The document discusses best practices for migrating applications to the cloud. It recommends instrumenting applications early in the migration process to gain visibility and identify issues. A methodical approach is suggested that involves planning the strategy, priorities, and baseline metrics upfront. The migration should then be executed gradually with validation checks to ensure performance and functionality are maintained. Ongoing monitoring is also important after migration to account for the dynamic cloud environment.

1. ©2008–18 New Relic, Inc. All rights reserved.
Migrating to the Cloud
What to do when things go sideways
Lee Atchison ∙ Senior Director Strategic Architecture at New Relic, Inc.
leeatchison@leeatchison

2. ©2008–18 New Relic, Inc. All rights reserved
You Have a Problem…
2

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It’s Your Big Day
3
Busiest Day of the Year
Black
Friday
Product
Launch
Election
Day
The day of the year when
your company either…
… makes it or breaks it

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Will You Survive?
Can you scale?
Can you stay operational?

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You’ve Been Anticipating This…
5

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You know that you
can’t scale using your
own infrastructure…
Ops

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Ops
So… that’s why
your company has
a cloud initiative…
… surely, moving to the cloud will solve
our scaling problems.
… surely, the cloud will save us
money.
… or at least, that’s what you thought…

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But you were wrong…
… why isn’t the migration complete?
… why is it costing me more?
… why is the performance so bad?
Why? Why? Why?
Ops

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I Hope, I Hope, I Hope
the Site Stays Upthis Migration Completes

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HighExpectations
Blame Game
Intensity
Rises
The problem
must be the
cloud’s fault
Pressure
to declare victory in
the migration
The Politics of Migration
Show me my
applications!
Promised Performance
gains?
Cost controls?
Optimize costs?
Why is it taking so long?
Failure…

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Ops
Moving to the cloud…
Does not have to be scary…
… or dangerous
You can succeed.

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There is a solution…
12

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Success in Migration Takes…
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Visibility into your applications and
infrastructure
Instrument your application early in the process
Find problems as quickly as possible
Give yourself a clear understanding of what is
going on

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Why Measurement Matters
14
Early Instrumentation
Greater Visibility
Easier Migration
Faster migrationsThe earlier you instrument, the faster you go

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Why Measurement Matters
15

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Doing migrations right…
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Doing Migrations Right…
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Migrate
Methodical execution with
validation and data
Run
Understand impact of the
cloud on your app
performance
Plan
Understand your
migration strategy
upfront

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Doing Migrations Right…
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Migrate RunPlan
Methodical execution with
validation and data
Understand impact of the
cloud on your app
performance
Understand your
migration strategy
upfront

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Plan
Application Baseline

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Baseline
20
What metrics are important?
Develop KPI model.
Gather metrics & document
current state (baseline)
Compare to baseline during
migration
Plan Migrate Run

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KPI – Key Performance Metrics
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Technical
• Give understanding on how your
services function internally
• Understand infrastructure needs
for your application
User Experiential
• Are your users seeing
valid/reasonable content?
• Is their performance acceptable?
• Are they getting errors or
encountering problems?
Business
• Are you converting customers?
• What’s your conversion rate?
• Is your revenue inline with your
costs?
• Are you accomplishing what you
want to accomplish?
Plan Migrate Run

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KPIs – Are Critical
22
Plan Migrate Run

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Plan
Dependencies and Inventory

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Server OS
Server (Virtual)
Hardware
Application &
Application
Microservices
Provisioning
Application &
Application
Microservices
Application &
Application
Microservices
BrowserMobile
InstrumentAll Parts of theApplication
and Infrastructure
DASHBOARDS
Help you understand:
• How app components work together
• What depends on what?
• What are performance expectations of each
component?
Did you miss something?
Plan Migrate Run

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Plan
Component prioritization and migration order

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Prioritize Migration Order
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Two Tasks:
1. What components are in scope?
2. What is the order of migration for these
components?
Plan Migrate Run
1
3
2
5
4

27. ©2008–18 New Relic, Inc. All rights reservedApplication Adoption
Corporate
Adoption
What Should You Migrate First? Next?
Mandate
Committed
Allow Value-Added
Allow SaaS
Allow Servers
Secure
Experiment
Experiment Servers Managed
Components
Unique
Components
Committed
Critical
Services
New
Services
Non-Critical/
Internal Tools
Step #2
Step #1
Step #3
First Steps
Service
Re-Writes
Step #4
Plan Migrate Run

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Components Included
Migration Priority
Application Adoption
Corporate
Adoption
Adoption Sweet Spot
Mandate
Committed
Allow Value-Added
Allow SaaS
Allow Servers
Secure
Experiment
Experiment Servers Managed
Components
Unique
Components
Committed
First Steps
Plan Migrate Run

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Doing Migrations Right…
29
Migrate RunPlan
Methodical execution with
validation and data
Understand impact of the
cloud on your app
performance
Understand your
migration strategy
upfront

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Migrate
Issues and Roadblocks

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Identify Issues & Roadblocks
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Is Your App Functioning? Is It Running Efficiently?
Early instrumentation allows you to uncover
issues & roadblocks easier and quicker.
Is your application running as
expected on the new
infrastructure?
Is it using the resources you
expect it to use?
Plan Migrate Run

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Migrate
Validate Cloud Improvements

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Validate Cloud Improvements
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Baseline and Compare
Serverless
Databases
Queues and notifications
API
Plan Migrate Run

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Migrate
Acceptance Testing

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Acceptance Testing
35
Prove success or…
• Baseline again
• Compare against on-premise
• Repeat until done…
Plan Migrate Run

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Doing Migrations Right…
36
Migrate RunPlan
Methodical execution with
validation and data
Understand impact of the
cloud on your app
performance
Understand your
migration strategy
upfront

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Post Migration – Ongoing Monitoring
is Essential
37
You’ve migrated. Now what?
Infrastructure is now out of
your control
Some cloud
specific characteristics
Understand
application impact
Monitor front end, applications,
instances,
& cloud services
Dynamic technologies
Serverless
Distributed architecture
Multi-region redundancy
Cloud spend optimization
Routing and Security
Plan Migrate Run

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Doing Migrations Right…
38
Migrate RunPlan
Monitor your application and infrastructure
Methodical execution with
validation and data
Understand impact of the
cloud on your app
performance
Understand your
migration strategy
upfront

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Customers demand modern applications
Modern applications modern instrumentationdemand

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Ops
Visibility helps you innovate
• Speed to Innovate
• Flexibility to Innovate

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Ops
Innovation gives you confidence
• Confidence to migrate
• Confidence to scale

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Dev
Instrumented Cloud World
Ops
Previous
Ops
Visibility Gives You Confidence in the Cloud

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Visibility Gives Innovation the Speed You Require
43
Early Instrumentation
Greater Visibility
Easier Migration
Faster migrationsThe earlier you instrument, the faster you go

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the Site Stays Up
I Hope, I Hope, I Hope

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Panic

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Move faster
with confidence
46
The Earlier You Instrument, the Faster You Go
Ops

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Thank you
Lee Atchison ∙ Senior Director Strategic Architecture at New Relic, Inc.
leeatchison@leeatchison

48. ©2008–18 New Relic, Inc. All rights reserved
Safe Harbor
48
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