 17.530000/10.000000 at i=1
[10-08-2019 23:36:59] NPCD: WARN: MAX load reached: load 13.720000/10.000000 at i=1
[10-08-2019 23:37:14] NPCD: WARN: MAX load reached: load 10.750000/10.000000 at i=1

Re: Gaps in interface's bandwidth graphing

Posted: Wed Oct 09, 2019 2:04 am
by agpol07
Is there something that I can check the time it's happening?

Re: Gaps in interface's bandwidth graphing

Posted: Wed Oct 09, 2019 10:10 am
by scottwilkerson
The threshold can be adjusted by editing /usr/local/nagios/etc/pnp/npcd.cfg

and changing this

Code: Select all

load_threshold = 10.0
to this

Code: Select all

load_threshold = 40.0
Then restart npcd

Code: Select all

service npcd restart
The threshold of 10 can be to low on larger systems and it prevents perfdata from being processed if the system load is above that threshold resulting in gaps

Re: Gaps in interface's bandwidth graphing

Posted: Thu Oct 10, 2019 4:47 am
by agpol07
I changed it but the problem remains.

Image

Image

Re: Gaps in interface's bandwidth graphing

Posted: Thu Oct 10, 2019 6:36 am
by scottwilkerson
When did you have the change, and when do these graphs represent? It would only take place for data after the change.

Also, these look like there are values in the troughs.

Re: Gaps in interface's bandwidth graphing

Posted: Thu Oct 10, 2019 6:45 am
by agpol07
I changed the threshold this morning.
Now the graph is like this..

Image

Re: Gaps in interface's bandwidth graphing

Posted: Fri Oct 11, 2019 6:28 am
by scottwilkerson
It looks like there is data in the troughs, if you hover over the low points is there a value?

Re: Gaps in interface's bandwidth graphing

Posted: Mon Oct 14, 2019 3:08 am
by agpol07
Some have data, some not. But even if they have some data, it's not a normal behavior. There is not such a data traffic drop in my network.
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