function findDataLoop () {
  for (var i = 1; i<= 50000; i++) {
    var personVer = db.config.find({configVer:"v:1"}).next().PersonVer;
    var personCollection = db.getCollection(personVer); 
    db.person1.find({PersonId:"p:9"}).next();
  }
}

function findData () {
  var personVer = db.config.find({configVer:"v:1"}).next().PersonVer;
  var personCollection = db.getCollection(personVer); 
  db.person1.find({PersonId:"p:9"}).next();
}