only use hpc events in cdn operator display
diff --git a/planetstack/core/plus/views.py b/planetstack/core/plus/views.py
index b3d3350..9c1bebc 100644
--- a/planetstack/core/plus/views.py
+++ b/planetstack/core/plus/views.py
@@ -245,7 +245,7 @@
     # will eventually pick them up.
 
     if rows:
-        rows = bq.postprocess_results(rows, filter={"slice": HPC_SLICE_NAME}, maxi=["cpu"], count=["hostname"], computed=["bytes_sent/elapsed"], groupBy=["Time","site"], maxDeltaTime=80)
+        rows = bq.postprocess_results(rows, filter={"event": "hpc_heartbeat"}, maxi=["cpu"], count=["hostname"], computed=["bytes_sent/elapsed"], groupBy=["Time","site"], maxDeltaTime=80)
 
         # dictionaryize the statistics rows by site name
         stats_rows = {}