diff --git a/paasta_tools/kubernetes_tools.py b/paasta_tools/kubernetes_tools.py
index 194d90a8d3..63fe4b1e45 100644
--- a/paasta_tools/kubernetes_tools.py
+++ b/paasta_tools/kubernetes_tools.py
@@ -531,8 +531,8 @@ def limit_size_with_hash(name: str, limit: int = 63, suffix: int = 4) -> str:
     """
     if len(name) > limit:
         digest = hashlib.md5(name.encode()).digest()
-        hash = base64.b32encode(digest).decode().replace("=", "").lower()
-        return f"{name[:(limit-suffix-1)]}-{hash[:suffix]}"
+        hashed = base64.b32encode(digest).decode().replace("=", "").lower()
+        return f"{name[:(limit-suffix-1)]}-{hashed[:suffix]}"
     else:
         return name
 
diff --git a/paasta_tools/tron_tools.py b/paasta_tools/tron_tools.py
index b3a94f798c..16db8e2e16 100644
--- a/paasta_tools/tron_tools.py
+++ b/paasta_tools/tron_tools.py
@@ -364,6 +364,18 @@ def build_spark_config(self) -> Dict[str, str]:
             ),
             user=spark_tools.SPARK_JOB_USER,
         )
+        # delete the dynamically generated spark.app.id to prevent frequent config updates in Tron.
+        # spark.app.id will be generated later by yelp spark-submit wrapper or Spark itself.
+        spark_conf.pop("spark.app.id", None)
+        # use a static spark.app.name to prevent frequent config updates in Tron.
+        # md5 and base64 will always generate the same encoding for a string.
+        # This spark.app.name might be overridden by yelp spark-submit wrapper.
+        if "spark.app.name" in spark_conf:
+            spark_conf["spark.app.name"] = limit_size_with_hash(
+                f"tron_spark_{self.get_service()}_{self.get_instance()}_{self.get_action_name()}"
+                if "spark.app.name" not in stringified_spark_args
+                else stringified_spark_args["spark.app.name"]
+            )
         # TODO: Remove this once dynamic pod template is generated inside the driver using spark-submit wrapper
         if "spark.kubernetes.executor.podTemplateFile" in spark_conf:
             print(
diff --git a/tests/test_tron_tools.py b/tests/test_tron_tools.py
index 7c1886658d..43ff04c01f 100644
--- a/tests/test_tron_tools.py
+++ b/tests/test_tron_tools.py
@@ -1216,12 +1216,9 @@ def test_format_tron_action_dict_spark(
 
         confs = result["command"].split(" ")
         spark_app_name = ""
-        spark_app_id = ""
         for s in confs:
             if s.startswith("spark.app.name"):
                 spark_app_name = s.split("=")[1]
-            if s.startswith("spark.app.id"):
-                spark_app_id = s.split("=")[1]
 
         expected = {
             "command": "timeout 12h spark-submit "
@@ -1230,7 +1227,6 @@ def test_format_tron_action_dict_spark(
             "--conf spark.executor.memory=1g "
             "--conf spark.executor.cores=2 "
             f"--conf spark.app.name={spark_app_name} "
-            f"--conf spark.app.id={spark_app_id} "
             "--conf spark.ui.port=39091 "
             "--conf spark.executor.instances=0 "
             "--conf spark.kubernetes.executor.limit.cores=2 "