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ops@dispatch:~$ pg_isready -h 127.0.0.1
127.0.0.1:5432 - accepting connections
ops@dispatch:~$ psql -c "select count(*) from receipts where committed_at > now() - interval '10 minutes';"
 count
-------
     0
(1 row)

ops@dispatch:~$ tail -n 1 /var/log/database-application.log
WARN  dispatch requests timing out, last receipt 11m 40s ago
ops@dispatch:~$