diff --git a/src/ansys/hps/data_transfer/client/api/handler.py b/src/ansys/hps/data_transfer/client/api/handler.py
index 516380ea..8ed68526 100644
--- a/src/ansys/hps/data_transfer/client/api/handler.py
+++ b/src/ansys/hps/data_transfer/client/api/handler.py
@@ -47,8 +47,9 @@ def __init__(self):
         """Initializes the WaitHandler class object."""
         self.start = time.time()
         self.report_threshold = 2.0  # seconds
-        self.min_progress_interval = 3.0  # seconds
-        self.last_progress = self.start
+        self.min_progress_interval = 15.0  # seconds
+        self.last_progress = {}
+        self.completed_ids = []
 
     def __call__(self, ops: list[Operation]):
         """Handle operations after they are fetched."""
@@ -60,9 +61,15 @@ def _log_ops(self, ops: list[Operation]) -> str:
         for op in ops:
             if op.children_detail is not None and self.Meta.expand_group:
                 for ch in op.children_detail or []:
+                    # For ops with lots of children, avoid logging completed children on every loop iteration
+                    # If there are 29 small files and 1 large file in the group, we dont want to log 29 files
+                    # are done 1000 times while the large file copies.
+                    if ch.id not in self.completed_ids:
+                        self._log_op(logging.DEBUG, ch)
                     if ch.state not in self.final:
                         num_running += 1
-                    self._log_op(logging.DEBUG, ch)
+                    elif ch.id not in self.completed_ids:
+                        self.completed_ids.append(ch.id)
 
             if op.state not in self.final:
                 num_running += 1
@@ -73,7 +80,7 @@ def _log_op(self, lvl: int, op: Operation):
         op_type = "operation" if op.children is None or len(op.children) == 0 else "operation group"
         op_done = op.state in self.final
 
-        msg = f"Data transfer {op_type} '{op.description}'({op.id}) done? {op_done}"
+        msg = f"Data transfer {op_type} '{op.description}'({op.id}) {'finished. ' if op_done else 'is in progress. '}"
 
         try:
             start = op.started_at
@@ -88,17 +95,22 @@ def _log_op(self, lvl: int, op: Operation):
             duration = 0
             duration_str = "unknown"
 
+        # Initialize last progress time if not set, set it back in time
+        # so it logs right away (report threshold) the first time.
+        if self.last_progress.get(op.id, None) is None:
+            self.last_progress[op.id] = time.time() - self.min_progress_interval
+
         state = op.state.value
         if op_done:
-            msg += f" has {state} after {duration_str}"
+            msg += f"{state.title()} after {duration_str}"
             msg += self._info_str(op)
             # if op.messages:
             # msg += f', messages="{"; ".join(op.messages)}"'
             log.log(lvl, msg)
-        elif duration > self.report_threshold and time.time() - self.last_progress > self.min_progress_interval:
-            self.last_progress = time.time()
-            msg += f" is {state}, {duration_str} so far"
-            if op.progress_current > 0:
+        elif duration > self.report_threshold and time.time() - self.last_progress[op.id] > self.min_progress_interval:
+            self.last_progress[op.id] = time.time()
+            msg += f"{state.title()} for {duration_str}"
+            if op.progress and op.progress > 0.0:
                 msg += f", progress {op.progress * 100.0:.1f}%"
             msg += self._info_str(op)
             log.log(lvl, msg)