From 0aaf157079437fd122ee50835ce70cb566f557bf Mon Sep 17 00:00:00 2001
From: Ceki Gulcu <ceki@qos.ch>
Date: Wed, 1 Feb 2017 08:51:50 +0100
Subject: [PATCH] increase initial StringBuilder size

---
 .../java/ch/qos/logback/core/pattern/PatternLayoutBase.java  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/logback-core/src/main/java/ch/qos/logback/core/pattern/PatternLayoutBase.java b/logback-core/src/main/java/ch/qos/logback/core/pattern/PatternLayoutBase.java
index 500224132..f416ecf2d 100644
--- a/logback-core/src/main/java/ch/qos/logback/core/pattern/PatternLayoutBase.java
+++ b/logback-core/src/main/java/ch/qos/logback/core/pattern/PatternLayoutBase.java
@@ -27,6 +27,9 @@ import java.util.Map;
 
 abstract public class PatternLayoutBase<E> extends LayoutBase<E> {
 
+
+    static final int INTIAL_STRING_BUILDER_SIZE = 256;
+    
     Converter<E> head;
     String pattern;
     protected PostCompileProcessor<E> postCompileProcessor;
@@ -108,7 +111,7 @@ abstract public class PatternLayoutBase<E> extends LayoutBase<E> {
     }
 
     protected String writeLoopOnConverters(E event) {
-        StringBuilder buf = new StringBuilder(128);
+        StringBuilder buf = new StringBuilder(INTIAL_STRING_BUILDER_SIZE);
         Converter<E> c = head;
         while (c != null) {
             c.write(buf, event);
-- 
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