Installation of CassandraDB

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Check out the process for installation of Cassandra database here: Version used: 2.2.5 Java 1.7.0 Tushar B. Kute, Mitu Research, Pune http://tusharkute.com/ http://mitu.co.in/

Technology

Installation of Cassandra DB
Tushar B. Kute,
http://tusharkute.com

Download the binaries
• Download the Cassandra binary file from below
link:
• http://a.mbbsindia.com/cassandra/2.2.5/apache-c
assandra-2.2.5-bin.tar.gz
• Remember the Cassandra 3.0 + needs the Java8
onwards.

Java installation
• Make sure that you have Java installed in your
system by,
$ java -version
• else, install it by,
$ sudo apt-get install openjdk-7-jdk

Extract and copy Cassandra
• Extract the cassandra's tar file by right clicking
on it and selecting 'Extract here' option.
• It will create the folder apache-cassandra-2.2.5.
• Rename this folder as 'cassandra'.
• Now, move this folder to /usr/lib
$ sudo mv cassandra/ /usr/lib

Create directories
• Create data, commitlog, saved_caches and log
directories:
sudo mkdir /usr/lib/cassandra/lib/data
sudo mkdir /usr/lib/cassandra/lib/commitlog
sudo mkdir /usr/lib/cassandra/lib/saved_caches
sudo mkdir /usr/lib/log

Make directory entries
• Open cassandra.yaml file and make these
directory entries in it.
sudo gedit /usr/lib/cassandra/conf/cassandra.yaml
• Go to end of this file and add the following:
data_file_directories:
- /usr/lib/cassandra/lib/data
commitlog_directory: /usr/lib/cassandra/lib/commitlog
saved_caches_directory: /usr/lib/cassandra/lib/saved_caches

Make log directory entry
• Open logback.xml
sudo gedit /usr/lib/cassandra/conf/logback.xml
• Edit the line number 35 as,
<file>/usr/lib/cassandra/log/system.log</file>

Edit the bashrc file
• Open the bashrc file:
sudo gedit ~/.bashrc
• Go to end of the file and add following lines.
export CASSANDRA_HOME=/usr/lib/cassandra
export PATH=$PATH:$CASSANDRA_HOME/bin
• Type following command to make it in effect:
source ~/.bashrc

Start the cassandra
• Start the cassandra by following command:
cassandra -f
• Keep this process running at foreground.
• Open another tab in the terminal (ctrl+shift+t)
and type:
cqlsh

tushar@tusharkute.com
Thank you
This presentation is created using LibreOffice Impress 4.2.8.2, can be used freely as per GNU General Public License
Blogs
http://digitallocha.blogspot.in
http://kyamputar.blogspot.in
Web Resources
http://mitu.co.in
http://tusharkute.com

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Installation of CassandraDB

1. Installation of Cassandra DB Tushar B. Kute, http://tusharkute.com

2. Download the binaries • Download the Cassandra binary file from below link: • http://a.mbbsindia.com/cassandra/2.2.5/apache-c assandra-2.2.5-bin.tar.gz • Remember the Cassandra 3.0 + needs the Java8 onwards.

3. Java installation • Make sure that you have Java installed in your system by, $ java -version • else, install it by, $ sudo apt-get install openjdk-7-jdk

4. Extract and copy Cassandra • Extract the cassandra's tar file by right clicking on it and selecting 'Extract here' option. • It will create the folder apache-cassandra-2.2.5. • Rename this folder as 'cassandra'. • Now, move this folder to /usr/lib $ sudo mv cassandra/ /usr/lib

5. Create directories • Create data, commitlog, saved_caches and log directories: sudo mkdir /usr/lib/cassandra/lib/data sudo mkdir /usr/lib/cassandra/lib/commitlog sudo mkdir /usr/lib/cassandra/lib/saved_caches sudo mkdir /usr/lib/log

6. Make directory entries • Open cassandra.yaml file and make these directory entries in it. sudo gedit /usr/lib/cassandra/conf/cassandra.yaml • Go to end of this file and add the following: data_file_directories: - /usr/lib/cassandra/lib/data commitlog_directory: /usr/lib/cassandra/lib/commitlog saved_caches_directory: /usr/lib/cassandra/lib/saved_caches

7. Make log directory entry • Open logback.xml sudo gedit /usr/lib/cassandra/conf/logback.xml • Edit the line number 35 as, <file>/usr/lib/cassandra/log/system.log</file>

8. Edit the bashrc file • Open the bashrc file: sudo gedit ~/.bashrc • Go to end of the file and add following lines. export CASSANDRA_HOME=/usr/lib/cassandra export PATH=$PATH:$CASSANDRA_HOME/bin • Type following command to make it in effect: source ~/.bashrc

9. Start the cassandra • Start the cassandra by following command: cassandra -f • Keep this process running at foreground. • Open another tab in the terminal (ctrl+shift+t) and type: cqlsh

10. Cassandra shell

11. Cassandra shell

12. Cassandra shell

13. tushar@tusharkute.com Thank you This presentation is created using LibreOffice Impress 4.2.8.2, can be used freely as per GNU General Public License Blogs http://digitallocha.blogspot.in http://kyamputar.blogspot.in Web Resources http://mitu.co.in http://tusharkute.com

Installation of CassandraDB

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