HARMONY-2154: Change service failure metric period from 60 minutes to 30 minutes

Author: indiejames

services/cron-service/env-defaults

@@ -21,9 +21,9 @@ USER_WORK_UPDATER_CRON="*/3 * * * *" # every 3 minutes
 USER_WORK_EXPIRATION_MINUTES=3
 
 # The cron schedule for publishing service failure metrics to CloudWatch
-PUBLISH_SERVICE_FAILURE_METRICS_CRON="0 * * * *" # every hour on the hour
+PUBLISH_SERVICE_FAILURE_METRICS_CRON="0,30 * * * *" # every half hour
 
 # How far to go back from the current time when computing service failure percentages.
 # This should correspond to how often the computation runs based on
 # PUBLISH_SERVICE_FAILURE_METRICS_CRON
-FAILURE_METRICS_LOOK_BACK_MINUTES=60
+FAILURE_METRICS_LOOK_BACK_MINUTES=30