RRDtool is the OpenSource industry standard, high performance data logging and graphing system for time series data.

learn more… | top users | synonyms

0
votes
1answer
16 views

rrd data not same with insert data

I create rrd with this config: rrdtool create cpu.rrd --start N --step=1\ DS:user:GAUGE:2:0:100 \ DS:system:GAUGE:2:0:100 \ DS:nice:GAUGE:2:0:100 \ ...
0
votes
0answers
79 views

How to create custom graph in Observium

I`m trying create custom craph in Observium(http://www.observium.org/). I use this manual http://www.keithrogers.co.uk/?p=12 I can telnet myhost 36602 and receive result: ...
0
votes
1answer
53 views

Change NFSEN to poll and graph every 30 seconds

I am asked to modify a default clean nfsen-1.3.6p1 install to to collect and poll every 30 seconds. I "patched" libexec/NfSenRC.pm's nfdump command arguments that it uses to -w -D -t 30 -p $port -u ...
0
votes
0answers
37 views

rrdtool xport gives no output while graph from same RRD file is as expected

So I've been using this rrdtool command for years to generate a graph from an RRD file: rrdtool graph /tmp/my_temp_filename.png --start=-86400 --end=-300 \ --title="My Title" --vertical-label='bps' ...
0
votes
1answer
44 views

Using multiple instances of rrdcached on a single server?

I'm trying to figure out the best way to use rrdcached on a single server for multiple graphing tools. Currently I'm using cacti, observium and collectd on the same server (running CentOS 6.7) that ...
0
votes
1answer
27 views

RRDTool hangs when updating a rra

I have a strange issue with 2 rra files, each time I try to update them rrdtool update never finishes. This is the definition of one of RRA files: /usr/bin/rrdtool create \ ...
1
vote
1answer
234 views

Can cacti display some TEXT output from mib at my graph?

My switch can check if there is an SFP connector present in its ports and their respective link status. I want to display this information in Cacti graphs for each interface of my switch. The switch ...
0
votes
1answer
21 views

Using MAXNAN to aid aggregrating multiple rrd databases

I have multiple RRD databases each with incomplete data about the availability of a service as observed from different locations. They just record 100 if the service is up, or 0 if it is down. I want ...
0
votes
0answers
364 views

rrdtool graph not updating file

my cati is executing the following command but it is not updating the file /usr/bin/rrdtool graph - --imgformat=PNG --start=1424095759 --end=14241101500 --title='License feature ECHOS (36)' ...
0
votes
2answers
440 views

rrdtool: illegal attempt to update

I'm attempting to read "historical" data from a text file and store in rrdtool to graph later. I have created a new (empty) rrd database with $ rrdtool create monitor_db.rrd --step 900 ...
3
votes
1answer
277 views

Text in munin graphs corrupted

I'm having a problem in one of my servers, where munin is not able to write the text that accompanies each graph correctly. It is written as random squares, but I haven't found anything in the logs ...
2
votes
1answer
2k views

Howto prevent ntopng causing out of disk space and inodes?

I've been trying the ntopng software from http://www.ntop.org/get-started/download on a CentOS box at work to monitor what is happening on our network. The problem I'm having is that I can't find any ...
7
votes
1answer
182 views

rrdgraph generation fails on high IO load

We have a 4 core CPU production system which does a lot of cronjobs , having constant proc queue and an usual load of ~1.5. During night time we do some IO intensive stuff with postgres. We generate ...
0
votes
2answers
265 views

rrddtool unknown_sec 7 and no vaules in rrd file

I am stuck at this from 2 days.I have used rrdtool before with success. This one I just can't fix so far. I have created a rrd file, rrdtool create /var/www/cacti/rra/LUN372.rrd \ -s 300 \ ...
-1
votes
1answer
420 views

No package rrdtool-perl available

On a CentOS release 5.10 (Final) I am trying to install rrdtool to get RRDs.pm but I have no luck. yum install rrdtool-perl Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * ...
1
vote
1answer
140 views

Cacti - Check plist file

I followed this guide to get Cacti up and running. http://10100.org/blog/how-to-install-cacti-on-osx-server-109 Everything is good up until I had to create cacti.plist to configure the poller. In ...
0
votes
2answers
696 views

What controls the Y-axis of data drawn into graphs?

I've recently set up Nagios for a client and have been wondering about some of the graphs we get out of NagioGrapher. For example, all systems use the same graph configuration for their physical ...
1
vote
1answer
45 views

Why are my GPRINT directives not being drawn into my graphs?

I'm using NagiosGrapher 1.7.1 with our Nagios installation. We're using the packages from the official Debian repositories. The graphs I've been building work fine so far, except for any GPRINT ...
0
votes
0answers
2k views

cacti returning empty graphs, showing only “nan”

I installed cacti on a separate user account, on a server running WHM/CPanel. RRDTool and snmpwalk are both installed correctly and when running the poller.php through the user "cacti" (not root), I ...
1
vote
1answer
330 views

Load Average Graph Values in pnp4nagios less than 1.0 denoted by a value “m”

In the graphs generated by pnp4nagios that track server load averages, if the load is less than 1.0, the value is represented by a number in the hundreds denoted by the letter "m". What does the "m" ...
1
vote
2answers
2k views

Aggregating more than two RRDs in RRDGraph returns empty graph

I am using rrd graph to manually generate a graph of aggregated data, based on RRDs that were collected via PNP4Nagios. My issue is that when I try and aggregate more than two sources, I get a blank ...
1
vote
1answer
232 views

tune rrd to increase step and heartbeat (x2)

I've got a bunch of rrds being updated every 5min step = 300 ds[ExeTime].minimal_heartbeat = 600 I need to change this to every 15min. rrdtool tune allows me to change the heartbeat but not the ...
0
votes
1answer
4k views

Cacti's Realtime plugin graphs fine no RRAs written

Got a Cacti instance (CactiEZ with cacti 088a) where I successfully graph with number of bespoke data template and corresponding graph template. Theres one specific however case where the RRAs are ...
0
votes
1answer
568 views

Multiple hosts in the same cacti graph?

I can make this graph on the command prompt using the rrdtool but I cannot make it in Cacti front end as I cannot get the two defs pointing to the two different rrd files. Is this even possible? ...
1
vote
0answers
348 views

How can I get Maximum value on Cacti Graph ?

I wonder how can I can retrieve from Command-line the max value on Cacti graph to an integer on a bash shell script. I tried with the following command: rrdtool graph - \ --start=1380874818 \ ...
0
votes
1answer
2k views

How to change the amount of data stored in pnp4nagios?

I installed pnp4nagios and all is fine, just want change a conf but not know how. Here one can read Using the defaults allows to store the data with a resolution of one minute for the last two ...
0
votes
1answer
187 views

gmetric data submitted doesn't follow dmax value

I have a custom script that is querying a metric port for an application that I'm running and submitting parsed values to ganglia via gmetric. The script runs every minute, so I submit the data to ...
1
vote
0answers
154 views

Graph data in ganglia that is only received periodically without zeroing out

I'm wondering how to fix graphing gaps in a custom metric for my companies application that we retreive every five minutes via cronjob. The cronjob collects the data and puts it into rrds and sends to ...
1
vote
1answer
2k views

munin / rrdtool how to create graph with Y axis has different down and up scales?

It is possible to tell MUMIN plugin draw graph with different up and down Y axis scales? I looked for this on Internet but found nothing. I read mumin docs, but this points to RRDtool docs. In last ...
1
vote
1answer
984 views

collectd stores NaN instead of correct value in ubuntu 12.04

I installed collectd using sudo apt-get install collectd on my ubuntu 12.04, but it just collect NaN values in the rrd files. for example for file named memory-used.rrd this is the values it saved. ...
1
vote
3answers
8k views

How to export munin raw data to CSV?

I'm monitoring my Debian GNU/Linux server with Munin monitoring software. I was wondering whether I could export the raw data used to generate Munin charts? I want to do some in-depth statistical ...
0
votes
1answer
237 views

clever way to update iptables firewall without clearing the counters

can I somehow reload firewall rules using iptables-save definition, without clearing the current runtime version counters? I want some way to only add and remove different rules and keep the old ones ...
1
vote
1answer
613 views

RRD pdp status value

Can someone explain to me the ds[fan_speed].value field in this RRD? rrdtool info gives: rrd_version = "0003" step = 300 last_update = 1360341382 ds[fan_speed].type = "GAUGE" ...
0
votes
1answer
73 views

Graphing data in munin, need to ignore already seen values

I am trying to graph how many ms a REST command is taking. The command is issued many times a minute. Here is the plugin that I wrote: #!/bin/bash # # Collect stats for the timing of ...
3
votes
2answers
214 views

Restore min/avg/max graphs in Munin 2

I just migrated from Munin 1.4 to Munin 2.0.6 on Ubuntu Server 12.04 LTS. The weekly graphs no longer show min/max values, only the avg. How do i get those back? Thanks Maciej
1
vote
1answer
150 views

cacti : Terminology about ups, room temperature etc

We use cacti for graphing lots of metrics : Windows server related metrics go under a branch called "windows". Unix, Linux and storage metrics go under a branch called "Unix". Switch, firewalls, ...
1
vote
1answer
964 views

Is Ganglia's RRD module a bottleneck?

I want to monitor a LOT of metrics on a lot of machines, and from Graphite website, I noticed that ganglia's RRD compoent probably impose scalability issue from the following FAQ explaining why ...
7
votes
1answer
7k views

How to migrate all Cacti devices from 5 minute polls to 1 minute polls?

I have just taken over a Cacti server and am having a nightmare moving from 5 minute polls to 1 minute polls. So far, I have changed the data template along with the Step (from 300 down to 60) and ...
1
vote
1answer
198 views

Move Munin on new server with old data

I have to move my Munin instance on new server. I've installed from package (Debian) Munin 2.x. All was fine, but ... I copied /var/lib/munin to new server. But after updating munin overwrite old data ...
2
votes
1answer
887 views

Cacti is ignoring hash marks in interface aliases

I'm attempting to set up Cacti to monitor a router's interfaces, and I'm having trouble getting the graph templates to show the information that I'd like. Our interface configuration looks like ...
1
vote
1answer
446 views

nTop RRD file architecture

I have a gig of nTop RRD files and I would like to start graphing them with rrdtool (but not with nTop, since I'm hoping to do this with a separate backup of the database as workaround to the ...
1
vote
0answers
184 views

nTop Graphing Scripts

I would like to graph the RRD files that nTop creates, but I don't want to re-invent the wheel. What I Know There is an API for nTop that involves python. I have read the details of it yet. I know ...
0
votes
1answer
306 views

How to chart a per minute figure from an incrementing number in Munin

I've got a database number that increments in real time with certain page views. I want to make a Munin chart which charts not the total, but how it's changed from minute to minute. I know it's ...
1
vote
1answer
708 views

Graphing increase in value in cacti

I have a data source which returns the number of messages sent since startup. I want to be able to graph this, but I'm unsure of the best way. What I'm thinking is graphing the increase in messages ...
3
votes
1answer
2k views

Calculate average of every 5 samples with rrdtool or other languages

I want to make an average of 5 samples and calculate a single value: Current output - I put resolution of 5 minutes but receive 5 samples: $ rrdtool fetch file.rrd AVERAGE -r 300 --start 1200000000 ...
7
votes
3answers
1k views

How to display a graph only for business hours with CACTI?

I have noticed that I can only display an uninterrupted period with CACTI. I am wondering whether is possible or not to make a custom graph which displaying only the business hours during a period (a ...
1
vote
1answer
310 views

RRDtool: Separate and sum datasources with RRD files

I have a .RRD file in with an old statistics and I want to separate one datasource and add to the new statistics. These 2 RRD are in the same format but with different names of datasources and ...
2
votes
3answers
23k views

Cacti rrdtool graph with no values, NaN in .rrd file

Cacti 0.8.7h, with latest RRDTool. I successfully graphed CPU/Interface traffic, but got blank graphs like when it comes to Memory/Temperature monitoring. The problem/bug is actually archived here, ...
2
votes
1answer
3k views

ethernet interface octets and packets

I am trying to make sense of some RRD interface graphs, I am new to this and have searched. What is incoming/outgoing(mbps) if_octets and what the maximum octets an eth0 interface can take? What is ...
1
vote
0answers
348 views

Can nTop process sFlow data to reveal source and destination to be reviewed visually?

I tried rephrasing the question title about five times before arriving on this title. Does nTop have the "built-in facilities" to process sFlow data so that a graph of source and destination of ...