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Questions tagged [rrdtool]

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

RDtool is the OpenSource industry standard, high performance data logging and graphing system for time series data. RRDtool can be easily integrated in shell scripts, perl, python, ruby, lua or tcl applications.

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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 directives I use. They're simply not processed at…
Oliver Salzburg
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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" stand for?
Jon Buys
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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 graph. I believe I have the correct CDEF format,…
Geekman
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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 steps. Can I simply change the heartbeat to 1800?…
Douglas
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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 \ --end=1380889218 \ …
cgasp
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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 ganglia for aggregation and collection.…
580farm
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Problem installing ntop on FreeBSD 6.2

I'm following the instructions at http://www.ntop.org/download.html. At some point during the ./configure phase of the install, I get this error message: configure: error: Unable to find RRD at /usr/local/rrdtool: please use --with-rrd-home=DIR I…
Ian
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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. 0003 10 1366005779 …
Moeen M
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Get Spikes from RRD data

I have a lot of data collected in rrd files. Does anyone know of a script, or part of the rrd toolset that will show 'spikes'. Basically I would like to give it a window specified by start time and end time. Then maybe a threshold above the…
Kyle Brandt
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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, routers and load balancers related metrics go under a…
user130370
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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 whisper got invented in the first place. If the problem…
chen
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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 and i have empty graph :( Could you tell me why?…
Rafał Kamiński
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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 impossibility of limiting the RRD files by size), but I…
Seanny123
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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 that nTop is open-source, but it is written in C…
Seanny123
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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 since the last interval (the data source doesn't…
giggsey
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