From 0ca29553075e62c551e600c7ace8355d5f480c10 Mon Sep 17 00:00:00 2001
From: sevev <qiangzh95@gmail.com>
Date: Mon, 2 Sep 2024 17:35:06 +0800
Subject: [PATCH] BugFix: Fix the bug in the FE clone scheduling that causes an
 infinite loop

Signed-off-by: sevev <qiangzh95@gmail.com>
---
 .../src/main/java/com/starrocks/clone/TabletSchedCtx.java      | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fe/fe-core/src/main/java/com/starrocks/clone/TabletSchedCtx.java b/fe/fe-core/src/main/java/com/starrocks/clone/TabletSchedCtx.java
index 4cf74fff3f3c1..80822d2120766 100644
--- a/fe/fe-core/src/main/java/com/starrocks/clone/TabletSchedCtx.java
+++ b/fe/fe-core/src/main/java/com/starrocks/clone/TabletSchedCtx.java
@@ -696,6 +696,9 @@ public boolean chooseDestReplicaForVersionIncomplete(Map<Long, PathSlot> backend
             } else if (replica.getLastSuccessVersion() > replica.getLastFailedVersion()) {
                 chosenReplica = replica;
                 break;
+            } else if (replica.getVersion() < chosen.getVersion()) {
+                // we should first repair the lower version replica
+                chosenReplica = replica;
             } else if (replica.getLastFailedVersion() < chosenReplica.getLastFailedVersion()) {
                 // it's better to select a low last failed version replica
                 chosenReplica = replica;