fix(post-process): remove some noisy logs (#70075)

these log literally tens of millions of times per hour and are not
critical. lets save some money. added a metric to replace one of them.
link to logs: https://cloudlogging.app.goo.gl/MGVM1k6F874pbjtn7

Author: JoshFerge

src/sentry/tasks/post_process.py

@@ -263,13 +263,6 @@ def handle_owner_assignment(job):
                         )
 
                     if assignees_exists:
-                        logger.info(
-                            "handle_owner_assignment.assignee_exists",
-                            extra={
-                                **basic_logging_details,
-                                "reason": "assignee_exists",
-                            },
-                        )
                         metrics.incr(
                             "sentry.task.post_process.handle_owner_assignment.assignee_exists"
                         )
@@ -282,13 +275,6 @@ def handle_owner_assignment(job):
                     debounce_issue_owners = cache.get(issue_owners_key)
 
                     if debounce_issue_owners:
-                        logger.info(
-                            "handle_owner_assignment.issue_owners_exist",
-                            extra={
-                                **basic_logging_details,
-                                "reason": "issue_owners_exist",
-                            },
-                        )
                         metrics.incr("sentry.tasks.post_process.handle_owner_assignment.debounce")
                         return
 
@@ -1454,15 +1440,7 @@ def detect_new_escalation(job: PostProcessJob):
         or not has_valid_status
         or times_seen < MIN_EVENTS_FOR_NEW_ESCALATION
     ):
-        logger.warning(
-            "tasks.post_process.detect_new_escalation.skipping_detection",
-            extra={
-                **extra,
-                "group_age_hours": group_age_hours,
-                "group_status": group.substatus,
-                "times_seen": times_seen,
-            },
-        )
+        metrics.incr("tasks.post_process.detect_new_escalation.skipping_detection")
         return
     # Get escalation lock for this group. If we're unable to acquire this lock, another process is handling
     # this group at the same time. In that case, just exit early, no need to retry.

tests/sentry/tasks/test_post_process.py

@@ -1311,8 +1311,8 @@ def test_auto_assignment_when_owners_are_invalid(self):
         assert assignee is None
         assert len(GroupOwner.objects.filter(group_id=event.group)) == 0
 
-    @patch("sentry.tasks.post_process.logger")
-    def test_debounces_handle_owner_assignments(self, logger):
+    @patch("sentry.utils.metrics.incr")
+    def test_debounces_handle_owner_assignments(self, mock_incr):
         self.make_ownership()
         event = self.create_event(
             data={
@@ -1329,16 +1329,7 @@ def test_debounces_handle_owner_assignments(self, logger):
             is_new_group_environment=False,
             event=event,
         )
-        logger.info.assert_any_call(
-            "handle_owner_assignment.issue_owners_exist",
-            extra={
-                "event": event.event_id,
-                "group": event.group_id,
-                "project": event.project_id,
-                "organization": event.project.organization_id,
-                "reason": "issue_owners_exist",
-            },
-        )
+        mock_incr.assert_any_call("sentry.tasks.post_process.handle_owner_assignment.debounce")
 
     @patch("sentry.tasks.post_process.logger")
     def test_issue_owners_should_ratelimit(self, mock_logger):