See: Description
Class | Description |
---|---|
DatasetBuilder |
Utility for writing a data-set to be read by
ReadStagingDataset outside of an engine context. |
DatasetIterator |
Utility for reading a data-set written by
WriteStagingDataset outside of an engine context. |
DatasetMetadata |
The metadata describing a staging dataset.
|
ForceRecordStaging |
Forces staging of record ports.
|
ForceStaging<P extends LogicalPort> |
Forces the operators on the input and output sides to
execute sequentially, instead of concurrently.
|
ReadStagingDataset |
Reads a sequence of records previously staged to disk.
|
WriteStagingDataset |
Writes a sequence of records to disk in an internal format
for staged data.
|
Enum | Description |
---|---|
DatasetFormatVersion |
Specifies serialization format versions of staging data sets.
|
DatasetStorageFormat |
A description of the the storage format of a data set.
|
A staging dataset is stored in a compact binary form with additional metadata information. Reading data in this form can be faster and more efficient than reading text data. Multiple formats are supported, each providing its own advantages and disadvantages.
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