mongodb connection과 연결여부 monitoring
간단한 코드 기록용
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let mongoose = require('mongoose')
let conn1 = mongoose.createConnection('mongodb://localhost:5555/db1', {useNewUrlParser: true})
let conn2 = mongoose.createConnection('mongodb://localhost:5556/db2', {useNewUrlParser: true})
conn1.on('connected', () =>
{
console.log("connected to mongodb conn1")
});
conn2.on('connected', () =>
{
console.log("connected to mongodb conn2")
});
conn1.on('disconnected', () =>
{
console.log("disconnected with mongodb conn1")
});
conn2.on('disconnected', () =>
{
console.log("disconnected with mongodb conn2")
});