added info status statement regarding logging on the console

Signed-off-by: Ceki Gulcu <[email protected]>

Author: ceki

Diff for: logback-core/src/main/java/ch/qos/logback/core/ConsoleAppender.java

@@ -85,6 +85,8 @@ private void targetWarn(String val) {
 
     @Override
     public void start() {
+        addInfo("BEWARE: Writing to the console can be very slow. Avoid logging to the ");
+        addInfo("console in production, especially in high volume systems.");
         OutputStream targetStream = target.getStream();
         // enable jansi only if withJansi set to true
         if (withJansi) {