Naming

libs/core/src/main/java/org/elasticsearch/core/internal/net/NetUtils.java

@@ -70,7 +70,7 @@ private static <T> SocketOption<T> getExtendedSocketOptionOrNull(String fieldNam
      * Such a high value can result in firewalls eagerly closing these connections. To tell any intermediate devices that
      * the connection remains alive, we explicitly set these options to 5 minutes if the defaults are higher than that.
      */
-    public static void setSaneDefaultKeepAliveOptions(NetworkChannel socketChannel) {
+    public static void tryEnsureReasonableKeepAliveConfig(NetworkChannel socketChannel) {
         assert socketChannel != null;
         try {
             if (socketChannel.supportedOptions().contains(StandardSocketOptions.SO_KEEPALIVE)) {

libs/nio/src/main/java/org/elasticsearch/nio/SocketChannelContext.java

@@ -350,7 +350,7 @@ private void configureSocket(Socket socket, boolean isConnectComplete) throws IO
                     }
                 }
             }
-            NetUtils.setSaneDefaultKeepAliveOptions(socket.getChannel());
+            NetUtils.tryEnsureReasonableKeepAliveConfig(socket.getChannel());
             socket.setTcpNoDelay(socketConfig.tcpNoDelay());
             int tcpSendBufferSize = socketConfig.tcpSendBufferSize();
             if (tcpSendBufferSize > 0) {

modules/transport-netty4/src/main/java/org/elasticsearch/transport/netty4/Netty4Transport.java

@@ -310,7 +310,7 @@ protected void initChannel(Channel ch) throws Exception {
             addClosedExceptionLogger(ch);
             assert ch instanceof Netty4NioSocketChannel;
             if (ch instanceof Netty4NioSocketChannel) {
-                NetUtils.setSaneDefaultKeepAliveOptions(((Netty4NioSocketChannel) ch).javaChannel());
+                NetUtils.tryEnsureReasonableKeepAliveConfig(((Netty4NioSocketChannel) ch).javaChannel());
             }
             ch.pipeline().addLast("logging", new ESLoggingHandler());
             // using a dot as a prefix means this cannot come from any settings parsed
@@ -337,7 +337,7 @@ protected void initChannel(Channel ch) throws Exception {
             addClosedExceptionLogger(ch);
             assert ch instanceof Netty4NioSocketChannel;
             if (ch instanceof Netty4NioSocketChannel) {
-                NetUtils.setSaneDefaultKeepAliveOptions(((Netty4NioSocketChannel) ch).javaChannel());
+                NetUtils.tryEnsureReasonableKeepAliveConfig(((Netty4NioSocketChannel) ch).javaChannel());
             }
             Netty4TcpChannel nettyTcpChannel = new Netty4TcpChannel(ch, true, name, ch.newSucceededFuture());
             ch.attr(CHANNEL_KEY).set(nettyTcpChannel);