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

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3
votes
1answer
81 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 ...
1
vote
1answer
666 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 ...
0
votes
1answer
148 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
140 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
90 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 ...
0
votes
0answers
19 views

how to remove “&hide-hf=false” query string in ganglia

for some reason my ganglia instance adds "&hide-hf=false" into the url query string when I drill down into any cluster or host, and the page loads blank. removing it allows the page to load ...
0
votes
2answers
71 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
159 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
52 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 ...
3
votes
1answer
3k views

How to change Munin's graph colors?

I started to use Munin for monitoring, but I want to change colors of the graph, which are drawn by it's 'loggrep' plugin. Is there any way to specify colors in the config file?
1
vote
1answer
30 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 ...
1
vote
1answer
156 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" ...
0
votes
0answers
1k 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 ...
0
votes
1answer
315 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 ...
0
votes
0answers
84 views

Cacti fresh install graphs with no values

recently i installed cacti in centos 6 using yum. it seems everything is ok but the graphs(including the default linux cpu/mem,..) are empty with no values. i double checked the permissions. currently ...
0
votes
0answers
64 views

Ganglia: aggregate metrics from one host

copy of: http://stackoverflow.com/questions/20802925/ganglia-aggregate-metrics-from-one-host For example, 2 instances of 1 process produce some metric using gmetric. They launched on one host: ...
1
vote
0answers
81 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
2answers
708 views

Munin - 'by week/month/year' to use the total, rather than the average values?

I have some custom munin graphs that measure an aspect of our sales in our webapp. So I measure "Number of sales so far today". The graph goes up and then reset to 0 at midnight. This is what I want. ...
0
votes
1answer
284 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? ...
0
votes
1answer
2k 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 ...
1
vote
0answers
173 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 \ ...
1
vote
3answers
4k 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
1k 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 ...
1
vote
1answer
92 views

need help, positioning values in rrdtool

DEF:clients=cccam.rrd:kliensek:AVERAGE DEF:activeclients=cccam_actclient.rrd:activeclients:AVERAGE "LINE1:clients#0000FF:Connected clients" COMMENT:" \n" "LINE2:activeclients#99FF00:Active ...
0
votes
1answer
755 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 ...
2
votes
1answer
692 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 ...
2
votes
3answers
14k 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, ...
0
votes
1answer
97 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 ...
3
votes
3answers
2k views

Removing a spike from RRDTool database

I've got an RRDtool graph that has a huge spike after a reboot. I've tried using the popular removespikes.pl script on it, but just returns a "No peaks found.!". What's the best way to take care of ...
1
vote
0answers
84 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 ...
0
votes
1answer
542 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. ...
0
votes
1answer
139 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 ...
2
votes
3answers
1k views

Windows network SNMP traffic overflow?

How would I go about retrieving 64 bit counters for network traffic on windows (Server 2008 specifically)? I'm seeing too many rollovers on the 32 bit counters for our polling interval, leading to ...
1
vote
1answer
346 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" ...
7
votes
3answers
935 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 ...
0
votes
1answer
59 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 ...
1
vote
4answers
7k views

Can't locate RRDs.pm in @INC

If i run any of my perl script without "use lib qw( /opt/rrdtool-1.4.4/lib/perl );" after perl interpreter. I've to face the following error. Can't locate RRDs.pm in @INC (@INC contains: ...
2
votes
2answers
171 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
119 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, ...
2
votes
2answers
2k views

How to correctly use DERIVE or COUNTER in munin plugins

I'm using munin to monitor my server. I've been able to write plugins for it, but only if the graph type is GAUGE. When I try COUNTER or DERIVE, no data is logged or graphed. The plugin i'm ...
4
votes
3answers
1k views

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 ...
6
votes
1answer
4k 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
148 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
496 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
2answers
570 views

Nagios and rrd on a old server

I have an old server (P4 based) on which nagios (and all the other tools to monitor) is running. In the last few weeks we are seeing a strange behavior. In the /var/spool/pnp4nagios (where temporary ...
1
vote
1answer
347 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
160 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
245 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
481 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 ...
1
vote
1answer
233 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 ...