Degraded Performance for Pages Serving
Incident Report for Yext
Postmortem

Summary

On October 24th, 2019, from 12:46 p.m. Eastern until 1:00 p.m. Eastern, Yext monitoring systems detected a performance degradation for sites hosted by Yext Pages.

Root Cause

Incoming traffic to Yext Pages during the period increased to four hundred times the normal levels, causing performance degradation for normal traffic. The traffic appears to be an attempted denial-of-service attack.

Remediation

We plan to improve caching in our serving infrastructure to allow us to handle this class of attacks in the future without degradations to normal consumer traffic.

Posted Nov 01, 2019 - 16:01 EDT

Resolved
Yext monitoring systems detected degraded performance for sites hosted by Yext Pages between 12:45 p.m. and 1:00 p.m. US Eastern Time today, in line with an abnormal and extreme spike in the rate of incoming requests during this time. Service has since returned to normal.
Posted Oct 24, 2019 - 13:00 EDT