Define Max connection pool size in MongoDB + Java

Question

For my Application, I am trying to set min and maximum pool size for the connection. So, Can anyone help me how to do it with mongo Client.

Also not I saw the options through the MOngoClientURI but is there any other option with MongoClientOption or MongoClient.

My Current Code:

public void buildMongoClient() {
        mongoClient = new MongoClient(dbHostName, dbPort);
        mongoDatabase = mongoClient.getDatabase(DATABASE);
}

s7vr · Accepted Answer · 2017-02-03 07:46:11Z

4

You can try something like this.

public void buildMongoClient() {
    MongoClientOptions.Builder clientOptions = new MongoClientOptions.Builder();
    clientOptions.minConnectionsPerHost();//min
    clientOptions.connectionsPerHost();//max
    mongoClient = new MongoClient(new ServerAddress(dbHostName, dbPort), clientOptions.build);
    mongoDatabase = mongoClient.getDatabase(DATABASE);
 }

answered Feb 3, 2017 at 7:46

s7vr

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7 Comments

Souvik Over a year ago

But here I am not getting option to define my own parameters. How to mention the connection pool I want like 500.

s7vr Over a year ago

I'm not following you. clientOptions.connectionsPerHost(500) something like this.

Souvik Over a year ago

Actually, I want to define the timeout and min max connection pool at time of application startup for mongo db.

s7vr Over a year ago

but your post specifically asks about setting it through MongoClientOptions .Did I miss something ? I'm not sure what kind of application you have.

Souvik Over a year ago

Nope. This answer solve my problem. Thanks for the help. Just one more thing. On my system start up I have created only one mongoDatabase and on every concurrent request I am using the same Mongo Dataabse object. So, is connection pool maintained within that object and on concurrent request serviing connection from that pool?

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