SpringPeople Introduction to MongoDB

7/22/2019 SpringPeople Introduction to MongoDB

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SpringPeople Software Private Limited, All Rights Reserved.


Introduction to MongoDB


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What is MongoDB?

MongoDB is a NoSQL store - NoSQL revolution

happened to solve the many issues faced with

storing web-scale data in relational databases

It doesn't use SQL to store and retrieve data Widely adopted in web applications these days

No clear winner and therefore difficult to choose

among alternatives


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Key Features - MongoDB

The document data model

Ad-hoc queries

Secondary indexes

Replication

Speed & Durability

Scaling


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MongoDB Concepts

Database A single MongoDB server can have many databases

Collections

Collections are a group of Documents (sort of like RDBMS tables)

Documents

A record in a MongoDB collection with a maximum size of 16MB

Fields

One name-value pair in a document & is analogous to columns in a relational

database


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MongoDBHands-On

Use-Cases

Blog posts and Comments

E-commerce data

Products and categories

Users and their orders

Reviews of products

LinkedIn Profile Analysis A person and his/her education and experience


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Hands-OnCUD of CRUD

LinkedIn case studyJSON document for Profile

C of CRUD

Insert documents

Get, Change, Save U of CRUD

Update a document

Update multiple documents

D of CRUD Remove

Drop


7/18 SpringPeople Software Private Limited, All Rights Reserved.

Hands-OnR of CRUD

Find documents

Find all documents - find

Find a single document - findOne

Specify a condition

Specify multiple conditions

Specifying conditions on sub-documents



Indexing

Understanding the need for indexing

The explain

Creating an index

Creating an index with a unique field

Indexes with multiple fields (compound indexes)

Hashed Indexes

Sparsed Indexes

Removing an index

Displaying all indexes Indexes that support covered queries



Replication

Why Replication?

Redundancy

Fail-over

Maintenance

Load Balancing

Replication Setups

Master/Slave Replication

Replica Set Setup Arbiter

Finding status via rs.status() on Primary

Fail-over



ReplicationOplogs and Heartbeat

Oplog

Capped Collections that is present in a database called

local on every replicating node

Location: Database: local, Collection: oplog.rs Changing the oplog size (via mongod config)

Heartbeat

A 2-second ping with other members that helps the replicaset determine if a node has gone down


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Authentication

Adding the admin user

Adding individual users

Starting the server with auth enabled

Using authentication Replica sets and authentication


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Sharding

Idea of sharding

How is sharding different from replication?

The different servers involved

Shards

Routers Config Servers

Sharding without replication

Sharding with replication

Sharding with security enabled

Bad shard keys

Choosing ideal shard keys


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Backup, Repair, Import, Export

Backing up the data directory

Issue with backing up the data directory

Using fsync and lock

mongodump

mongorestore

Bsondump

mongoimport

mongoexport


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Monitoring

Admin UI

Getting database information via the UI

HTTP REST based interface

Monitoring

serverStatus

dbStats

collStats

mongostat mongotop

mongosniff


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Leftovers

Production Checklist

Write concern in replica sets

Full Text Search

Map/Reduce

GridFS


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Become a MongoDB Expert In 3

Days Flat

Attend the 3-Days MongoDB Administration Workshop

View Complete Details
http://springpeople.com/courses/regular/mongodb-administration-jumpstart-workshop-training-course.phphttp://springpeople.com/courses/regular/mongodb-administration-jumpstart-workshop-training-course.php


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Who will benefit?

Application Developers who are currently evaluating the use of MongoDB in

their projects

View Complete Details
http://springpeople.com/courses/regular/mongodb-administration-jumpstart-workshop-training-course.phphttp://springpeople.com/courses/regular/mongodb-administration-jumpstart-workshop-training-course.php


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For further info/assistance contact

[email protected]

+91 80 65679700

www.springpeople.com

Certified Partner For
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