From a3339bafe8539f7658593526c6d770e029e6ec79 Mon Sep 17 00:00:00 2001
From: Shanicky Chen <peng@risingwave-labs.com>
Date: Wed, 29 May 2024 15:23:03 +0800
Subject: [PATCH] fix: Mixing arrangement backfill and no shuffle backfill can
 lead to scale failure part 2 (#16983)

---
 src/meta/src/stream/scale.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/meta/src/stream/scale.rs b/src/meta/src/stream/scale.rs
index 34759c09ab72..d3bd0683674f 100644
--- a/src/meta/src/stream/scale.rs
+++ b/src/meta/src/stream/scale.rs
@@ -2525,9 +2525,7 @@ impl ScaleController {
         // We trace the upstreams of each downstream under the hierarchy until we reach the top
         // for every no_shuffle relation.
         while let Some(fragment_id) = queue.pop_front() {
-            if !no_shuffle_target_fragment_ids.contains(&fragment_id)
-                && !no_shuffle_source_fragment_ids.contains(&fragment_id)
-            {
+            if !no_shuffle_target_fragment_ids.contains(&fragment_id) {
                 continue;
             }