What is the average uptime of your stake pool

in epoch 52:
version: 0.8.9
uptime: >90000 sec, was restarted due to high CPU usage
established connections: ~300
extra config params: max_connection: 512
extra OS params: Optimize linux performance

Squid Pool has been staying up and in sync much better since the release of v0.8.6.
Current status:
uptime: 370041
version: jormungandr 0.8.6-76863977
nodeCount: 1050

any spec configuration?