That's how outages on very popular systems work - there's no downtime when most engineers are sleeping, since they're not under load.
A lot of deployments are also being done by engineers, performing the deploys while awake. Thus increasing the risk of outages while I'm awake. :(
A lot of deployments are also being done by engineers, performing the deploys while awake. Thus increasing the risk of outages while I'm awake. :(