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M101J: MongoDB for Java Developers

Syllabus

• WEEK 1-INTRODUCTION
• WEEK 2-CRUD
• WEEK 3-SCHEMA DESIGN
• WEEK 4-PERFORMANCE
• WEEK 5-AGGREGATION FRAMEWORK
• WEEK 6-APPLICATION ENGINEERING
• WEEK 7-CASE STUDIES

[] WEEK 1-INTRODUCTION

• Welcome to M101J
• What is MongoDB?
• MongoDB Relative to Relational
• Overview of Building an App with MongoDB
• Quick Introduction to the Mongo Shell
• Introduction to JSON
• System Requirements
• Installing MongoDB (mac)
• Installing MongoDB (windows)
• Installing and Using Maven
• The MongoDB Java Driver
• Intro to the Spark Web Application Framework
• Intro to the Freemarker Templating Engine
• Spark and Freemarker Together
• All Together Now: MongoDB, Spark and Freemarker
• Spark: Handling GET requests
• Spark: Handling POST requests
• MongoDB is Schemaless
• JSON Revisited
• JSON Subdocuments
• JSON Spec
• Introduction to Our Class Project, The Blog
• Blog in Relational Tables
• Blog in Documents
• Introduction to Schema Design

[] WEEK 2-CRUD

• Introduction to Week 2
• CRUD and the Mongo Shell
• Secrets of the Mongo Shell
• BSON Introduced
• Inserting Docs
• Introduction to findOne
• Introduction to find
• Querying Using field Selection
• Querying Using $gt and $lt
• Inequalities on Strings
• Using regexes, $exists, $type
• Using $or
• Using $and
• Querying Inside Arrays
• Using $in and $all
• Queries with Dot Notation
• Querying, Cursors
• Counting Results
• Wholesale Updating of a Document
• Using the $set Command
• Using the $unset Command
• Using $push, $pop, $pull, $pushAll, $pullAll, $addToSet
• Upserts
• Multi-update
• Removing Data
• Multi-update
• getLastError (MongoDB v2.4 and earlier)
• Java Driver: Representing Documents
• Java Driver: Insert
• Java Driver: find, findOne, count
• Java Driver: Query Criteria
• Java Driver: field Selection
• Java Driver: Dot Notation
• Java Driver: Sort, Skip and Limit
• Java Driver: Update and Remove
• Java Driver: findAndModify
• Blog, Internals
• Blog, Session Management
• Blog, User Interface

[] WEEK 3-SCHEMA DESIGN

• Introduction to Week 3
• MongoDB Schema Design
• Relational Normalization
• Mongo Design for Blog
• Alternative Schema for Blog
• Living Without Constraints
• Living Without Transactions
• One to One Relations
• One to Many Relations
• Many to Many Relations
• Multikeys
• Benefits of Embedding
• Trees
• When to Denormalize
• Handling Blobs
• Learn more about GridFS
• Introduction to Week 3
• What is an ODM?
• Field mappings, indexes and constraints in Morphia
• CRUD Operations in Morphia
• Sidebar: Importing from a Twitter Feed

[] WEEK 4-PERFORMANCE

• Introduction to Week 4
• Indexes
• Creating Indexes
• Discovering Indexes
• Multikey Indexes
• Multikey Continued
• Index Creation Option, Unique
• Index Creation, Removing Dups
• Index Creation, Sparse
• Index Creation, Background
• Using Explain
• When is an Index Used?
• How Large is Your Index?
• Index Cardinality
• Index Selectivity
• Hinting an Index
• Hinting in Java
• Efficiency of Index Use
• Geospatial Indexes
• Geospatial Spherical
• Text Searches in MongoDB
• Logging Slow Queries
• Profiling
• Mongotop
• Mongostat
• Sharding Overview

[] WEEK 5-AGGREGATION FRAMEWORK

• Introduction to Week 5
• Simple Aggregation Example
• The Aggregation Pipeline
• Simple Example Expanded
• Compound Grouping
• Using a document for _id
• Aggregation Expressions
• Using $sum
• Using $avg
• Using $addToSet
• Using $push
• Using $max and $min
• Double $group stages
• Using $project
• Using $match
• Using $sort
• Using $limit and $skip
• Revisiting $first and $last
• Using $unwind
• $unwind example
• Double $unwind
• Mapping between SQL and Aggregation
• Some Common SQL examples
• Limitations of the Aggregation Framwork

[] WEEK 6-APPLICATION ENGINEERING

• Introduction to Week 6
• Introduction to Replication
• Replica Set Elections
• Write Consistency
• Creating a Replica Set
• Replica Set Internals
• Failover and Rollback
• Connecting to a Replica Set from the Java Driver
• Bad Things Happen to Good Nodes
• Write Concern
• Network Errors
• Read Preferences
• Introduction to Sharding
• Building a Sharded Environment
• Implications of Sharding
• Sharding + Replication
• Choosing a Shard Key

[] WEEK 7-CASE STUDIES

• Introduction to Week 7
• Interview with Jon Hoffman, foursquare
• Interview with Ryan Bubinski, Codecademy

M102: MongoDB for DBAs

Syllabus

• WEEK 1-INTRODUCTION
• WEEK 2-CRUD and Administrative Commands
• WEEK 3-Performance
• WEEK 4-Replication
• WEEK 5-Replication Part 2
• WEEK 6-Scalability
• WEEK 7-Backup and Recovery

[] WEEK 1-INTRODUCTION

• Welcome to M102
• Introduction to the Course
• Introduction to Week 1
• Concepts
• Scaling
• SQL and Complex Transactions
• Documents Overview
• Instaling MongoDB(mac)
• Instaling MongoDB(windows)
• JSON Types
• JSON Syntax
• JSON Syntax 2
• Binary JSON
• BSON and applications
• Dynamic Schema
• What is the MongoDB shell
• Mongoimport
• Cursors Intruduction
• Query Language:Basic Concepts
• Query Languages:Projection
• Query Languages:Advantages of a Dynamic Schema
• Shell:Queries
• Sorting
• Query Languages:Cursors
• Deep Dive into the Course Going Forward

[] WEEK 2-CRUD and Administrative Commands

• Welcome to Week 2
• Introduction to Seek 2
• Insertion
• Update
• save() Command
• Partial Updates & Document Limits
• Removing Documents
• Multi Update
• Upsert
• Wire Protocol
• Bulk() Operations and Methods
• Common Commands
• db.runCommand()
• db.isMaster()
• db.serverStatus
• db.currrentOp() & db.killOp()
• collection.stats() & collection.drop()
• Review of Commands

[] WEEK 3-Performance

• Welcome to Week 3
• Storage Engine:Introduction
• Storage Engine: MMAPv1
• MMAPv1: Ducoments and Data Files
• Storage Engine: WiredTiger
• createIndex(),getIndexes()& dropIndex()
• Collection Scans
• Index Notes
• Unique Indexes
• Sparse Indexes
• TTL Indexes
• Geospatial Indexes
• Text Indexes
• Backgrund Index Creation
• Explain Plans
• Covered Queries
• Read & Write Recap
• currentOp() & killOp() Revisited
• The Profiler
• mongostat and mongotop

[] WEEK 4-Replication

• Welcome to Week 4
• Replication Overview
• Asynchrnous Replication
• Statement-based vs. Binary Replication
• Replication Concepts
• Automatic Failover
• Recovery
• Starting Replica Sets
• Initiating a Replica
• Replica Set Status
• Replica Set Commands
• Reading & Writing
• Failover
• Read Preference
• Read Preference Options

[] WEEK 5-Replication Part 2

• Week 5 Introduction
• Reconfiguring a Replica Set
• Arbiters
• Priority Options
• Hidden Option & Slave Delay
• Voting Options
• Applied Reconfiguration
• Write Concern Principles
• Examing the 'w' Parameter
• Write Concern Use Cases & Patterns
• Reexaming the Page View Counter Pattern
• wtimeout & Capacity Planning
• Replica Sets in a Single Datacenter
• Replica Sets in Multiple Datacenters
• Replica Sets and Storage Engine Considerations

[] WEEK 6-Scalability

• Introduction to Week6
• Sharding & Data Distribution
• Replication with Sharding
• Chunks & Operations
• Sharding Processes
• Cluster Topology
• Running on localhost
• The Config Database
• Adding the Initial Shards
• Enable Sharding for a Collection
• Working with a Sharded Cluster
• Cardinality & Monotonic Shard Keys
• Shard Key Selection Example
• Process and Machine Layout
• Bulk Inserts and Presplitting
• Further Tips and Best Practices

[] WEEK 7-Backup and Recovery

• Introduction to Week7
• Overview of Security
• Security continued:Authentication and Authorization
• SSL and Keyfiles
• Security and Client
• Intra-cluster Security
• Overview of Backing Up
• Mongodump
• Filesystem Snapshotting
• Backing Up a Sharded Cluster
• Backup Strategies
• Additional Features of MongoDB
• GridFS
• Hardware Tips
• Additional Resources