Our DXC collector crashed and as a result, data injection for a "Certain site" couldn’t be sent over and caused a very slow response times.
Bizrecording is enabled on the Agent
Release : 10.7.0
Component : APM Agents
Disable bizRecording property on the Agent Profile.
We have turned off bizrecording across all SA servers and re-enabled BA metrics and site is reporting data fine and everything is fast now.