ray.data.datasource.FilenameProvider.get_filename_for_task#

FilenameProvider.get_filename_for_task(write_uuid: str, task_index: int) → str[source]#

Generate a filename for a write task.

Override this method to customize filenames when writing a Dataset.

Note

Filenames must be unique and deterministic for a given write UUID and task index.

Parameters:

  • write_uuid – The UUID of the write operation.

  • task_index – The index of the write task.

Returns:

The generated filename string.