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

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1answer
107 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 ...
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18 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 ...
7
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1answer
134 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 ...
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2answers
63 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
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1answer
143 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
51 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
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2answers
84 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
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1answer
27 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
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0answers
903 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
138 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
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1answer
271 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 ...
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0answers
80 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 ...
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0answers
61 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
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0answers
77 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 ...
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0answers
59 views

Invalid units in GPRINT in Cacti 0.8.8b

I'm monitoring free SWAP and free RAM memory using SNMP (snmpd 5.4.3). The former is via "UCD-SNMP-MIB::memAvailSwap.0" and the latter via "NET-SNMP-EXTEND-MIB::nsExtendOutputFull" (using extend ...
0
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0answers
26 views

regex in rrdtool_graph series

I have two values currently being reported to rrds in ganglia, and one for each user metadata volume in our system (800+ volumes, one value is called numObjsToDelete, another is called ...
0
votes
1answer
1k 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
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1answer
268 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? ...
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0answers
159 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
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 ...
0
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1answer
94 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 ...
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0answers
81 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
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1answer
629 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 ...
0
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1answer
508 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
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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
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1answer
135 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
331 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
57 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 ...
2
votes
2answers
165 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
116 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
635 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 ...
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
147 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
468 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
334 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
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0answers
157 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
240 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
464 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 ...
2
votes
1answer
630 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
918 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
225 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
13k 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
1k 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
315 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 ...
3
votes
1answer
3k views

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?
2
votes
2answers
2k views

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?
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 ...
2
votes
3answers
1k views

real time traffic monitoring with rrd

Is there any way to monitor bandwidth in visualization form with RRDTool?
0
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1answer
378 views

How to create an efficient download statistics of files hosted with nginx

My problem I have a debian squeeze installation running nginx as my webserver and handling PHP5 requests using php-fpm, which works fine. I have one directory, which holds static zip files of a ...
1
vote
5answers
1k views

Monitor bandwidth over time, excluding certain networks?

I'd like to monitor bandwidth usage of my Linux servers, but there's a catch: traffic between my two servers is not counted against me, only traffic to the internet at large. However, my servers have ...