https://blog.revolut.com/no-excuses-we-let-you-down-32f81e64f974
The career section of the company's web page lists PG as one of the tech
stack.
Would be interesting to know the details.
"At around 07:00 BST on Friday morning, our transaction database began to
malfunction. Naturally, we followed procedure and switched to a backup
server. Unfortunately, the backup server began to drastically slow down and
was struggling to process live transactions.
To make matters worse, we had an unexpected spike of 50% in user activity on
Friday and the backup server could not handle such a large increase in
volume."
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