Mongodb - Connection Pool size not reflecting












0















Mongodb has default connection poll size eq 5 .



I have a problem with connection pool size always equal 1 if I connect to mongodb by mongodb client and equal 2 if I connect to mongodb by mongoose



regarding to mongoose if I set poolSize=1 the connection poolSize will be one, if I tried to make it higher than two the poolSize will be two only



I also set maxPoolSize for mongoose and mongodb client, not reflecting !!



I am checking connection pool size from mongodb server by command
"db.serverStatus().connections"



However If I logged form client (connections.length) it's always equal 1 , for mongoose and mongodb client as well



I want to know if there is configuration for mongodb server or the operating system " Debian 9 " to update max pool size



I have tried many ways to set poolSize ( By add it as query param or options object )



Mongodb performance is too bad ->



I was testing express http server by jmeter by sending request from one thread infinite loop the throughput was 12000 +
the response was static hello world text



after adding mongoose and send response ( find all records in table has only 5 records ) the throughput is 600+ only



So I would like to know how to maximize connection pool and hacks to enhance mongoose performance



Ps: I have changed ulimit open files to be 64000



Mongoose connection code :



mongoose.connect(dbUrl , {  useNewUrlParser: true  , 
autoReconnect:true ,
poolSize: 100,
reconnectInterval: 1000,
reconnectTries: 30
});
var db = mongoose.connection;
db.once('open', function() {
console.log(mongoose.connections.length);
});


Mongodb Client code :



var MongoClient = require('mongodb').MongoClient;
MongoClient.connect(dbUrl, {
useNewUrlParser: true ,
poolSize: 1000
}, function(err, client) {

!err ? console.log('') :console.log(client);
});









share|improve this question



























    0















    Mongodb has default connection poll size eq 5 .



    I have a problem with connection pool size always equal 1 if I connect to mongodb by mongodb client and equal 2 if I connect to mongodb by mongoose



    regarding to mongoose if I set poolSize=1 the connection poolSize will be one, if I tried to make it higher than two the poolSize will be two only



    I also set maxPoolSize for mongoose and mongodb client, not reflecting !!



    I am checking connection pool size from mongodb server by command
    "db.serverStatus().connections"



    However If I logged form client (connections.length) it's always equal 1 , for mongoose and mongodb client as well



    I want to know if there is configuration for mongodb server or the operating system " Debian 9 " to update max pool size



    I have tried many ways to set poolSize ( By add it as query param or options object )



    Mongodb performance is too bad ->



    I was testing express http server by jmeter by sending request from one thread infinite loop the throughput was 12000 +
    the response was static hello world text



    after adding mongoose and send response ( find all records in table has only 5 records ) the throughput is 600+ only



    So I would like to know how to maximize connection pool and hacks to enhance mongoose performance



    Ps: I have changed ulimit open files to be 64000



    Mongoose connection code :



    mongoose.connect(dbUrl , {  useNewUrlParser: true  , 
    autoReconnect:true ,
    poolSize: 100,
    reconnectInterval: 1000,
    reconnectTries: 30
    });
    var db = mongoose.connection;
    db.once('open', function() {
    console.log(mongoose.connections.length);
    });


    Mongodb Client code :



    var MongoClient = require('mongodb').MongoClient;
    MongoClient.connect(dbUrl, {
    useNewUrlParser: true ,
    poolSize: 1000
    }, function(err, client) {

    !err ? console.log('') :console.log(client);
    });









    share|improve this question

























      0












      0








      0








      Mongodb has default connection poll size eq 5 .



      I have a problem with connection pool size always equal 1 if I connect to mongodb by mongodb client and equal 2 if I connect to mongodb by mongoose



      regarding to mongoose if I set poolSize=1 the connection poolSize will be one, if I tried to make it higher than two the poolSize will be two only



      I also set maxPoolSize for mongoose and mongodb client, not reflecting !!



      I am checking connection pool size from mongodb server by command
      "db.serverStatus().connections"



      However If I logged form client (connections.length) it's always equal 1 , for mongoose and mongodb client as well



      I want to know if there is configuration for mongodb server or the operating system " Debian 9 " to update max pool size



      I have tried many ways to set poolSize ( By add it as query param or options object )



      Mongodb performance is too bad ->



      I was testing express http server by jmeter by sending request from one thread infinite loop the throughput was 12000 +
      the response was static hello world text



      after adding mongoose and send response ( find all records in table has only 5 records ) the throughput is 600+ only



      So I would like to know how to maximize connection pool and hacks to enhance mongoose performance



      Ps: I have changed ulimit open files to be 64000



      Mongoose connection code :



      mongoose.connect(dbUrl , {  useNewUrlParser: true  , 
      autoReconnect:true ,
      poolSize: 100,
      reconnectInterval: 1000,
      reconnectTries: 30
      });
      var db = mongoose.connection;
      db.once('open', function() {
      console.log(mongoose.connections.length);
      });


      Mongodb Client code :



      var MongoClient = require('mongodb').MongoClient;
      MongoClient.connect(dbUrl, {
      useNewUrlParser: true ,
      poolSize: 1000
      }, function(err, client) {

      !err ? console.log('') :console.log(client);
      });









      share|improve this question














      Mongodb has default connection poll size eq 5 .



      I have a problem with connection pool size always equal 1 if I connect to mongodb by mongodb client and equal 2 if I connect to mongodb by mongoose



      regarding to mongoose if I set poolSize=1 the connection poolSize will be one, if I tried to make it higher than two the poolSize will be two only



      I also set maxPoolSize for mongoose and mongodb client, not reflecting !!



      I am checking connection pool size from mongodb server by command
      "db.serverStatus().connections"



      However If I logged form client (connections.length) it's always equal 1 , for mongoose and mongodb client as well



      I want to know if there is configuration for mongodb server or the operating system " Debian 9 " to update max pool size



      I have tried many ways to set poolSize ( By add it as query param or options object )



      Mongodb performance is too bad ->



      I was testing express http server by jmeter by sending request from one thread infinite loop the throughput was 12000 +
      the response was static hello world text



      after adding mongoose and send response ( find all records in table has only 5 records ) the throughput is 600+ only



      So I would like to know how to maximize connection pool and hacks to enhance mongoose performance



      Ps: I have changed ulimit open files to be 64000



      Mongoose connection code :



      mongoose.connect(dbUrl , {  useNewUrlParser: true  , 
      autoReconnect:true ,
      poolSize: 100,
      reconnectInterval: 1000,
      reconnectTries: 30
      });
      var db = mongoose.connection;
      db.once('open', function() {
      console.log(mongoose.connections.length);
      });


      Mongodb Client code :



      var MongoClient = require('mongodb').MongoClient;
      MongoClient.connect(dbUrl, {
      useNewUrlParser: true ,
      poolSize: 1000
      }, function(err, client) {

      !err ? console.log('') :console.log(client);
      });






      node.js mongodb mongoose






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      asked Nov 21 '18 at 12:39









      Yasser MasYasser Mas

      112




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