daniel-roberts-10gen

//Setup directories
mkdir r1
mkdir r2
mkdir r3
mkdir r4
mkdir r5
mkdir r6
mkdir config

//create replicasets

daniel-roberts-10gen

public class Test
{
 public static void main(String args[])
 {
   System.out.println("Hello World!");
 }
}

daniel-roberts-10gen

insertQ = function () {
    for (i = 0; i < 1000; i++) {
        db.queue.insert({message:"amessage", count:i, ts:new Date, status:"new"});
        print("Count:" + i);
	sleep(250);
    }
}

dQueue = function() {
 for(i=0;i<1000;i++)  {

daniel-roberts-10gen

db.adminCommand({setParameter:1, logLevel:5});

daniel-roberts-10gen

use digg
//Map reduce functions
map = function() {
emit(this.user.name, {diggs: this.diggs, posts: 1});
}

reduce = function(key, values) {
var diggs = 0;
var posts = 0;
values.forEach(function(doc) {

daniel-roberts-10gen

//Update if current

db.inventory.insert({sku:'abc',qty:10})
db.inventory.update({sku:'abc'},{$set : {qty:10}})

p = db.inventory.findOne()

db.inventory.update({sku:p.sku,qty:p.qty},{$inc : {qty : -1}})
db.getLastErrorObj()
db.inventory.update({sku:p.sku,qty:p.qty},{$inc : {qty : -1}})

daniel-roberts-10gen

/**
 * Example code for MongoDB CRUD
 * and commands.
 * 
 */
package com.tengen.demo;

import com.mongodb.*;
import com.mongodb.util.*;
import com.mongodb.gridfs.*;