A fix has been implemented and we are monitoring the results.
Posted 8 days ago. Feb 11, 2019 - 10:04 UTC
On February 11th, 2019 at approximately 09:00 UTC, we detected an issue with the Web Application Security logging infrastructure. Some customers may experience WAF log performance degradation as a result. Traffic and other WAF services are not affected.
Customers with questions are encouraged to reach out to the Product Support Team.