Use smaller number of boss threads in the example

.. because usually there's no need to use many boss threads.

example/src/main/java/io/netty/example/applet/AppletDiscardServer.java

@@ -41,7 +41,7 @@ public class AppletDiscardServer extends JApplet {
 
     @Override
     public void init() {
-        bossGroup = new NioEventLoopGroup();
+        bossGroup = new NioEventLoopGroup(1);
         workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap bootstrap = new ServerBootstrap();

example/src/main/java/io/netty/example/discard/DiscardServer.java

@@ -35,7 +35,7 @@ public class DiscardServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/echo/EchoServer.java

@@ -39,7 +39,7 @@ public class EchoServer {
 
     public void run() throws Exception {
         // Configure the server.
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/factorial/FactorialServer.java

@@ -33,7 +33,7 @@ public class FactorialServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/filetransfer/FileServer.java

@@ -50,7 +50,7 @@ public class FileServer {
 
     public void run() throws Exception {
         // Configure the server.
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/http/cors/HttpServer.java

@@ -75,7 +75,7 @@ public class HttpServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/http/file/HttpStaticFileServer.java

@@ -29,7 +29,7 @@ public class HttpStaticFileServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/http/helloworld/HttpHelloWorldServer.java

@@ -36,7 +36,7 @@ public class HttpHelloWorldServer {
 
     public void run() throws Exception {
         // Configure the server.
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/http/snoop/HttpSnoopServer.java

@@ -35,7 +35,7 @@ public class HttpSnoopServer {
 
     public void run() throws Exception {
         // Configure the server.
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/http/upload/HttpUploadServer.java

@@ -34,7 +34,7 @@ public class HttpUploadServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/http/websocketx/html5/WebSocketServer.java

@@ -58,7 +58,7 @@ public class WebSocketServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             final ServerBootstrap sb = new ServerBootstrap();

example/src/main/java/io/netty/example/http/websocketx/server/WebSocketServer.java

@@ -49,7 +49,7 @@ public class WebSocketServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/http/websocketx/sslserver/WebSocketSslServer.java

@@ -48,7 +48,7 @@ public class WebSocketSslServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/objectecho/ObjectEchoServer.java

@@ -38,7 +38,7 @@ public class ObjectEchoServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/portunification/PortUnificationServer.java

@@ -38,7 +38,7 @@ public class PortUnificationServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/proxy/HexDumpProxy.java

@@ -39,7 +39,7 @@ public class HexDumpProxy {
                 remoteHost + ':' + remotePort + " ...");
 
         // Configure the bootstrap.
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/sctp/NioSctpEchoServer.java

@@ -39,7 +39,7 @@ public class NioSctpEchoServer {
 
     public void run() throws Exception {
         // Configure the server.
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/sctp/OioSctpEchoServer.java

@@ -39,7 +39,7 @@ public class OioSctpEchoServer {
 
     public void run() throws Exception {
         // Configure the server.
-        EventLoopGroup bossGroup = new OioEventLoopGroup();
+        EventLoopGroup bossGroup = new OioEventLoopGroup(1);
         EventLoopGroup workerGroup = new OioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/securechat/SecureChatServer.java

@@ -33,7 +33,7 @@ public class SecureChatServer {
     }
 
     public void run() throws InterruptedException {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/socksproxy/SocksServer.java

@@ -30,7 +30,7 @@ public final class SocksServer {
     public void run() throws Exception {
         System.err.println(
                 "Listening on*:" + localPort + "...");
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/spdy/server/SpdyServer.java

@@ -50,7 +50,7 @@ public class SpdyServer {
 
     public void run() throws Exception {
         // Configure the server.
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/telnet/TelnetServer.java

@@ -32,7 +32,7 @@ public class TelnetServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();

example/src/main/java/io/netty/example/worldclock/WorldClockServer.java

@@ -33,7 +33,7 @@ public class WorldClockServer {
     }
 
     public void run() throws Exception {
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
+        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
         try {
             ServerBootstrap b = new ServerBootstrap();