Hi,
I have a problem with my graphs. I see a lot of spikes on monthly and longer time period graphs. Today I ran rrd_tune and lnms port:tune IPaddress. How can I fix this?
librenms@librenms:~$ lnms config:get --dump | jq | grep rrd
"nfsen_rrds": [
"norrd": false,
"rrd": {
"rrd_purge": 0,
"rrd_rra": " RRA:AVERAGE:0.5:1:2016 RRA:AVERAGE:0.5:6:1440 RRA:AVERAGE:0.5:24:1440 RRA: RRA:MAX:0.5:24:1440 RRA:MAX:0.5:288:1440 RRA:LAST:0.5:1:2016 ",
"rrdgraph_def_text": "-c BACK#EEEEEE00 -c SHADEA#EEEEEE00 -c SHADEB#EEEEEE00 -c CANVAS#
"rrdgraph_def_text_dark": "-c BACK#EEEEEE00 -c SHADEA#EEEEEE00 -c SHADEB#EEEEEE00 -c CA
"rrdgraph_def_text_color": "000000",
"rrdgraph_def_text_color_dark": "f8f9f9",
"rrdgraph_real_percentile": false,
"rrdtool": "/usr/bin/rrdtool",
"rrdtool_tune": true,
"rrdtool_version": "1.7.2",
"ping_rrd_step": 300,
"dir": "/var/lib/smokeping/rrd"
"rrdcached": "unix:/run/rrdcached.sock",
"rrd_dir": "/data/librenms/rrd",
./validate.php output:
===========================================
Component | Version
--------- | -------
LibreNMS | 26.2.0 (2026-02-16T13:13:17+01:00)
DB Schema | 2026_02_13_000000_change_stp_top_changes_to_unsigned_int (365)
PHP | 8.3.6
Python | 3.12.3
Database | MariaDB 10.11.14-MariaDB-0ubuntu0.24.04.1
RRDTool | 1.7.2
SNMP | 5.9.4.pre2
===========================================
[OK] Composer Version: 2.9.5
[OK] Dependencies up-to-date.
[OK] Database Connected
[OK] Database Schema is current
[OK] SQL Server meets minimum requirements
[OK] lower_case_table_names is enabled
[OK] MySQL engine is optimal
[OK] Database and column collations are correct
[OK] Database schema correct
[OK] MySQL and PHP time match
[OK] Active pollers found
[OK] Dispatcher Service is enabled
[OK] Locks are functional
[INFO] Could not read cron files
[OK] Redis is unavailable
[WARN] IPv6 is disabled on your server, you will not be able to add IPv6 devices.
[OK] rrdtool version ok
[OK] Connected to rrdcached
librenms@librenms:~$
