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MongoDB 2.4 中的修改

• Release Notes for MongoDB 2.4
  • Minor Releases
    • 2.4 Changelog
      • 2.4.14
      • 2.4.13 - Changes
      • 2.4.12 - Changes
      • 2.4.11 - Changes
      • 2.4.10 - Changes
      • Previous Releases
    • 2.4.14 – April 28, 2015
    • 2.4.13 – February 25, 2015
    • 2.4.12 – October 16, 2014
    • 2.4.11 – August 18, 2014
    • 2.4.10 – April 4, 2014
    • 2.4.9 – January 10, 2014
    • 2.4.8 – November 1, 2013
    • 2.4.7 – October 21, 2013
    • 2.4.6 – August 20, 2013
    • 2.4.5 – July 3, 2013
    • 2.4.4 – June 4, 2013
    • 2.4.3 – April 23, 2013
    • 2.4.2 – April 17, 2013
    • 2.4.1 – April 17, 2013
  • Major New Features
    • Text Search
    • Geospatial Support Enhancements
    • Hashed Index
    • Improvements to the Aggregation Framework
    • Changes to Update Operators
    • Additional Limitations for Map-Reduce and $where Operations
    • Improvements to serverStatus Command
  • Security Enhancements
  • Performance Improvements
    • V8 JavaScript Engine
      • JavaScript Changes in MongoDB 2.4
        • Improved Concurrency
        • Modernized JavaScript Implementation (ES5)
        • Removed Non-Standard SpiderMonkey Features
          • E4X Extensions
          • Destructuring Assignment
          • Iterator(), StopIteration(), and Generators
          • InternalError()
          • for each...in Construct
          • Array Comprehension
          • Multiple Catch Blocks
          • Conditional Function Definition
          • String Generic Methods
          • Array Generic Methods
          • Array Instance Method toSource()
          • uneval()
    • BSON Document Validation Enabled by Default for mongod and mongorestore
    • Index Build Enhancements
    • Set Parameters as Command Line Options
    • Changed Replication Behavior for Chunk Migration
    • Improved Chunk Migration Queue Behavior
  • Enterprise
    • SASL Library Change
    • New Modular Authentication System with Support for Kerberos
  • Additional Information
    • Platform Notes
    • Upgrade Process
      • 将MongoDB升级到2.4
        • Upgrade Recommendations and Checklist
        • Upgrade Standalone mongod Instance to MongoDB 2.4
        • Upgrade a Replica Set from MongoDB 2.2 to MongoDB 2.4
        • Upgrade a Sharded Cluster from MongoDB 2.2 to MongoDB 2.4
          • 概述
          • Cluster Meta-data Upgrade
            • Considerations
            • Meta-data Upgrade Procedure
            • Resync after an Interruption of the Critical Section
          • Upgrade Sharded Cluster Components
        • Rolling Upgrade Limitation for 2.2.0 Deployments Running with auth Enabled
        • Upgrade from 2.3 to 2.4
        • Downgrade MongoDB from 2.4 to Previous Versions
          • Considerations and Compatibility
          • Upgrade and Downgrade Procedures
            • Basic Downgrade and Upgrade
            • Downgrade to 2.2 After Creating a 2dsphere or text Index
            • Troubleshooting Upgrade/Downgrade Operations
      • Compatibility and Index Type Changes in MongoDB 2.4
        • New Index Types
        • Index Type Validation
    • Other Resources

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