rethinkdbdash/tool/ulimit.js

A Node.js driver for RethinkDB with promises and a connection pool

var assert = require('assert');

// Set ulimit -n 50 for this test
var maxOpenFiles = 50;

var r = require('../lib/')({
  min: maxOpenFiles-20,
  max: 2*maxOpenFiles
});


var Promise = require('bluebird');


(function() {

  var promises = [];
  for(var i=0; i<70;i++) {
    promises.push(r.expr(1).run());
  }

  setTimeout(function() {
    Promise.all(promises).then(function() {
      console.log('Sending second batch');
      console.log(r.getPool().getLength());
      assert(r.getPool().getLength() < maxOpenFiles);


      promises = [];
      for(var i=0; i<70;i++) {
        promises.push(r.expr(1).run());
      }
      return Promise.all(promises);
    }).then(function() {
      console.log("test done");
    }).error(function(err) {
      console.log("Error");
      console.log(err);
    });
  }, 10000)
  setTimeout(function() {
    Promise.all(promises).then(function() {
      console.log('Sending second batch');
      console.log(r.getPool().getLength());
      assert(r.getPool().getLength() < maxOpenFiles);


      promises = [];
      for(var i=0; i<70;i++) {
        promises.push(r.expr(1).run());
      }
      return Promise.all(promises);
    }).then(function() {
      console.log("test done");
    }).error(function(err) {
      console.log("Error");
      console.log(err);
    });
  }, 20000)

})();