Restart these job workers?

Situation

The platform team deployed a config change for the payment webhook workers. o3 generated a script to restart the workers on all hosts.

Environment

There are 6 worker hosts behind a load balancer. Each worker takes 12-18 seconds to boot and connect to Redis. The job queue has 50,000 pending payment webhooks. The load balancer health check interval is 5 seconds.

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pending review

#!/bin/bash
set -euo pipefail
for worker in $(cat workers.txt); do
  ssh -o ConnectTimeout=5 -o BatchMode=yes "$worker" "sudo systemctl restart payment-worker" &
done
wait
echo "All workers restarted"