Method compression_level

be/src/runtime/tmp-file-mgr.h:327–327

    return compression_codec_ != THdfsCompression::NONE;
  }
  std::optional<int> compression_level() const { return compression_level_; }
  bool punch_holes() const { return punch_holes_; }

  /// The minimum size of hole that we will try to punch in a scratch file.