diff --git a/src/crimson/osd/shard_services.cc b/src/crimson/osd/shard_services.cc
index e41b77ac27a..f727c66ca24 100644
--- a/src/crimson/osd/shard_services.cc
+++ b/src/crimson/osd/shard_services.cc
@@ -239,8 +239,11 @@ seastar::future<> ShardServices::osdmap_subscribe(version_t epoch, bool force_re
 
 HeartbeatStampsRef ShardServices::get_hb_stamps(int peer)
 {
-#warning writeme
-  return HeartbeatStampsRef();
+  auto [stamps, added] = heartbeat_stamps.try_emplace(peer);
+  if (added) {
+    stamps->second = ceph::make_ref<HeartbeatStamps>(peer);
+  }
+  return stamps->second;
 }
 
 };
diff --git a/src/crimson/osd/shard_services.h b/src/crimson/osd/shard_services.h
index d9a2112b6b2..407fa8a3643 100644
--- a/src/crimson/osd/shard_services.h
+++ b/src/crimson/osd/shard_services.h
@@ -157,6 +157,7 @@ public:
     return ceph::mono_clock::now() - startup_time;
   }
   HeartbeatStampsRef get_hb_stamps(int peer);
+  std::map<int, HeartbeatStampsRef> heartbeat_stamps;
 };