Data

Dragon has APIs for managing data in a scalable fashion. A prominent member of these APIs is the distributed dictionary. Descriptions and APIs are grouped together for each of the supported Dragon Data Types.

• Distributed Dictionary
  • Design
  • Performance Considerations
  • Checkpointing
    • Example
  • Dictionary Creation
  • Retiring and Persisting Checkpoints
  • Read Operations
  • Write Operations
  • Message Flow Between Components
    • Bringup, Attach, Detach
    • Teardown
    • Put and Get Interaction
    • Pop
    • Contains
    • Length
    • Clear
    • Get All Keys
  • Python Reference
    • dragon.data.ddict.ddict
      • DDictError
      • DDictManagerFull
      • DDictTimeoutError
      • DDictKeyError
        • DDictKeyError.__init__()
      • DDictCheckpointSync
      • strip_pickled_bytes()
      • DDictManagerStats
        • DDictManagerStats.manager_id
        • DDictManagerStats.hostname
        • DDictManagerStats.total_bytes
        • DDictManagerStats.total_used_bytes
        • DDictManagerStats.num_keys
        • DDictManagerStats.free_blocks
        • DDictManagerStats.__init__()
      • DDict
        • DDict.__init__()
        • DDict.destroy()
        • DDict.serialize()
        • DDict.attach()
        • DDict.detach()
        • DDict.__setitem__()
        • DDict.__getitem__()
        • DDict.__contains__()
        • DDict.__len__()
        • DDict.__delitem__()
        • DDict.pput()
        • DDict.keys()
        • DDict.pop()
        • DDict.clear()
        • DDict.values()
        • DDict.items()
        • DDict.update()
        • DDict.popitem()
        • DDict.copy()
        • DDict.stats
        • DDict.checkpoint()
        • DDict.rollback()
        • DDict.sync_to_newest_checkpoint()
        • DDict.current_checkpoint_id
        • DDict.local_managers()
        • DDict.local_manager()
        • DDict.main_manager()
        • DDict.manager_nodes()
  • C Reference
    • Description
    • Example
    • Structures
      • dragonDDictDescr_t
      • dragonDDictRequestDescr_t
      • dragonDDictSerial_t
        • dragonDDictSerial_t::len
    • Lifecycle Management
      • dragon_ddict_serialize()
      • dragon_ddict_serial_free()
      • dragon_ddict_attach_b64()
      • dragon_ddict_attach()
      • dragon_ddict_detach()
      • dragon_ddict_destroy()
    • Request Management
      • dragon_ddict_create_request()
      • dragon_ddict_finalize_request()
    • Send/Recv Functions
      • dragon_ddict_write_bytes()
      • dragon_ddict_read_bytes()
      • dragon_ddict_read_bytes_into()
      • dragon_ddict_read_mem()
    • Dictionary Operations
      • dragon_ddict_contains()
      • dragon_ddict_get()
      • dragon_ddict_put()
  • Messages