Mongo Db Atlas data READ/WRITE becomes slower after 3 or 4 hours

[AndrewsSharvinFindmena]

await mongoose.connect(process.env.MONGO_URL, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
  serverSelectionTimeoutMS: 15000, 
  socketTimeoutMS: 45000, 
});

This is how the code looks,

I am currently using a paid cluster in Atlas. I have monitored the RAM and CPU usage while this happens. The RAM and CPU are perfectly normal, but the data READ/WRITE process becomes slower, and the following event is triggered multiple times before this

mongoose.connection.on('disconnected', async () => {
console.log('MongoDB disconnected, attempting to reconnect...');
});

I am using node js with express

{
"mongoose": "^7.8.6",
"express": "^4.19.2",
}

the node version on the local system is v22.3.0

[AndrewsSharvinFindmena]

The connection Number is way too high, but whenever I restart the server it gets normal to 64 connections as you can see

[vkarpov15]

Without a repro script, there's no way we can reasonably repro this or make any informed recommendations.