SYSTEM MONITORING

Using Grafana,

InfluxDB and CollectD

 

 

 

By: Yogesh Jadhav

THE AGENDA:

  • Why Graphical Monitoring?
  • Grafana
  • InfluxDB
  • CollectD
  • Configuration
  • Demo

WHY GRAPHICAL MONITORING?

  • Allows you to understand your system in a glance
  • Easy to understand
  • Easy to use
  • Helps to detect bottlenecks quickly

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GRAFANA INTRODUCTION:

  • Leading Open Source Solution for time series analytics.
  • Provides dynamic dashboards.
  • Provides alerting system.
  • Provides notifications using email and slack like applications.
  • Supports many data sources like InfluxDB, TimescaleDB and also data on rest.
  • Supports User Management.
  • Enterprise version available.

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GRAFANA INSTALLATION:

wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-5.3.2-1.x86_64.rpm 
sudo yum localinstall grafana-5.3.2-1.x86_64.rpm

Redhat / CentOS :

Ubuntu / Debian :

wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana_5.3.2_amd64.deb 
sudo dpkg -i grafana_5.3.2_amd64.deb

Windows: 

http://docs.grafana.org/installation/windows/

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GRAFANA INSTALLATION:

sudo service grafana-server start

Starting Grafana :

Stoping Grafana : 

sudo service grafana-server stop

Start Grafana on boot: 

$ sudo chkconfig --add grafana-server

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InfluxDB INTRODUCTION:

  • Leading Open Source Time Series Database.
  • Developed by InfluxData
  • High Performance.
  • SQL like Query Langauge.
  • Easy to install and configure.
  • Retention Policy.
  • Native support for data collector plugins like telegraf, CollectD and OpenTSDB.
  • Enterprise version available.

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InfluxDB INSTALLATION:

wget https://dl.influxdata.com/influxdb/releases/influxdb-1.6.4.x86_64.rpm
sudo yum localinstall influxdb-1.6.4.x86_64.rpm

Redhat / CentOS :

Ubuntu / Debian :

wget https://dl.influxdata.com/influxdb/releases/influxdb_1.6.4_amd64.deb
sudo dpkg -i influxdb_1.6.4_amd64.deb

Windows: 

https://dl.influxdata.com/influxdb/releases/influxdb-1.6.4_windows_amd64.zip
unzip influxdb-1.6.4_windows_amd64.zip

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InfluxDB INSTALLATION:

service influxdb start

Starting InfluxDB :

Stopping InfluxDB :

service influxdb stop

Starting InfluxDB on boot: 

$ sudo chkconfig --add influxdb

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CollectD INTRODUCTION

  • Unix daemon
  • Collects metric from many sources like OS, Applications, Sensors, Log files.
  • Light weight
  • Supports 100+ read and write plugins like CPU, Memory, PostgreSQL, Interface and Network

https://collectd.org/wiki/index.php/Table_of_Plugins

  • Retention Policy.
  • Native support for data collector plugins like telegraf, CollectD and OpenTSDB.
  • Enterprise version available.

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CollectD INSTALLATION:

wget https://storage.googleapis.com/collectd-tarballs/collectd-5.8.1.tar.bz2
tar xf collectd-version.tar.bz2
cd collectd-version
./configure
make all install

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CollectD INSTALLATION:

service collectd start

Starting InfluxDB :

Stopping InfluxDB :

service collectd stop

Starting InfluxDB on boot: 

$ sudo chkconfig --add collectd

Configuration:

Grafana:

/etc/grafana/grafana.ini

 

admin user​

          admin

authentication type

          In-built authentication

http_port​

          3000

 

http://docs.grafana.org/installation/configuration/​

Configuration:

InfluxDB

/etc/influxdb/influxdb.conf

 

[data]
  dir = "/var/lib/influxdb/data"
  wal-dir = "/var/lib/influxdb/wal"

[retention]
  # enabled = true
  # check-interval = "30m"

[[collectd]]
  enabled = true
  bind-address = ":25826"  #default UDP port for collectd
  database = "collectd"
  retention-policy = ""
  typesdb = "/opt/collectd/share/collectd/types.db"

Configuration:

InfluxDB:

/etc/influxdb/influxdb.conf​

[data]
  dir = "/var/lib/influxdb/data"
  wal-dir = "/var/lib/influxdb/wal"

[retention]
  # enabled = true
  # check-interval = "30m"

[[collectd]]
  enabled = true
  bind-address = ":25826"  #default UDP port for collectd
  database = "collectd"
  retention-policy = ""

Configuration:

CollectD

/opt/collectd/etc/collectd.conf
Interval = 10
LoadPlugin cpu
LoadPlugin df
LoadPlugin disk
LoadPlugin interface
LoadPlugin uptime
LoadPlugin load
LoadPlugin memory
LoadPlugin processes
LoadPlugin swap
LoadPlugin users
LoadPlugin network
LoadPlugin postgresql
LoadPlugin "logfile"
<Plugin "logfile">
  LogLevel "info"
  File "/tmp/collectd.log"
  Timestamp true
</Plugin>
include "/opt/collectd/etc/postgresql.conf"
<Plugin "network">
    Server "127.0.0.1" "25826"
</Plugin>
include "/opt/collectd/etc/postgresql.conf"

MY SETUP:

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