The issue is now resolved

We found the issue, the webhook queue had 55k row and our consumer tried to send all the event at once. this made the consume exaust the connection number of the DB we cleaned up the Queue is the event list where older than a month for most

We released an update in webhook that made our Primary Database unresponsive.
Upload and console are disrupted.
Download update is still up and working
Set channel in old plugin < 7.20 are affected