modifying debug output

xtreemfs_client/OSDManager.py

@@ -17,6 +17,9 @@ currently only depth (level) 2 subdirectories can be managed
 only unix-based OSs are supported
 '''
 
+max_processes_change_policy = 200
+max_processes_add_replica = 200
+max_processes_delete_replica = 50
 
 # TODO add support for arbitrary subdirectory level
 # (currently depth=2 is hardcoded, which is fine for GeoMultiSens purposes)
@@ -203,17 +206,24 @@ class OSDManager(object):
                         delete_replica_command_list.append(div_util.command_list_to_single_string(delete_command))
 
         # run commands
-        processes = div_util.run_commands(change_policy_command_list)
+        start_time = time.time()
+        processes = div_util.run_commands(change_policy_command_list, max_processes_change_policy)
+        end_time = time.time()
         if self.debug:
-            print("executing " + str(len(processes)) + " change policy commands done.")
+            print("executing " + str(len(processes)) + " change policy commands done in " +
+                  str(round(end_time - start_time)) + " sec.")
             # div_util.print_process_list(processes)
 
-        processes = div_util.run_commands(create_replica_command_list)
+        start_time = time.time()
+        processes = div_util.run_commands(create_replica_command_list, max_processes_add_replica)
+        end_time = time.time()
         if self.debug:
-            print("executing " + str(len(processes)) + " create replica commands done.")
+            print("executing " + str(len(processes)) + " create replica commands done in " +
+                  str(round(end_time - start_time)) + " sec.")
             # div_util.print_process_list(processes)
 
-        processes = div_util.run_commands(delete_replica_command_list)
+        start_time = time.time()
+        processes = div_util.run_commands(delete_replica_command_list, max_processes_delete_replica)
 
         # run and repeat delete commands, until they return no error
         # (if an error is returned for another reason than that one would delete the last complete replica,
@@ -253,9 +263,13 @@ class OSDManager(object):
             if self.debug:
                 print("rerunning " + str(len(errored_deletions)) + " commands because replica could not be deleted...")
 
-            processes = div_util.run_commands(errored_deletions)
+            processes = div_util.run_commands(errored_deletions, max_processes_change_policy)
             iterations += 1
 
+        if self.debug:
+            end_time = time.time()
+            print("deleting replicas done in in " + str(round(end_time - start_time)) + " sec.")
+
     '''
     create empty folders and assign OSDs.
     '''