From e14c52c25f2d79051020622442f14f2615a0141b Mon Sep 17 00:00:00 2001
From: hfutatzhanghb <hfutzhanghb@163.com>
Date: Mon, 19 Jun 2023 17:19:23 +0800
Subject: [PATCH] HDFS-17053. Optimize method BlockInfoStriped#findSlot to
 reduce time complexity. (#5757). Contributed by farmmamba.

Signed-off-by: Ayush Saxena <ayushsaxena@apache.org>
---
 .../hadoop/hdfs/server/blockmanagement/BlockInfoStriped.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfoStriped.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfoStriped.java
index 4b8d092935..e9c5324e79 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfoStriped.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfoStriped.java
@@ -105,7 +105,8 @@ private void initIndices() {
 
   private int findSlot() {
     int i = getTotalBlockNum();
-    for (; i < getCapacity(); i++) {
+    int capacity = getCapacity();
+    for (; i < capacity; i++) {
       if (getStorageInfo(i) == null) {
         return i;
       }