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Events when a temporarily stopped RDS Instance is restarted

I have several RDS instances, all of them MariaDB 10.6.10, single instances, no multi-az deployment. These instances are temporarily stopped all days at evening and restarted on demand. Every time one of them is restarted we get this events (I'm including the oldest event, the stopping of the instance): | Time | System notes | | --- | --- | | October 27, 2022, 11:35 (UTC+02:00) | Finished updating DB parameter group | | October 27, 2022, 11:34 (UTC+02:00) | Monitoring Interval changed to 0 | | October 27, 2022, 11:34 (UTC+02:00) | Performance Insights has been enabled | | October 27, 2022, 11:33 (UTC+02:00) | DB instance started | | October 27, 2022, 11:31 (UTC+02:00) | Recovery of the DB instance is complete. | | October 27, 2022, 11:31 (UTC+02:00) | DB instance restarted | | October 27, 2022, 11:31 (UTC+02:00) | DB instance restarted | | October 27, 2022, 11:30 (UTC+02:00) | Recovery of the DB instance has started. Recovery time will vary with the amount of data to be recovered. | | October 27, 2022, 11:29 (UTC+02:00) | Recovery of the DB instance has started. Recovery time will vary with the amount of data to be recovered. | | October 26, 2022, 19:08 (UTC+02:00) | DB instance stopped | It doesn't matter if the instance has data on it or is freshly created with no data at all and immediately stopped. Every time is restarted we get the events on the table..., so here my questions: * Why "Recovery of the DB instance has started"? It sounds to me as something is wrong with the instance: data corruption, system crash... but system crash didn't happen, even with new instances recently created and stopped the "Recovery of the DB instance has started" happens, and it could not be that all instances have corrupted data... So, is this event part the normal behaviour? Is it happening to every one in every instance? I couldn't find too much info about this event https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_Events.Messages.html#USER_Events.Messages.instance and in no place is told that in a RDS restart this event will happen... * And other question, why do some events happen / are logged twice? Thank you in advance for your help, Marcos
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asked a month ago