diff --git a/client/Socket.php b/client/Socket.php
index de2d2c4..9092cf6 100644
--- a/client/Socket.php
+++ b/client/Socket.php
@@ -3,6 +3,7 @@
 abstract class Socket
 {
 	const RECEIVE_TIMEOUT = 10;
+	const TCP_CORK = 3;
 
 	protected $sock;
 	protected $throw_exception_on_timeout;
@@ -107,8 +108,10 @@ abstract class Socket
 	{
 		$len = strlen($s);
 		$lens = chr(($len >> 0) & 0xFF) . chr(($len >> 8) & 0xFF) . chr(($len >> 16) & 0xFF) . chr(($len >> 24) & 0xFF);
+		socket_set_option($this->sock, SOL_TCP, self::TCP_CORK, 1);
 		$this->iterativeSend($lens);
 		$this->iterativeSend($s);
+		socket_set_option($this->sock, SOL_TCP, self::TCP_CORK, 0);
 	}
 
 	/*
@@ -141,8 +144,7 @@ class IPSocket extends Socket
 		if ($this->sock === FALSE) 
 		{
 			throw new Exception("Error creating socket: ".socket_last_error()." ".socket_strerror(socket_last_error()));
-		}
-		//socket_set_option($this->sock, SOL_TCP, TCP_NODELAY, 1);
+		} 
 		$this->connected = false;
 		$this->host = $ip;
 		$this->port = $port;
diff --git a/client/test_client.php b/client/test_client.php
index 59e8a16..17b960f 100644
--- a/client/test_client.php
+++ b/client/test_client.php
@@ -13,9 +13,9 @@ $log_start = hrtime(true);
 
 function logTime($message)
 {
-	global $log_start;
+	/*global $log_start;
 	$current = (hrtime(true) - $log_start) / 1000000.0;
-	print(sprintf("%.3f", $current)." ".$message."\n");
+	print(sprintf("%.3f", $current)." ".$message."\n");*/
 }
 
 function testSocket($amount, $reconnect, $size)
diff --git a/server/SynchronousSocket.cpp b/server/SynchronousSocket.cpp
index 3639bf3..1dd01b2 100644
--- a/server/SynchronousSocket.cpp
+++ b/server/SynchronousSocket.cpp
@@ -1,5 +1,6 @@
 #include "SynchronousSocket.h"
 
+#include <netinet/tcp.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netdb.h>
@@ -162,8 +163,18 @@ void SynchronousSocket::SendMessage(const string & m)
 	{
 		len_s += (char)((len >> (8 * i)) & 0xFF);
 	}
+	int result = setsockopt(socket, IPPROTO_TCP, TCP_CORK, (char*)&YES, sizeof(int));
+	if (result < 0)
+	{
+		throw (string)("Error setting socket option");
+	}
 	Send(len_s);
 	Send(m);
+	result = setsockopt(socket, IPPROTO_TCP, TCP_CORK, (char*)&NO, sizeof(int));
+	if (result < 0)
+	{
+		throw (string)("Error setting socket option");
+	}
 }
 
 
diff --git a/server/SynchronousSocket.h b/server/SynchronousSocket.h
index 6fcaee4..ebe06ad 100644
--- a/server/SynchronousSocket.h
+++ b/server/SynchronousSocket.h
@@ -10,6 +10,8 @@ class SynchronousSocket
 private:
 	const int TIMEOUT = 10; // in seconds
 	const int BUFFER_SIZE = 1048576;
+	const int YES = 1;
+	const int NO = 0;
 protected:
 	// собственно сокет
 	int socket;
diff --git a/server/log.cpp b/server/log.cpp
index 9f0bec0..2ba03df 100644
--- a/server/log.cpp
+++ b/server/log.cpp
@@ -6,6 +6,7 @@ using namespace std;
 
 void LogTime(const string &message)
 {
+#ifdef LOGGING_ENABLED
 	static auto start = chrono::high_resolution_clock::now();
 	static auto prev = start;
 	auto current = chrono::high_resolution_clock::now();
@@ -13,4 +14,5 @@ void LogTime(const string &message)
 	auto nsec_prev = chrono::duration_cast<chrono::nanoseconds>(current - prev).count();
 	cerr << (nsec / 1000000.f) << " " << message << " delta " << (nsec_prev / 1000000.0f) << "\n";
 	prev = current;
+#endif
 }
diff --git a/server/tcp_perf_test_server.cpp b/server/tcp_perf_test_server.cpp
index 0620798..1912815 100644
--- a/server/tcp_perf_test_server.cpp
+++ b/server/tcp_perf_test_server.cpp
@@ -97,12 +97,6 @@ void* IPSocketThread(void* arg)
 			cerr << "Error accepting connection, errno = " << errno << "\n";
 			continue;
 		}
-		int yes = 1;
-		int result = setsockopt(recsock, IPPROTO_TCP, TCP_NODELAY, (char*)&yes, sizeof(int));
-		if (result < 0)
-		{
-			cerr << "Error setting socket option, errno = " << errno << "\n";
-		}
 		cout << "Accepted connection from " << inet_ntoa(peeraddr.sin_addr) << ":" << ntohs(peeraddr.sin_port) << "\n";
 		CreateThread(&ProcessRequests, &recsock);
 	}