From b086c5d607606db01aeae1dbc396c2bbf56a5f80 Mon Sep 17 00:00:00 2001
From: WenFeiYi <wenfeiyi666@gmail.com>
Date: Mon, 10 Jun 2019 05:28:27 +0800
Subject: [PATCH] HBASE-22284 optimization StringBuilder.append of
 AbstractMemStore.toString #182

---
 .../org/apache/hadoop/hbase/regionserver/AbstractMemStore.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/AbstractMemStore.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/AbstractMemStore.java
index cbd3b1632d8c..3c3834a4df8a 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/AbstractMemStore.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/AbstractMemStore.java
@@ -259,7 +259,7 @@ public String toString() {
     int i = 1;
     try {
       for (Segment segment : getSegments()) {
-        buf.append("Segment (" + i + ") " + segment.toString() + "; ");
+        buf.append("Segment (").append(i).append(") ").append(segment.toString()).append("; ");
         i++;
       }
     } catch (IOException e){