ops: Kill nginx cache heater script on shutdown

production/mempool-kill-all

@@ -20,5 +20,10 @@ for pid in `ps uaxww|grep warmer|grep zsh|awk '{print $2}'`;do
     kill $pid
 done
 
+# kill nginx cache heater scripts
+for pid in `ps uaxww|grep heater|grep zsh|awk '{print $2}'`;do
+    kill $pid
+done
+
 # always exit successfully despite above errors
 exit 0