そうそう測定
$ heroku pg:info -a zundan-mastodon
=== HEROKU_POSTGRESQL_CYAN_URL, DATABASE_URL
Plan: Standard 0
Status: Available
Data Size: 4.63 GB
Tables: 62
PG Version: 10.9
Connections: 11/120
Connection Pooling: Available
Credentials: 1
Fork/Follow: Available
Rollback: earliest from 2019-07-28 23:44 UTC
Created: 2019-07-28 23:28 UTC
Region: us
Data Encryption: In Use
Continuous Protection: On
Maintenance: not required
Maintenance window: Thursdays 19:30 to 23:30 UTC
Add-on: postgresql-clean-89871