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Questions tagged [rrdtool]

RRDtool (acronym for round-robin database tool) aims to handle time-series data like network bandwidth, temperatures, CPU load etc.

RRDtool (acronym for round-robin database tool) aims to handle time-series data like network bandwidth, temperatures, CPU load etc. This time series data is then automatically compressed based on the RRA (acronym for round-robin archive) defined at the time of creation. This allows the data to be retrieved at a high rate, but the storage footprint remains the same over time. The downside to this is granularity is lost over time. See the RRDtool documentation for more details.

http://oss.oetiker.ch/rrdtool/doc/index.en.html

http://en.wikipedia.org/wiki/RRDtool

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crontab no such file or directory

I am trying to bring up a cron job that executes a python script every 5 minutes looking like this: echo '2-57/5 * * * * $HOME/raspberry_pi/temp_test.py >> $HOME/raspberry_pi/temp_test.log 2>&1' | crontab - Looking into the generated logfile I am…
anatomy
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Pure PHP rrdtool

does anyone know a pure-php implementation of rrdtool? I googled this question, but only found answers about interfacing PHP & rrd...
Pierre-Yves Gillier
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Increase RRD step

We have situation with Zennos that collecting cycle was 30s and we have a lots of data already collected. Now we need to increase collection period to 300s. Problem is that zenoss stop rendering graphs it you do it just like that. So we need to…
dubravko sever
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Get /extract the real data from Cacti database

I use Cacti to monitor my network devices and it works. But I have some trouble when I try to get data without graph (stored to text). So I tried to make my own SNMP monitoring app with a traffic formula: (Data(now)-Data(now-1)*8/time…
sidzaky
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How can I align the fields in the legend of an RRDtool graph with Perl?

I'm plotting graphs with Perl using RRDs/RRDtool. I'm able to generate a graph with a legend, but I'm struggling to align the fields in the legend. The code I'm using…
taiko
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Is it possible to access the Cacti RRD database over the network

is it possible to access the Cacti RRD (Round Robin Database) from a different machine over the network? We want to be able to create our own custom graphs by querying the Cacti RRD database (e.g. given a router hostname, give me the bandwidth…
Miguel Sevilla
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RRDtool bad format problem

I'm using RRDtool for graphing some monitoring information. One problem I faced when using rrd is using GRPINT directive. I use following command to graph networking Rx/Tx data: rrdtool graph out.png -v bytes -a PNG --start "-6 hour" --title "WLAN…
Denis Bazhenov
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append-only databases?

i need to log some data from multiple processes concurrently (on Windows), to be plotted and whatnot later. rrdtool is great, but i don't have data at regular intervals. what else is there? edit: basically, i don't have "time-series data", so the…
just somebody
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rrdtool get average value over the last week

I'm trying to get the average value over last week week from a rra file. /var/www/html/cacti/rra/traffic.rrd What I am doing right now is using the following command to get all the data over the last week then compute the average using other…
user3839908
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Point Graphite to Ganglia RRDs

I am following the instructions "Point Graphite to Ganglia RRDs" at https://github.com/ganglia/monitor-core/wiki/Ganglia-Graphite to analyze Ganglia RRD files. My rrdcached was running. I see the navigation tree of metrics. If I select a metric, I…
David Y.
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Force date and day name to appear in X axis

I need to make both the day name and the date appear in the X-axis. So far, rrdtool seems to decide whether to put the date (only the day of the month though, eg: 17, 18 etc) or the day name depending on the size of the rendered image. As seen in…
user9993
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RRDTOOL & Retina (high DPI) screens

I would like to get a 2x version of a given chart (so I can have a retina @2x friendly version) the problem is that when I render the 2x version the way the data is displayed changes slightly. Has anybody had any luck producing retina friendly…
Johnnie Walker
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Make recommendations on building (or setting up) an RRD Tool based web app for website monitoring that is simpler than Cacti?

I think Cacti is great except for the fact that it takes hours to configure it. There is a lot that you can do with it but I find it a little overly complicated. A script collecting disk utilization recently broke on me (for no apparent reason), I…
Dave Jensen
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pip unable to install rrdtool

I running on Debian 6.0 with Python 2.6.6. I execute sudo pip install rrdtool and get following error. /usr/include/python2.6/unicodeobject.h:477: note: expected ‘const char *’ but argument is of type ‘int’ error: command 'gcc' failed with exit…
conandor
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RRDtool what use are multiple RRAs?

I'm trying to implement rrdtool. I've read the various tutorials and got my first database up and running. However, there is something that I don't understand. What eludes me is why so many of the examples I come across instruct me to create…
Mausy5043
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