MongoDB 3.0 released

MongoDB 3.0 recently released, is an open-source, document-oriented database designed for ease of development and scaling. Think of MySQL but with JSON-like objects comprising the data model, rather than RDBMS tables. Significantly, MongoDB supports neither joins nor transactions.

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The key features in this latest release include support for the WiredTiger storage engine, pluggable storage engine API, SCRAM-SHA-1 authentication mechanism, and improved explain functionality. MongoDB Ops Manager, which includes Automation, Backup, and Monitoring, is now also available.

MongoDB 3.0 Major Changes

  • Introduces a pluggable storage engine API that allows third parties to develop storage engines for MongoDB
  • Introduces support for the WiredTiger storage engine. With the support for WiredTiger, MongoDB now supports two storage engines:
    • MMAPv1, the storage engine available in previous versions of MongoDB and the default storage engine for MongoDB 3.0, and
    • WiredTiger, available only in the 64-bit versions of MongoDB 3.0.
  • Includes the following security enhancements:
    • Adds a new SCRAM-SHA-1 challenge-response user authentication mechanism.
    • Increases restrictions when using the Localhost Exception to access MongoDB. For details, see Localhost Exception Changed.
  • MongoDB 3.0 includes a new query introspection system that provides an improved output format and a finer-grained introspection into both query plan and query execution
  • Check out full release details for more information

Install MongoDB on Linux

 
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