Update quickwit/quickwit-control-plane/src/ingest/ingest_controller.rs

Co-authored-by: trinity-1686a <trinity@quickwit.io>

Author: guilload

quickwit/quickwit-control-plane/src/ingest/ingest_controller.rs

@@ -1086,15 +1086,12 @@ impl IngestController {
 
         let shards_to_move: Vec<Shard> = self.rebalance_compute_shards_to_move(model);
 
-        if shards_to_move.is_empty() {
-            crate::metrics::CONTROL_PLANE_METRICS
-                .rebalance_shards
-                .set(0);
-            return Ok(None);
-        }
         crate::metrics::CONTROL_PLANE_METRICS
             .rebalance_shards
             .set(shards_to_move.len() as i64);
+        if shards_to_move.is_empty() {
+            return Ok(None);
+        }
 
         let mut per_source_num_shards_to_open: HashMap<SourceUid, usize> = HashMap::new();