On the stand there is an interactive table-top display that used to look impossibly modern in movies twenty years ago. With the swipe of a finger, a video plays. It is of a driver arriving at a supermarket where there is a waiting robot with bags of groceries it already knew you wanted.
Race. If multiple goroutines read from the same channel, which one gets each message? The answer is nondeterministic: the runtime’s scheduler picks one. This is concurrent access to a shared resource, with the nondeterminism mediated by the scheduler instead of explicit locking. The paper documents these in etcd and CockroachDB.
，这一点在爱思助手下载最新版本中也有详细论述
“You go for the door, I’ll cough if someone comes. You have time, no worries.”，更多细节参见爱思助手
The first calculation takes ~30 seconds while models download. Subsequent runs are fast.
- UPSTREAM_DNS=223.5.5.5