We have received a peak of 40k mails in our JIRA and the database were overloaded. We have restarted JIRA but the CPU utilization of the database hasn't go any lower.
Anyone has have this issue? Do you know how can we troubleshoot it?
META-INF support would be more than happy to investigate this issue for you, but for this, we need more information than what is currently shared.
I hope this is not an issue; if you'd like us to look into the problem, please open a support request here.