Skip decimate for small files

Author: bouweandela

src/ref_sample_data/data_request/base.py

@@ -120,6 +120,11 @@ def decimate_dataset(self, dataset: xr.Dataset) -> xr.Dataset | None:
         xr.Dataset
             The downscaled dataset
         """
+        # If less than 10 MB skip decimating
+        small_file_threshold = 10 * 1024**2
+        if dataset.nbytes < small_file_threshold:
+            return dataset
+
         if "time" in dataset.dims and self.time_span is not None:
             result = dataset.sel(time=slice(*self.time_span))
             if result.time.size == 0: