One minor tweak to only sort the range of data we have in the buffer,…

… if its not full we only need to sort from 0 to index.

mbp-with-mbo/src/main/java/com/epam/cme/mdp3/control/MDPOffHeapBuffer.java

@@ -93,7 +93,7 @@ public boolean isEmpty() {
 
     private void sort(){
         //Arrays.sort is not the best variant here because it allocates TimSort class and array into it every time.
-        Arrays.sort(data, (o1, o2) -> {
+    	Arrays.sort(data, 0, full ? data.length : index, (o1, o2) -> {
             long sequence1 = o1.getMsgSeqNum();
             long sequence2 = o2.getMsgSeqNum();
             return Long.compare(sequence1, sequence2);