Repointing a replica by file and position requires knowing exactly where the old source stopped, and a GTID is a transaction identity that every server agrees on. The…
copytruncate copies the file and then truncates the original, and anything written between those two operations is gone. The window is small and the loss is real, and…
Independent deployment is the property that makes a service a service, and a shared schema removes it regardless of how the code is organised. The usual path to…
Exactly-once delivery is not available from any broker worth using, so the handler has to tolerate seeing the same message twice. The claim and the work must be…
A calendar reminder is a person, and a person on holiday is an outage; days-to-expiry as a metric is an alert like any other. earliest_cert_expiry across the chain…
InnoDB detects a deadlock, kills one transaction and returns an error, and an application that treats that as a bug will treat a normal event as an outage.…