Postgres Aurora DB major version upgrade with minimal downtime
Lyft Engineering
MARCH 11, 2024
This DB was responsible for storing transactions within Lyft and contains ~400 tables (with partitions) and ~30TB of data. Such significant downtime is untenable — it would cause cascading failures across multiple downstream services, requiring a large amount of engineering effort to remediate. Capture the LSN in the cloned DB.
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