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Cloudflare has confirmed a bad software update caused it to lose log data for its customers recently.
A routine update to support a new data set ended up misconfiguring the service, causing the issue.
Although engineers identified and fixed the bug within five minutes, the issue triggered a deeper bug.
The buffering system, Buftee, had to manage 40 times its usual capacity, rendering the system unresponsive.
We accept that mistakes and misconfigurations are inevitable.
All our systems at Cloudflare need to respond to these predictably and gracefully," the company wrote.
