Mongos open connections for one application

[Martinus Martinus]

Hi,

I used netstat to see my mongos open connections. I saw there are at least 5 connections coming from my app, even though my app is only connect one time to mongos. Would someone be so kindly to explain what happened?

Thanks.

[Martinus Martinus]

Hi,

And I used mongodb version 2.2.0 for all my servers.

Thanks.

[Asya Kamsky]

Is there a reason you picked such an old version for your MongoDB server?   What driver are you using in your application?

Normally the driver will take care of connection pooling, or opening new connections as needed by application.  

[Martinus Martinus]

Hi Asya,

It's just I think it supposed to be more stable than 2.4. I used java driver version 2.10.1. I closed my connection to mongod by calling the close() method on Mongo class. At the beginning, I saw in the netstat command output, there are 5 connections and right now is 12. I don't really know why it keeps bigger. Any idea what can caused this?

Thanks.

Martinus

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