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Big data & Spark

PySpark jobs, partitioning, batch processing, and large-dataset transform patterns.

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Big data & Spark easy

Compaction Small Files Mock in Python

Simulates a small-files compaction job by creating small mock files and merging them into a single output file using Python's standard library.

compaction file-io mock
Python
from pathlib import Path
import tempfile
import os


def create_small_files(directory: Path, file_count: int = 5, lines_per_file: int = 3):
    """Create several small mock files with sample content."""
    directory.mkdir(exist_ok=True)
    for i in range(file_count):
        file_path = directory / f"part-{i:04d}.tx…
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