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LOGO
Splunk
LOGO
Splunk ?
Splunk is a high performance, scalable software server written in
C/C++ and Python
It indexes and searches logs and other IT data in real time.
Splunk works with data generated by any application, server or device
It is big data solution and provides parallelism
Updated information of the log
Analyze the logs generated by the system
Interact with system directory
LOGO
Splunk ?
The Splunk Developer API is accessible via REST, SOAP or the
command line.
Splunkd is a distributed C/C++ server that accesses, processes and
indexes streaming IT data and also handles search requests.
splunkweb is a Python-based application server providing the
Splunk Web user interface
LOGO
Splunk Features
Features
Reporting Monitoring
Log
Analysis
Altering Dashboards
LOGO
Different ways of using Splunk
Splunk
Splunk
Enterprise
Splunk
Cloud Splunk Light
Limitations Compare with Enterprise and Cloud
5 Users 250 GB HA & DR Clustering
Distributed
Search
LOGO
Splunk Enterprise vs Cloud
LOGO
Splunk Architecture
LOGO
Splunk Server
LOGO
Splunk Components
Server 1
(UF)
Server 2
(UF)
Server 3
(UF)
Server 3
(UF)
Load
Balance
HF HF
Load
Balance
Indexer 1 Indexer 2
Search 1 Search 2
Report
Dashboard
App
Alert
License
Master
Deployment
LOGO
Universal Forward (UF)
It is light weight component and push
technology & push the data to the
Heavy forwarder
We have to install UF S/W at client side
or application server
We need to configure the path to
forward the logs E.G. <c:/logs> to
10.0.0.23
We can’t generate any report or
dashboard by UF
Only forwards the log data
Universal Forward (UF)
Load Balancer (LB)
Heavy Forward (HF)
Load Balancer (LB)
Indexer (LB)
Search head (SH)
License manager (LM)
Deployment Server (DS)
LOGO
Heavy Forward (HF)
Load balancer balance the load
Splunk provides default load balancer or we can use
your own load balancer
Heavy forward is heavy component
By using HF you can filter the data Example collect
only error logs
Splunk has very good expression based interface to
filter the data
We can install in place of universal forwarder ->
Heavy forwarder but it impact the application
performance hence, best practice is install UF at client
side
Universal Forward (UF)
Load Balancer (LB)
Heavy Forward (HF)
Load Balancer (LB)
Indexer (LB)
Search head (SH)
License manager (LM)
Deployment Server (DS)
LOGO
Heavy Forward (HF)
Indexer is the very critical component
Splunk indexer works more effectively
Indexer stores the and index the data
Index helps the search performance
By default splunk does the index i.e. host, source and
date & time
Universal Forward (UF)
Load Balancer (LB)
Heavy Forward (HF)
Load Balancer (LB)
Indexer (LB)
Search head (SH)
License manager (LM)
Deployment Server (DS)
LOGO
Heavy Forward (HF)
Search goes back to the indexer and pulls the data
It providers reports, dashboard
It providers alters
It providers apps
Universal Forward (UF)
Load Balancer (LB)
Heavy Forward (HF)
Load Balancer (LB)
Indexer (LB)
Search head (SH)
License manager (LM)
Deployment Server (DS)
LOGO
Heavy Forward (HF)
Deployment server helps to deploy the configuration
e.g. update the UF configuration file
License update
App’s deployment
Something you want to share between the component
we can use the deployment server
Universal Forward (UF)
Load Balancer (LB)
Heavy Forward (HF)
Load Balancer (LB)
Indexer (LB)
Search head (SH)
License manager (LM)
Deployment Server (DS)
LOGO
Heavy Forward (HF)
License is based on volume & usage E.G. 50 GB per
day
Splunk always check the licenses
Universal Forward (UF)
Load Balancer (LB)
Heavy Forward (HF)
Load Balancer (LB)
Indexer (LB)
Search head (SH)
License manager (LM)
Deployment Server (DS)
LOGO
Types of Data Splunk Can Read
LOGO
Splunk Initial Screen
LOGO
Splunk Settings
LOGO
Splunk Search

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Splunk Architecture

  • 2. LOGO Splunk ? Splunk is a high performance, scalable software server written in C/C++ and Python It indexes and searches logs and other IT data in real time. Splunk works with data generated by any application, server or device It is big data solution and provides parallelism Updated information of the log Analyze the logs generated by the system Interact with system directory
  • 3. LOGO Splunk ? The Splunk Developer API is accessible via REST, SOAP or the command line. Splunkd is a distributed C/C++ server that accesses, processes and indexes streaming IT data and also handles search requests. splunkweb is a Python-based application server providing the Splunk Web user interface
  • 5. LOGO Different ways of using Splunk Splunk Splunk Enterprise Splunk Cloud Splunk Light Limitations Compare with Enterprise and Cloud 5 Users 250 GB HA & DR Clustering Distributed Search
  • 9. LOGO Splunk Components Server 1 (UF) Server 2 (UF) Server 3 (UF) Server 3 (UF) Load Balance HF HF Load Balance Indexer 1 Indexer 2 Search 1 Search 2 Report Dashboard App Alert License Master Deployment
  • 10. LOGO Universal Forward (UF) It is light weight component and push technology & push the data to the Heavy forwarder We have to install UF S/W at client side or application server We need to configure the path to forward the logs E.G. <c:/logs> to 10.0.0.23 We can’t generate any report or dashboard by UF Only forwards the log data Universal Forward (UF) Load Balancer (LB) Heavy Forward (HF) Load Balancer (LB) Indexer (LB) Search head (SH) License manager (LM) Deployment Server (DS)
  • 11. LOGO Heavy Forward (HF) Load balancer balance the load Splunk provides default load balancer or we can use your own load balancer Heavy forward is heavy component By using HF you can filter the data Example collect only error logs Splunk has very good expression based interface to filter the data We can install in place of universal forwarder -> Heavy forwarder but it impact the application performance hence, best practice is install UF at client side Universal Forward (UF) Load Balancer (LB) Heavy Forward (HF) Load Balancer (LB) Indexer (LB) Search head (SH) License manager (LM) Deployment Server (DS)
  • 12. LOGO Heavy Forward (HF) Indexer is the very critical component Splunk indexer works more effectively Indexer stores the and index the data Index helps the search performance By default splunk does the index i.e. host, source and date & time Universal Forward (UF) Load Balancer (LB) Heavy Forward (HF) Load Balancer (LB) Indexer (LB) Search head (SH) License manager (LM) Deployment Server (DS)
  • 13. LOGO Heavy Forward (HF) Search goes back to the indexer and pulls the data It providers reports, dashboard It providers alters It providers apps Universal Forward (UF) Load Balancer (LB) Heavy Forward (HF) Load Balancer (LB) Indexer (LB) Search head (SH) License manager (LM) Deployment Server (DS)
  • 14. LOGO Heavy Forward (HF) Deployment server helps to deploy the configuration e.g. update the UF configuration file License update App’s deployment Something you want to share between the component we can use the deployment server Universal Forward (UF) Load Balancer (LB) Heavy Forward (HF) Load Balancer (LB) Indexer (LB) Search head (SH) License manager (LM) Deployment Server (DS)
  • 15. LOGO Heavy Forward (HF) License is based on volume & usage E.G. 50 GB per day Splunk always check the licenses Universal Forward (UF) Load Balancer (LB) Heavy Forward (HF) Load Balancer (LB) Indexer (LB) Search head (SH) License manager (LM) Deployment Server (DS)
  • 16. LOGO Types of Data Splunk Can Read