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Cassandra

Cassandra

Cassandra is an eventually consistent key value store similar to HBase and Google`s Bigtable. It implements a distributed hash map with column families originally it supported a Thrift based API very close to HBase`s. Lately Cassandra has moved towards a SQL like query language with much more flexibility around data types, joints and filters. Thankfully the Thrift interface is still there so it`s easy to convert the OpenTSDB HBase schema and calls to Cassandra at a low level through the AsyncHBase HBaseClient API. AsyncCassandra is a shim between OpenTSDB and Cassandra for trying out TSDB with an alternate backend.

Setup

  1. Setup a Cassandra cluster using the ByteOrderedParti