Thanks, Dave - Other than the wc for the rrdtool dump and the actual size of the files mine looks similar to yours. Here are the outputs for those commands on my box:
$ ls -lh la.rrd vmstat.rrd -rw-r--r--. 1 xymon xymon 213K Jan 30 14:53 la.rrd -rw-r--r--. 1 xymon xymon 3.5M Jan 30 15:16 vmstat.rrd $ rrdtool info la.rrd | fgrep 'index = ' ds[la].index = 0 rrdtool info vmstat.rrd | fgrep 'index = ' ds[cpu_r].index = 0 ds[cpu_b].index = 1 ds[cpu_w].index = 2 ds[mem_swpd].index = 3 ds[mem_free].index = 4 ds[mem_buff].index = 5 ds[mem_cach].index = 6 ds[mem_si].index = 7 ds[mem_so].index = 8 ds[dsk_bi].index = 9 ds[dsk_bo].index = 10 ds[cpu_int].index = 11 ds[cpu_csw].index = 12 ds[cpu_usr].index = 13 ds[cpu_sys].index = 14 ds[cpu_idl].index = 15 ds[cpu_wait].index = 16 $ rrdtool dump la.rrd | wc 27054 214609 2251244 $ rrdtool dump vmstat.rrd | wc 28558 216225 11768579
The rrddefinitions.cfg file looks like this:
Xymon RRD parameters
This defines the number of datapoints stored for each RRD, and the
RRD "consolidation functions" applied. See the rrdtool documentation
for details.
NB: Changes here only apply to newly created RRD files. To change
your existing RRD databases, use the rrdtool utilities to modify
your existing files.
include additional sections
directory /etc/xymon/rrddefinitions.d
Each section key is the column- or data-name reported from your
client test. Typically this is "cpu", "memory", "tcp", or some
custom test you have created.
Definition for frequent ifmib polling (once per 60 seconds)
The setup for this is identical in granularity to the default
setup, but since data is fed into the RRD once every 60 seconds,
we use 5 times as many Primary data points for each of the
Consolidated data points actually stored in the RRD file.
[ifmib/60] RRA:AVERAGE:0.5:5:576 RRA:AVERAGE:0.5:30:576 RRA:AVERAGE:0.5:120:576 RRA:AVERAGE:0.5:1440:576
This one is the default setup. You can change it, if you like.
[] # 576 datapoints w/ 5 minute interval = 48 hours @ 5 min avg. RRA:AVERAGE:0.5:1:576 # 576 datapoints w/ 6*5 minute averaged = 12 days @ 30 min avg. RRA:AVERAGE:0.5:6:576 RRA:MIN:0.5:6:576 RRA:MAX:0.5:6:576 # 576 datapoints w/ 24*5 minute averaged = 48 days @ 2 hour avg. RRA:AVERAGE:0.5:24:576 RRA:MIN:0.5:24:576 RRA:MAX:0.5:24:576 # 576 datapoints w/ 288*5 minute averaged = 576 days @ 1 day avg. RRA:AVERAGE:0.5:288:576 # 8064 datapoints w/ 5 minute interval = 28 days @ 5 min avg. RRA:HWPREDICT:8064:0.1:0.0035:2016
Does anyone know when the line 'RRA:HWPREDICT:8064:0.1:0.0035:2016' was added to this configuration by default?
Thanks, *Eliza Danyi* Operating Systems Analyst Virginia Commonwealth University E-mail: danyiem at vcu.edu
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On Tue, Jan 29, 2019 at 6:02 PM Dave "doughnut" Fogarty < doughnut at doughnut.net> wrote:
That seems pretty bug to me. Mine are all under a meg.
When you run 'rrdtool info somebigfile.rrd' does it have a lot of different data-sources ("ds")? Mine tend to directly correlate.
Here's some output from looking at a couple average rrd files for me.
$ ls -l la.rrd vmstat.rrd -rw-r--r-- 1 xymon xymon 19640 Jan 29 14:09 la.rrd -rw-r--r-- 1 xymon xymon 323384 Jan 29 14:24 vmstat.rrd $ rrdtool info vmstat.rrd | less $ rrdtool info la.rrd | less $ rrdtool info la.rrd | fgrep 'index = ' ds[la].index = 0 $ rrdtool info vmstat.rrd | fgrep 'index = ' ds[cpu_r].index = 0 ds[cpu_b].index = 1 ds[cpu_w].index = 2 ds[mem_swpd].index = 3 ds[mem_free].index = 4 ds[mem_buff].index = 5 ds[mem_cach].index = 6 ds[mem_si].index = 7 ds[mem_so].index = 8 ds[dsk_bi].index = 9 ds[dsk_bo].index = 10 ds[cpu_int].index = 11 ds[cpu_csw].index = 12 ds[cpu_usr].index = 13 ds[cpu_sys].index = 14 ds[cpu_idl].index = 15 ds[cpu_wait].index = 16 $ rrdtool dump la.rrd | wc 2399 18567 195686 $ rrdtool dump vmstat.rrd | wc 2991 19271 1030655
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