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Cassandra multi node setup script for single host.

Tested cassandra 1.2.3 on Ubuntu 12.0x only

The script make nodes as follows:

node 1: address=127.0.0.1, jmx port=7199
node 2: address=127.0.0.2, jmx port=7200
node 3: address=127.0.0.3, jmx port=7201

Preparation (only OSX)

Create interface aliases you need

sudo ifconfig lo0 alias 127.0.0.2 up
sudo ifconfig lo0 alias 127.0.0.3 up

Getting Started (make 3 nodes)

  1. install cassandra. http://cassandra.apache.org/download/

  2. clone this.

  $ git clone https://github.com/ksauzz/cassandra-multi-node.git
  $ cd cassandra-multi-node
  
  1. create nodes.
  $ ./multi-node.sh create 3 cassandra_home
  
  1. start cassandra multi-node.
  $ ./multi-node.sh start_all
  
  1. show ring status.
  $ nodes/1/bin/nodetool ring
  Note: Ownership information does not include topology, please specify a keyspace. 
  Address         DC          Rack        Status State   Load            Owns                Token
                                                                                            60124436846790647144840725483529043142
  127.0.0.3       datacenter1 rack1       Up     Normal  6.74 KB         87.82%              39402250938272095434520910242661579171
  127.0.0.2       datacenter1 rack1       Up     Normal  13.52 KB        5.27%               48361166307902626090781384884410123881
  127.0.0.1       datacenter1 rack1       Up     Normal  6.74 KB         6.91%               60124436846790647144840725483529043142
  

Usage

usage
-----
  ./multi-node.sh create node_count cassandra_home
  ./multi-node.sh start node_id
  ./multi-node.sh start_all
  ./multi-node.sh stop node_id
  ./multi-node.sh stop_all
  ./multi-node.sh clean

example)
  ./multi-node.sh create 3 /usr/local/cassandra
  ./multi-node.sh stop 2
  ./multi-node.sh start 2

Note

set heap size.

MAX_HEAP_SIZE=512M HEAP_NEWSIZE=128M ./multi-node.sh start_all

TODO

  • avoid using sed.

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Cassandra multi node setup script for single host

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