ray.data.block.BlockMetadata
ray.data.block.BlockMetadata#
- class ray.data.block.BlockMetadata(num_rows: Optional[int], size_bytes: Optional[int], schema: Optional[Union[type, pyarrow.lib.Schema]], input_files: Optional[List[str]], exec_stats: Optional[ray.data.block.BlockExecStats])[source]#
Bases:
object
Metadata about the block.
DeveloperAPI: This API may change across minor Ray releases.
- num_rows: Optional[int]#
The number of rows contained in this block, or None.
- size_bytes: Optional[int]#
The approximate size in bytes of this block, or None.
- schema: Optional[Union[type, pyarrow.lib.Schema]]#
The pyarrow schema or types of the block elements, or None.
- input_files: Optional[List[str]]#
The list of file paths used to generate this block, or the empty list if indeterminate.
- exec_stats: Optional[ray.data.block.BlockExecStats]#
Execution stats for this block.