How To Install Cassandra V3 On CentOS 6

In this blog, we will explain how to Install Cassandra v3 on CentOS 6. Apache Cassandra is a NoSQL database intended for storing large amounts of data in a decentralized, highly available cluster.

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Pre-requisite to install Cassandra on CentOS or Linux

Install Java 8 on Linux

Create Cassandra.repo file

Install Cassandra on Linux:

Command to start Cassandra service on Linux:

Make Cassandra to start automatically after reboot:

Command to restart Cassandra service on Linux

Command to shutdown Cassandra service on Linux

Cassandra related files:

Cassandra commands for service start|stop|status:

Cassandra known Issue:

Cassandra Solutions 1:

Cassandra Solution 2:

Pre-requisite to install Cassandra on CentOS or Linux

Check Java version if it is already installed:

[root@Sks-cluster-linux ~]# java -version
java version "1.8.0_151"
Java(TM) SE Runtime Environment (build 1.8.0_151-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.151-b12, mixed mode)
[root@Sks-cluster-linux ~]#

Install Java 8 on Linux

$ sudo yum install java-1.8.0-openjdk

Create Cassandra.repo file

– so that you can install from the yum command:

[root@Sks-cluster-linux ~]# cat /etc/yum.repos.d/cassandra.repo
[cassandra]
name=Apache Cassandra
baseurl=https://www.apache.org/dist/cassandra/redhat/311x/
gpgcheck=0
enabled = 1
repo_gpgcheck=0
gpgkey=https://www.apache.org/dist/Cassandra/KEYS
[root@Sks-cluster-linux ~]#

Install Cassandra on Linux:

[root@Sks-cluster-linux ~]# sudo yum install Cassandra

Command to start Cassandra service on Linux:

[root@Sks-cluster-linux ~]# service cassandra start

Make Cassandra to start automatically after reboot:

[root@Sks-cluster-linux ~]# chkconfig cassandra on

Command to restart Cassandra service on Linux

service cassandra restart

Command to shutdown Cassandra service on Linux

service cassandra stop

Cassandra related files:

/etc/cassandra/conf/cassandra-env.sh
/var/log/cassandra/cassandra.log
/var/log/cassandra/debug.log
/var/log/cassandra/gc.log.0.current
/var/log/cassandra/system.log

Cassandra commands for service start|stop|status:

service cassandra start
service cassandra stop
service cassandra status

Cassandra known Issue:

ERROR: [root@sks-cluster-linux~]# service cassandra status

cassandra dead but pid file exists

(OR)

ERROR:

CassandraDaemon.java:706 - Local host name unknown: java.net.UnknownHostException

Cassandra Solutions 1:

//This error may be because of heap-memory of system – check your system memory (free -m/2 after divide it should be greater than 2GB)

//So upgrade your box to min 6GB

Cassandra Solution 2:

In AWS EC2, when you install Cassandra you can have this problem because of the initially configured hostname which is set to ip-x-x-x-x being x-x-x-x the EC2 instance private address. The steps to solve it:

Edit network configuration file /etc/sysconfig/network