Speaker: Jay Gordon

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Jumpstart: Introduction To MongoDB

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WHY AM I HERE?
I love waking up early.
or...
You are ready to start your MongoDB.local Experience!

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WHAT COLOR IS
THIS DRESS?

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Social Media goes wild…

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It went viral

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The web servers… not so happy.

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App handling votes, handled requests like a champ

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What did I learn?
● People like dresses
● People LOVE sharing opinions
● The web servers and MySQL were not efficient
● MongoDB withstood the traffic
● MongoDB was perfect for voting app

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Jay Gordon
Cloud Developer Advocate
MongoDB - NYC
@jaydestro

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ENOUGH ABOUT ME.

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Agenda
• Compatibility
• Document Model
• Query Language
• MongoDB Components
• SysAdmin/DevOps - Implementation

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OK, so what is MongoDB?
MongoDB is a cross-platform and open-source
document-oriented database, a kind of NoSQL
database. As a document database, MongoDB
shuns the relational database's table-based
structure to adapt JSON-like documents that
have dynamic schemas which it calls BSON.

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OK, so what is MongoDB?
● Written in C++, C and JavaScript.
● Source and binary packages available for
download on mongodb.com/download
● Affero GPL License
● Ready for Cloud or Bare Metal Environments

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OK, so what is MongoDB?
MongoDB was written to make it simple to store data.
{"Key": "Value"}
Create dynamic schemas for your data.
Model your data based on your app.

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More than just key-value
var LocationSchema = new Schema({
name: String,
loc: {
type: [Number], // [<longitude>, <latitude>]
index: '2d' // create the geospatial index
}
});
Create dynamic schemas for your data.
Model your data based on your app.

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COMPATIBILITY

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MongoDB was made to run anywhere...

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Use the languages you know to access your data...

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DOCUMENT MODEL

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We're talkin' about documents

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We're talkin' about documents

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We're talkin' about documents

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Rich data similar to JSON

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Rich data similar to JSON
● Binary serialization JSON data representation!
● Easier to transfer than text files.
● Lightweight, transversable, efficient.

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QUERY LANGUAGE

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Expressive Query Language - Compass

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Expressive Query Language - mongo Shell

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Expressive Query Language

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Indexes
Indexes support the efficient execution of queries in
MongoDB.
Without indexes, MongoDB must perform a collection scan
(Look at every doc for results)

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Index Types
• Single Field
• Multikey
• Text
• Geospatial
• Hashed
• Compound

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Aggregation Pipeline
A framework for data aggregation modeled on the concept of
data processing pipelines.
Documents enter a multi-stage pipeline that transforms the
documents into aggregated results.

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Think about a Unix pipeline, stages.
bash-3.2$ ps auxwww | grep mongod.conf | awk '{
print $2 }'
39087
41024

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Aggregation Pipeline
Reduce the CPU cycles in processing your app, let MongoDB
handle aggregation.
Results produced from aggregation lower in total byte size
than your data, saving bandwidth.

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Collection of Zip Code Data : Data Model
{
"_id": "10280",
"city": "NEW YORK",
"state": "NY",
"pop": 5574,
"loc": [
-74.016323,
40.710537
]
}

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Return States with Populations above 10 Million
db.zipcodes.aggregate( [
{ $group: { _id: "$state", totalPop: { $sum:
"$pop" } } },
{ $match: { totalPop: { $gte: 10*1000*1000 }
} }
] )

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MONGODB COMPONENTS

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Replica Sets
A replica set in MongoDB is a group of mongod processes that
maintain the same data set
Replica sets provide redundancy and high availability, and are
the basis for all production deployments.

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Replication
PRIMARY
SECONDARY SECONDARY
DRIVER
APPLICATION

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Replication
PRIMARY
SECONDARY SECONDARY
DRIVER
APPLICATION

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Replication
SECONDARY PRIMARY
DRIVER
APPLICATION
FAILED

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Replication
SECONDARY PRIMARY
DRIVER
APPLICATION
RECOVERY

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Replication
SECONDARY PRIMARY
DRIVER
APPLICATION
SECONDARY

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Sharding - Increase throughput through distribution
Sharding is a method for distributing data across multiple
machines.
MongoDB uses sharding to support deployments with very
large data sets and high throughput operations.

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Sharded Cluster Example
SHARD
0
SHARD
1
SHARD
2
SHARD
3
ROUTER
mongos
DRIVER
APPLICATION
P
S S
CONFIG SERVERS

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Sharded Replicas Example
ROUTER
mongos
DRIVER
APPLICATION
P
S S
P
S S
P
S S
P
S S
P
S S
CONFIG SERVERS

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DEVOPS AND SYSADMINS
LET'S TALK ABOUT
MAKING LIFE EASIER.

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Tasks to consider...
PATCHES
UPGRADES
SECURITY
BACKUPS
RECOVERY
99.999% UPTIME
UPSCALE
DOWNSCALE

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Helping you deploy in any environment...
ConvenienceControl
Cloud ManagerOps Manager MongoDB Atlas
data: on-prem or
cloud
ops: on-prem or
cloud
data: on-prem or
cloud
ops: cloud
Fully Managed Cloud

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Helping you deploy in any environment...
ConvenienceControl
Cloud ManagerOps Manager MongoDB Atlas
data: on-prem or
cloud
ops: on-prem or
cloud
data: on-prem or
cloud
ops: cloud
Fully Managed Cloud

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Helping you deploy in any environment...
ConvenienceControl
Cloud ManagerOps Manager MongoDB Atlas
data: on-prem or
cloud
ops: on-prem or
cloud
data: on-prem or
cloud
ops: cloud
Fully Managed Cloud

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Fully automated MongoDB hosting in the cloud

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The smartest and easiest way to run MongoDB!
● Elastic MongoDB Service in Cloud
● Secure by default
● VPC peering for AWS
● Performance tools
● Point-in-time restores
● Monitoring and Alerting
● Real-time performance metrics

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The smartest and easiest way to run MongoDB!
● Three node replica set, default!
● Self Healing
● Redundant (Multi-AZ)

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Security, MongoDB Atlas's #1 Priority
In-flight Security:
● TLS/SSL
● Authentication and Authorization
● IP Whitelists
● User roles
● VPC Peering (AWS)
At-rest security:
● AES-256 CBC hardware encryption
● Check out Townsend Security's Talk!
○ 12:50PM Harbor Room

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Scale with ease

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Backups and Disaster Recovery
● Snapshots every 6 hours
● Point-in-time backup of replica
● Pay-as-you-go
● Set up at any time
● Queryable Backup without full restore
● Replicas are for redundancy, not data
recovery

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Data Explorer

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Real time performance information

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Graphs and Metrics
● MongoDB specific
● Hardware specific
● Utilization
● Performance

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Monitoring and Alerting
● Supports Third-Party integrations
● Webhooks
● Email
● SMS
● PagerDuty
● Slack
● Datadog

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Performance Advisor

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Live migration tools
● Just provide details on where your data is
● Cutover window provided by tailing oplog live
● Reduced downtime over manual import
● Support directly from MongoDB team

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Deploy with your DevOps Automation Tools

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Your data is flexible, your Cloud Platform can be too

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Integration with Backend as a Service, Stitch

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Atlas free tier, get started now!
● mongodb.com/atlas
● Free three node cluster
● 512 MB Disk
● No credit card
● Easiest way to start

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What's Next?
● Keynotes
● Sessions
● Ask The Experts
● MongoDB University
● YouTube Tutorials
● Advocacy Hub

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THANK YOU
FOR JOINING!

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QUESTIONS?