问题
According to firebasedatabase metrics
firebasedatabase
Metrics from Firebase. Launch stages of these metrics: BETA GA
The following metric type names must be prefixed with firebasedatabase.googleapis.com/. That prefix has been omitted from the entries in the table.
Follow its guidance I tried reached it from gshell and I got
来源：https://stackoverflow.com/questions/61551885/firebasehosting-googleapis-com-network-active-connections-no-such-file-or-direc