| Package | Description | 
|---|---|
| org.apache.giraph.ooc | Package of out-of-core related classes. | 
| org.apache.giraph.ooc.data | Package of classes related to data structures used for an out-of-core
 mechanism | 
| Class and Description | 
|---|
| MetaPartitionManager Class to keep meta-information about partition data, edge data, and message
 data of each partition on a worker. | 
| Class and Description | 
|---|
| DiskBackedDataStore This class provides basic operations for data structures that have to
 participate in out-of-core mechanism. | 
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