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Table Of Content

ZODB, persistency and transactions¶

  • ZODB Database
    • Introduction
    • Database files
    • Object database features
    • Browsing
    • Packing database
    • Visualizing object graphs
    • Cache size
    • Integrity checks
    • Restart and cache warm-up
    • Recovering old data
    • ZODB tips and tricks
  • Persistent objects
    • Introduction
    • Lists and dictionaries
    • PersistentList vs. normal Python list
    • Persistent, modifications, __setattr__ and transactions
    • Up-to-date reads
    • Accessing broken objects
    • Fixing damaged objects
    • Volatile references
    • Measuring persistent object sizes
  • Transactions
    • Introduction
    • Using transactions
    • Failsafe crawling and committing in batches
    • Transaction boundary events
    • Viewing transaction content and debugging transactions
    • Undoing transactions
  • Object lifecycles
  • Storage
    • Introduction
    • Pickling
    • Binary trees
    • Buckets
    • Storing as attribute vs. storing in BTree
    • BLOBs
    • SQL values
    • Transaction sizes
    • Analysing Data.fs content offline
  • Migrations
  • Documentation
  • Developing for Plone
  • Programming Plone
  • ZODB, persistency and transactions
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