From 778d724e920bff68651b9510693ce2d86d0897f9 Mon Sep 17 00:00:00 2001
From: Luwei <814383175@qq.com>
Date: Tue, 10 Sep 2024 19:28:38 +0800
Subject: [PATCH] [enhancement](balance) change unnecessary write locks to read
 locks in cloud balance

---
 .../apache/doris/cloud/catalog/CloudTabletRebalancer.java  | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudTabletRebalancer.java b/fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudTabletRebalancer.java
index ae34c6b722f7b0..093079437a5c77 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudTabletRebalancer.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudTabletRebalancer.java
@@ -616,10 +616,7 @@ public void loopCloudReplica(Operator operator) {
                     continue;
                 }
                 OlapTable olapTable = (OlapTable) table;
-                if (!table.writeLockIfExist()) {
-                    continue;
-                }
-
+                table.readLock();
                 try {
                     for (Partition partition : olapTable.getAllPartitions()) {
                         for (MaterializedIndex index : partition.getMaterializedIndices(IndexExtState.VISIBLE)) {
@@ -630,7 +627,7 @@ public void loopCloudReplica(Operator operator) {
                         } // end for indices
                     } // end for partitions
                 } finally {
-                    table.writeUnlock();
+                    table.readUnlock();
                 }
             }
         }