ray.data.block.BlockMetadata

class ray.data.block.BlockMetadata(num_rows: int | None, size_bytes: int | None, schema: type | pyarrow.lib.Schema | None, input_files: List[str] | None, exec_stats: BlockExecStats | None)

Metadata about the block.

DeveloperAPI: This API may change across minor Ray releases.

Methods

Attributes

num_rows	The number of rows contained in this block, or None.
size_bytes	The approximate size in bytes of this block, or None.
schema	The pyarrow schema or types of the block elements, or None.
input_files	The list of file paths used to generate this block, or the empty list if indeterminate.
exec_stats	Execution stats for this block.