diff --git a/global_config.ini b/global_config.ini
index bdc634d..9dedf31 100644
--- a/global_config.ini
+++ b/global_config.ini
@@ -76,6 +76,7 @@
 notify_email_from: chromeos-autotest@google.com
 notify_email_statuses: Completed,Failed,Aborted
 max_processes_per_drone: 1000
+max_processes_warning_threshold: 0.8
 max_hostless_processes: 500
 max_jobs_started_per_cycle: 100
 max_parse_processes: 100