From a768016779e3bdbddf310d2d861e74830a62d16c Mon Sep 17 00:00:00 2001
From: kimchy <kimchy@gmail.com>
Date: Wed, 8 Sep 2010 12:16:41 +0300
Subject: [PATCH] Allow to configure a common logger prefix using
 `es.logger.prefix` system prop, closes #360.

---
 .../main/java/org/elasticsearch/common/logging/Loggers.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/elasticsearch/src/main/java/org/elasticsearch/common/logging/Loggers.java b/modules/elasticsearch/src/main/java/org/elasticsearch/common/logging/Loggers.java
index 74a5a3d518fe..a19cac5adf1e 100644
--- a/modules/elasticsearch/src/main/java/org/elasticsearch/common/logging/Loggers.java
+++ b/modules/elasticsearch/src/main/java/org/elasticsearch/common/logging/Loggers.java
@@ -40,6 +40,8 @@ import static org.elasticsearch.common.collect.Lists.*;
  */
 public class Loggers {
 
+    private final static String commonPrefix = System.getProperty("es.logger.prefix", "");
+
     public static final String SPACE = " ";
 
     private static boolean consoleLoggingEnabled = true;
@@ -152,6 +154,6 @@ public class Loggers {
         if (name.startsWith("org.elasticsearch.")) {
             return name.substring("org.elasticsearch.".length());
         }
-        return name;
+        return commonPrefix + name;
     }
 }