db.t2.smallをdb.t3.small に変更。6分位
April 23, 2024, 12:01 (UTC+09:00) Applying modification to database instance class April 23, 2024, 12:03 (UTC+09:00) DB instance shutdown April 23, 2024, 12:06 (UTC+09:00) DB instance restarted April 23, 2024, 12:06 (UTC+09:00) DB instance restarted April 23, 2024, 12:06 (UTC+09:00) Finished applying modification to DB instance class April 23, 2024, 12:06 (UTC+09:00) DB instance shutdown April 23, 2024, 12:07 (UTC+09:00) DB instance restarted
