MCOL-140 Add a mechanism to serialize transactions for a single table to prevent VSS clashes. Transactions for different tables will continue concurrently.

dbcon/dmlpackageproc/deletepackageprocessor.cpp

@@ -150,7 +150,7 @@ namespace dmlpackageprocessor
 			{
 				int waitPeriod = 10;
 				int sleepTime = 100; // sleep 100 milliseconds between checks
-				int numTries = 10;  // try 10 times per second
+				int numTries = 30;  // try 30 times (3 seconds)
 				waitPeriod = Config::getWaitPeriod();
 				numTries = 	waitPeriod * 10;
 				struct timespec rm_ts;