reverted modifications for benchmarking.

common/config.go

@@ -14,7 +14,7 @@ var LogTimeout time.Duration
 const EnableDebug bool = false //true
 
 // use virtual storage or not
-const EnableOnMemStorage = false //true
+const EnableOnMemStorage = true
 
 // when this is true, virtual storage use is suppressed
 // for test case which can't work with virtual storage

samehada/samehada.go

@@ -140,19 +140,19 @@ func NewSamehadaDB(dbName string, memKBytes int) *SamehadaDB {
 	shi.bpm.FlushAllPages()
 	shi.transaction_manager.Commit(c, txn)
 
-	//shi.GetLogManager().ActivateLogging()
+	shi.GetLogManager().ActivateLogging()
 
 	exec_engine := &executors.ExecutionEngine{}
 	//pnner := planner.NewSimplePlanner(c, shi.GetBufferPoolManager())
 
 	//chkpntMgr := concurrency.NewCheckpointManager(shi.GetTransactionManager(), shi.GetLogManager(), shi.GetBufferPoolManager())
 	//chkpntMgr.StartCheckpointTh()
-	//shi.GetCheckpointManager().StartCheckpointTh()
+	shi.GetCheckpointManager().StartCheckpointTh()
 
 	// statics data is updated periodically by this thread with full scan of all tables
 	// this may be not good implementation of statistics, but it is enough for now...
 	statUpdater := concurrency.NewStatisticsUpdater(shi.GetTransactionManager(), c)
-	//statUpdater.StartStaticsUpdaterTh()
+	statUpdater.StartStaticsUpdaterTh()
 
 	return &SamehadaDB{shi, c, exec_engine, statUpdater}
 }