docs: not persist of the input stream is empty
@@ -140,6 +140,9 @@ impl Storage {
///
/// returns the path to which the chunk was written, the size of
/// the bytes, and the parquet metadata
+ ///
+ /// Nothing will be persisted if the input stream returns nothing as
+ /// a result of hard deletes and deduplications
pub async fn write_to_object_store(
&self,
chunk_addr: ChunkAddr,
