What's new in MongoDB 2.6
Download as PPTX, PDF0 likes5,595 views
The document summarizes the key improvements in MongoDB version 2.6, including improved operations, integrated search capabilities, query system enhancements, improved security features, and better performance and stability. Some of the main updates are bulk write operations, background indexing and replication, storage allocation improvements to reduce fragmentation, full text search integration, index intersection capabilities, aggregation framework enhancements, and auditing functionality. The presentation provides details on each of these areas.
What's new in MongoDB 2.6
- 1. What’s New in MongoDB 2.6 Solutions Architect, MongoDB Inc. Matias Cascallares #MongoDBDays @mcascallares
- 2. Recent Release History 2.4 Mar‘13 2.6 Apr ’14 2.2 Aug ‘12 Aggregation Framework Multi-Data Center Deployments Improved Performance and Concurrency Hash-based sharding Text Search V8 JavaScript engine Faster counts Biggest Release Ever!
- 3. Main Improvement Areas • Operations • Integrated Search • Query System • Security • Performance & Stability
- 4. Operations
- 5. New Wire Protocol Client Server write() getLastError(w, j) result Version 2.4 Version 2.6 write(w, j) result
- 6. Bulk Writes • You need to import big set of documents • … and you want error control • … and you are concerned about performance
- 7. Bulk Writes - Ordered
- 8. Bulk Writes - Unordered
- 9. Maximum Time Per Query
- 10. Background Indexing and Replication Secondar y Secondar y Primary background Version 2.4 Version 2.6
- 11. Storage Allocation • In databases with great delete ratios we can face some fragmentation • Similar effect with those updates that increase document size • Defragment a database can be an expensive operation • Our goal? Reduce database fragmentation
- 12. Storage Allocation • usePowerOf2Sizes will be the default allocation method for new collections 56 bytes 64 bytes 102 bytes 128 bytes
- 14. Text Search • Now production-ready • Integrated with query engine • Integrated with aggregation framework • Multi-language document support
- 15. Features • Language-specific tokenization and stemming • Stop words • Relevance ranking • Field boosting
- 16. Supported Languages da – Danish en – English nl – Dutch fi – Finish fr – French de – German hu – Hungarian it – Italian no – Norwegian pt – Portuguese ro – Romanian ru – Russian es – Spanish sv – Swedish tr - Turkish
- 20. Relevance
- 23. Query System Improvements • Index Intersection • Aggregation Framework • New Update Operators
- 24. Index Intersection • Simpler ad-hoc queries • Existing indexes can be combined to optimize a query – Less Index Maintenance – Smaller Working Set – Lower Write Overhead – MoreAdaptive – Able to control potential intersections using QueryShape
- 26. Aggregation Framework - Output
- 27. Aggregation Framework - Explain
- 28. Aggregation Framework - Explain
- 29. Aggregation Framework - Set Operators • $project operator in the aggregation pipeline now supports an expanded set of expressions – $setIsSubset – $setEquals – $setDifference – $setIntersection – $setUnion – $allElementsTrue – $anyElementTrue
- 30. New Update Operators • $mul • $min/$max • $bit • $currentDate • New modifiers for $push
- 31. Security
- 32. Security • Authentication with LDAP (Enterprise only) • x.509 Certificates • User defined roles • Collection level security • Auditing (Enterprise only) • Windows Kerberos Support
- 33. State of Security in MongoDB 2.6 • Authentication – Who are you? – X.509 authentication and Kerberos • Authorization – What can you do? – User Defined Roles, Collection-levelAccess Control • Auditing – What have you done? – DDL, User Manipulation,Authorization failure
- 34. Roles and Collection-level Security
- 35. Auditing • Schema actions • Replica Set actions • Authentication &Authorization actions • Other actions
- 36. Auditing – Dropping a collection
- 37. Auditing – Shutting down the server
- 39. Improving Performance and Scalability • Query router connection pooling • Mixed SSL connections • Expanded SNMP support • Oplog processing is MUCH faster • New commands for sharded environments
- 40. Thanks Solutions Architect, MongoDB Inc. Matias Cascallares #MongoDBDays @mcascallares