July 2011 Entries
I recently need to migrate all the data from a Cassandra cluster on EC2 into a Cassandra cluster that was behind our private firewall. Not only that, but the cluster ring sizes of the source and destination cluster were different. I kicked around some crazy stupid ideas for a while, when someone pointed out that Cassandra 0.8.1 shipped with a new tool called sstableloader (angles start singing here...) sstableloader is a tool that basically reads a folder full of Cassandra Keyspace data and index ......