Skip to content

Latest commit

 

History

History
104 lines (78 loc) · 2.23 KB

CASSANDRA.md

File metadata and controls

104 lines (78 loc) · 2.23 KB
Raw

Install Cassandra Cluster

References

http://cassandra.apache.org/doc/latest/getting_started/installing.html#prerequisites

Machines

machine ip address os hostname
node1 192.168.56.150 centos 7 aiden-master
node2 192.168.56.151 centos 7 aiden-slave1
node3 192.168.56.152 centos 7 aiden-slave2

Prerequisites

  • JDK installed

Installation

Download the tar file.

tar zxvf apache-cassandra-3.11.6-bin.tar.gz -C /usr/local
mv /usr/local/apache-cassandra-3.11.6 /usr/local/cassandra-3.11.6

Add below to profile

export CASSANDRA_HOME=/usr/local/cassandra-3.11.6
export PATH=$PATH:$CASSANDRA_HOME/bin

Configuration

On each of the nodes

  • Create directions
mkdir -p /root/cassandra/data
mkdir -p /root/cassandra/commitlog
mkdir -p /root/cassandra/saved_caches
mkdir -p /root/cassandra/hints
  • conf/cassandra.yaml
cluster_name: 'Test Cluster'
...
seed_provider:
    
    - class_name: org.apache.cassandra.locator.SimpleSeedProvider
      parameters:
          
          - seeds: "192.168.56.150,192.168.56.151,192.168.56.152"
...
# For other node, change this accordingly
listen_address: 192.168.56.150


data_file_directories:
    - /root/cassandra/data

commitlog_directory: /root/cassandra/commitlog
saved_caches_directory: /root/cassandra/saved_caches
hints_directory: /root/cassandra/hints

Start

Run as Root

# foreground
cassandra -f -R

# background
cassandra -R

Check

  • nodetool status
[root@aiden-master conf]# nodetool status
Datacenter: datacenter1
=======================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
--  Address         Load       Tokens       Owns (effective)  Host ID                               Rack
UN  192.168.56.152  114.87 KiB  256          66.5%             e901e4e5-7b05-4ef6-9777-7bb5cb22701f  rack1
UN  192.168.56.150  80.64 KiB  256          64.8%             2d390507-c8d7-4d24-8729-56c6527038aa  rack1
UN  192.168.56.151  137.61 KiB  256          68.7%             e6cd3418-4024-4234-93d6-2eb3eec0ab65  rack1

Client

  • cqlsh
[root@aiden-master bin]# cqlsh
Connected to Test Cluster at 127.0.0.1:9042.
[cqlsh 5.0.1 | Cassandra 3.11.6 | CQL spec 3.4.4 | Native protocol v4]
Use HELP for help.
cqlsh>