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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.

97 questions
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How to reset munin graphs

I'd like to reset all graphs for a certain host in Munin. Anyone who knows how I can do this?
Ztyx
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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 a graph showing the load/memory usage…
Dennis Nolte
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Reconnoiter - Anyone using it?

Reconnoiter is a new tool in the world of monitoring. It is not only a trending tool but also an alerting/fault detection one. IMHO, I reckon that it's in the trending capacities that Reconnoiter has a very huge potential. One of the premises…
Marco Ramos
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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 Heartbeat (from 600 down to 120), and I have also…
William Hilsum
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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 week, a month, etc.). For example, I would like…
Blast Raider
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How do I collect SNMP readings from intermittently-connected sites?

I am collecting SNMP data on-site for a number of systems, currently using Cacti. These systems are spread on a number of sites that aren't always connected to internet, but I also need to centralize the data on a single system (datacenter housed…
Luke404
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rrdtool display min max avg in legend

Pardon me but I'm still new to rrd graphing. I've come across lot of graphs where the MIN, MAX and AVG values are displayed alongside the legend labels. How do I create such graphs?
Flint
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where documentation of rrddump XML format is?

I am using rrdtools for storing metrics of my server and want to dump this rrd to XML using rrddump command. so documentation of this XML format is needed, where can i find this?
shreyas
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How to change Munin's graph colors?

I started to use Munin for monitoring, but I would like to change colors of the graph, which are drawn by the plugin loggrep. Is there any way to specify colors in the config file?
Alexander Artemenko
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Cacti gets data but does not show a graph

I use Cacti to monitor the call load of a Squire MG1000. I have created a graph using the SNMP Generic OID template. In the graph overview, I also see data for current, average and maximum calls but no graph for the calls of the MG1000. When I…
Sven
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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 that could point me to the problem. Anyone had a…
Simon
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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 one I found nothing.
Znik
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Munin - Load old/historic data from a database to prepopulate the graphs?

I have a Munin setup that monitors some data from our database about the number of sales. My munin plugin extracts this data from the database with a query. I could run this query for any time in the past to see what the output would have been had I…
Amandasaurus
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Is RRD Consolidation Deceiving Me?

The gap in this graph is when the reboot happened. The memory drop is before the reboot (There is 16 GB in the machine, and free confirms the drop -- so it isn't a graph issue). Is the memory drop actually before the reboot, or is this just a trick…
Kyle Brandt
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MRTG + RRDTool Hourly Graph

I am using MRTG + RRDtool to monitor the bandwidth on each switchport of a Cisco Catalyst 2950 via snmp. Is MRTG capable of generating an hourly graph? With RRDtool I was able to set the interval to 1 minute in hopes of getting a more detailed…
SuperMicro321
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