temporarily track snuba user count queries

src/sentry/integrations/slack/message_builder/issues.py

@@ -60,6 +60,7 @@
 from sentry.types.actor import Actor
 from sentry.types.group import SUBSTATUS_TO_STR
 from sentry.users.services.user.model import RpcUser
+from sentry.utils import metrics
 
 STATUSES = {"resolved": "resolved", "ignored": "ignored", "unresolved": "re-opened"}
 SUPPORTED_COMMIT_PROVIDERS = (
@@ -80,9 +81,7 @@
 # pull things out into their own functions
 SUPPORTED_CONTEXT_DATA = {
     "Events": lambda group: get_group_global_count(group),
-    "Users Affected": lambda group: group.count_users_seen(
-        referrer=Referrer.TAGSTORE_GET_GROUPS_USER_COUNTS_SLACK_ISSUE_NOTIFICATION.value
-    ),
+    "Users Affected": lambda group: get_group_users_count(group),
     "State": lambda group: SUBSTATUS_TO_STR.get(group.substatus, "").replace("_", " ").title(),
     "First Seen": lambda group: time_since(group.first_seen),
     "Approx. Start Time": lambda group: datetime.fromtimestamp(
@@ -101,6 +100,13 @@
 logger = logging.getLogger(__name__)
 
 
+def get_group_users_count(group: Group) -> int:
+    metrics.incr("slack.get_group_users_count", tags={"group": group.id}, sample_rate=1.0)
+    return group.count_users_seen(
+        referrer=Referrer.TAGSTORE_GET_GROUPS_USER_COUNTS_SLACK_ISSUE_NOTIFICATION.value
+    )
+
+
 def build_assigned_text(identity: RpcIdentity, assignee: str) -> str | None:
     actor = Actor.from_identifier(assignee)