one read

Signed-off-by: coldWater <[email protected]>

src/query/service/src/spillers/spiller.rs

@@ -362,7 +362,7 @@ impl Spiller {
                     let mut file = tokio::fs::File::open(path).await?;
                     file.seek(io::SeekFrom::Start(data_range.start)).await?;
 
-                    let mut data = Vec::new();
+                    let mut data = Vec::with_capacity(data_range.count());
                     file.take(data_range.count() as u64)
                         .read_to_end(&mut data)
                         .await?;