memnodejscomprs

  if (Buffer.isBuffer(value)){
-      flag = FLAG_BINARY;
+        if (compress) {
+            flag = FLAG_COMPRESSED;
+            value = new Buffer(zlib.deflate(value), 'binary');
+        } else {
+            flag = FLAG_BINARY;
+        }
+      length = value.length;
       value = value.toString('binary');
     } else if (valuetype !== 'string' && valuetype !== 'number'){
       flag = FLAG_JSON;
       value = JSON.stringify(value);
+      length = Buffer.byteLength(value);
     } else {
       value = value.toString();
+      length = Buffer.byteLength(value);
     }
 
     length = Buffer.byteLength(value);
     if (length > memcached.maxValue) return private.errorResponse('The length of the value is greater than ' + memcached.maxValue, callback);
 
-    memcached.command(function settersCommand(noreply){ return {
+    var lineBreakValue = new Buffer((new Buffer(value, 'binary')).length + 2);
+    lineBreakValue.write(LINEBREAK, 0, 'binary');
+    lineBreakValue.write(value, 2, 'binary');
+
+    memcached.command(function settersCommand(noreply){ 
+
+        var commandBuffer = new Buffer([type, key, flag, lifetime, length].join(' ') + (cas ? ' ' + cas : '') + (noreply ? NOREPLY : ''), 'binary');
+        var commandWithValue = new Buffer(commandBuffer.length + lineBreakValue.length);
+        commandBuffer.copy(commandWithValue, 0, 0);
+        lineBreakValue.copy(commandWithValue, commandBuffer.length, 0);
+        
+        return {