diff --git a/DataCollection.py b/DataCollection.py
index cf37730..abf7240 100644
--- a/DataCollection.py
+++ b/DataCollection.py
@@ -195,6 +195,7 @@ def getUsedTruth(self):
     
     def setBatchSize(self,bsize):
         if bsize > self.nsamples:
+            print("Batch size = ", bsize, "Sample = ", self.nsamples)
             raise Exception('Batch size must not be bigger than total sample size')
         self.__batchsize=bsize
 
@@ -576,8 +577,8 @@ def __collectWriteInfo(successful,samplename,sampleentries,outputDir):
         
         nchilds = int(cpu_count()/2)-2 if self.nprocs <= 0 else self.nprocs
         #import os
-        #if 'nvidiagtx1080' in os.getenv('HOSTNAME'):
-        #    nchilds=cpu_count()-5
+        if 'max' in os.getenv('HOSTNAME'):
+            nchilds=int(cpu_count()/3)-2
         if nchilds<1: 
             nchilds=1
         
diff --git a/TrainData.py b/TrainData.py
index 1a8da1a..14277d7 100644
--- a/TrainData.py
+++ b/TrainData.py
@@ -64,9 +64,9 @@ def _read_arrs_(arrwl,arrxl,arryl,arrzl,doneVal,fileprefix,tdref=None,randomSeed
         doneVal.value=True
         h5f.close()
         del h5f
-    #except Exception as d:
-    #    raise d
-    #finally:
+    except Exception as d:
+        raise d
+    finally:
         if tdref:
             tdref.removeRamDiskFile()  
     
@@ -479,7 +479,7 @@ def readIn_abort(self):
      
     def readIn_join(self,wasasync=True,waitforStart=True):
         
-	if True:
+	try:
             if not not hasattr(self, 'readthreadids') and not waitforStart and not self.readthread and wasasync:
                 print('\nreadIn_join:read never started\n')
             
diff --git a/training/tokenTools.py b/training/tokenTools.py
index ceff503..fd12379 100644
--- a/training/tokenTools.py
+++ b/training/tokenTools.py
@@ -1,5 +1,5 @@
 
-renewtokens=True
+renewtokens=False
 
 def renew_token_process():
     
diff --git a/training/training_base.py b/training/training_base.py
index 48d8212..0daf56c 100644
--- a/training/training_base.py
+++ b/training/training_base.py
@@ -47,7 +47,7 @@ def __init__(
 				self, splittrainandtest=0.85,
 				useweights=False, testrun=False,
 				resumeSilently=False, 
-				renewtokens=True,
+				renewtokens=False,
 				collection_class=DataCollection,
 				parser=None
 				):
@@ -108,7 +108,8 @@ def __init__(
         self.trainedepoches=0
         self.compiled=False
         self.checkpointcounter=0
-        self.renewtokens=renewtokens
+        #self.renewtokens=renewtokens
+        self.renewtokens=False
         
         
         self.inputData = os.path.abspath(args.inputDataCollection) \