December 2013
Intermediate to advanced
208 pages
5h 33m
English
Content preview from Practical Cassandra: A Developer’s Approach
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11. Architecture
There are many components of Cassandra’s architecture. This chapter provides an overview of some of the major pieces.
Meta Keyspaces
There are a few meta keyspaces in Cassandra. The System Keyspace is the most common one and the one that exists on all systems. There are special keyspaces within Cassandra that are used to store metadata about the cluster, users and authentication, and the other keyspaces. In the MySQL world, this would be the mysql database. In Mongo, this would be the admin database. In Oracle, this would be the SYSTEM tablespace. An example of another meta keyspace is the CFS (Cassandra File System) keyspace that is used (among other things) as an abstraction layer between a Hadoop connector and Cassandra so ...
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