You can follow these steps for your version also .


If you will keep the data directory same in Cassandra.yaml, data will be picked in new node.





From: Adeel Akbar []
Sent: Tuesday, June 05, 2012 12:11 PM
Subject: Cassandra Upgrade from 0.8.1


Dear Guys,


Thank you so much for your reply.


Currently I have two Cassandra nodes running in ring.  I have installed Cassandra on following location;




Now my questions are;


1.       How we upgrade (Step by Step version like 0.8.1 to 0.8.5, then 0.8.5 to 1.0.0……….to 1.1.0)

2.       Once I take snapshot, is it have full data or only one node data?

3.       Once I download apache-cassandra-0.8.5-bin.tar.gz then after untar, What Can I do? I only move few folder from previous version directory to new version directory or move all directories and files.

4.       After moving data is there any command required ?



Thanks & Regards


Adeel Akbar