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MongoDB 2.0中的修改

• Release Notes for MongoDB 2.0
  • 升级
    • Preparation
    • Upgrading a Standalone mongod
    • Upgrading a Replica Set
    • Upgrading a Sharded Cluster
  • Changes
    • Compact Command
    • Concurrency Improvements
    • Default Stack Size
    • Index Performance Enhancements
    • Sharding Authentication
    • Replica Sets
      • Hidden Nodes in Sharded Clusters
      • Priorities
      • Data-Center Awareness
      • w : majority
      • Reconfiguration with a Minority Up
      • Primary Checks for a Caught up Secondary before Stepping Down
      • Extended Shutdown on the Primary to Minimize Interruption
      • Maintenance Mode
    • Geospatial Features
      • Multi-Location Documents
      • Polygon searches
    • Journaling Enhancements
    • New ContinueOnError Option for Bulk Insert
    • Map Reduce
      • Output to a Sharded Collection
      • Performance Improvements
    • New Querying Features
      • Additional regex options: s
      • $and
    • Command Output Changes
    • Shell Features
      • Custom Prompt
      • Default Shell Init Script
    • Most Commands Require Authentication
  • Resources

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