What's new in the MongoDB Java Driver (2.5)?
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What's new in the MongoDB Java Driver (2.5)?

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Short presentation about what is new with the mongodb java driver version 2.5(.3)

Short presentation about what is new with the mongodb java driver version 2.5(.3)

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What's new in the MongoDB Java Driver (2.5)? What's new in the MongoDB Java Driver (2.5)? Presentation Transcript

  • MongoDB: What’s new in the 2.5 Java driver
    The Highly Scalable, Enterprise Grade, Open Source Database
    Scott Hernandez
  • New
    • URI
    • Unified
    • Basic
    • Replicasets
    • Better change detection
    • Name resolution – re-resolve
    • Map/Reduce
    • Inline
    • Merge
    • Rereduce
  • URI
    mongodb://host:port
    mongodb://host:port,host:port?replicaSet=A,slaveOk=true
    Options (basic):
    • slaveOk
    • replicaSet
    • safe
    • w
    • wtimoutMS
    • fsync
  • Replicasets
    • Better checking
    • Background thread
    • Add/remove members
    • Don’t remove if leads to bad state
    • Support Authentication (with 1.8)
    • Name (re)resolution every 5min
  • Map/Reduce
    • Inline
    • Return in one document (doc size limit)
    • Merge
    • Overwrite existing docs in destination collection
    • Rereduce
    • Include new and existing docs in reduce phase
    • Replace all docs in destination collection
  • Improvements
    • Javadocs
    • Mongo constructors
    • No longer connects; no side effects
    • Exception hierarchy
    • MongoException root
    • Checking max doc size
    • Dynamic from server
  • Breaking changes
    • Map/Reduce w/temp collection
    • Mongo constructors
    • GridFS metadata field(s)
  • Questions
    scott@10gen.com
    Download: http://www.mongodb.com/downloads