Atlassian hit Aurora buffers in mammoth migration

"The advice from AWS was: drastically reduce your file counts on your RDS instances if you want to perform safe RDS->Aurora conversions"

The Stack

Jul 07, 2025 - 3 min read

Atlassian said it moved 38,000 databases per day to AWS Aurora PostgreSQL at the peak of a major migration to the managed service.

The shift was for its Jira database platform – home to over 27.4 billion database files – and saw it move from Amazon RDS to Aurora instead.

The enterprise collaboration software company cited a need for more flexibility and better SLAs. (Atlassian had blamed RDS for a May outage.)

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