Cloudy with a Chance of Meatballs: Cloud Surprises for the Java Developer

Cloudy with a Chance of Meatballs
Holly Cummins
WW Development Lead
IBM Cloud Garage

@holly_cummins
This was a story …

@holly_cummins
…of a hero who wanted to make the world better…

@holly_cummins
…of a hero who wanted to make the world better…
… who had some challenges along the way.

@holly_cummins
We all know these stories.

@holly_cummins
Joseph
Campbell

@holly_cummins
Prometheus
Laconic Kylix with Prometheus and Atlas
~550 BC

@holly_cummins
Osiris
Tomb of Sennedjem

@holly_cummins
Howard Pyle
King Arthur and the Holy Grail

@holly_cummins
There is only one story:

@holly_cummins
There is only one story:
the quest

@holly_cummins
Call to Action
Obstacles
Reward

@holly_cumminsImage from the Nationaal Archief, the Dutch National Archives, and Spaarnestad Photo.

@holly_cummins
We are all the hero
of our own story.

@holly_cummins
What’s our quest?

@holly_cummins
Lots of fast hardware.

@holly_cummins
No repetitive tasks.

@holly_cummins
Bring value to our employer

@holly_cummins
Have an audience for our
awesome code

@holly_cummins
Make the world better.

@holly_cummins
install software.
patch.
repeat.

@holly_cummins
It takes us 3
months to get a VM
provisioned…
…to run a shell script
with a cron job.

export image=registry.bluemix.net/coolness/cool:v1
kubectl run coolstartup —image=${image} --port=8080
kubectl expose deployment coolstartup --type="LoadBalancer"

Also running on cloud,
but you don’t care that
it’s cloud

Yup, still on cloud
Also running on cloud,
but you don’t care that
it’s cloud

@holly_cummins
Call to Action
Obstacles
RewardFast hardware
No pointless tasks
Users love the hero

@holly_cummins
Problem solved.

@holly_cummins
Problem solved.
Quest over.

@holly_cummins
Problem solved.
Quest over.
Und wenn sie nicht gestorben
sind, so leben sie noch heute.

Wait, we’re not all
using containers?

You have to make
everything better by going the
the cloud!
… but there is a
certain amount of risk.
Sorry, can’t be a
hero. I need to stay
where I am.

20172016
75%
100%
50%
25%
Container Adoption Survey of 504 users by Cloud Native
Computing Foundation

20172016
75%
100%
50%
25%
Container Adoption Survey of 504 users by Cloud Native
Computing Foundation
Sorry, can’t do it. I
need to stay where I
am.

@holly_cummins
Safe
inside
Scary
outside
Firewall

@holly_cummins
Me
Clients from a
large bank
Watson
Discovery
Firewall
Data

@holly_cummins
Annual Review RoomHey boss, I put all our
sensitive data on the cloud.
Unencrypted.

@holly_cummins
Annual Review.
Theodoor Rombouts 1597 - 1637.

@holly_cummins
actually …
encryption ﬁxes most things

@holly_cummins
Built artefact
boundary
hardware
app
middleware
OS
virtualisation

@holly_cummins
Built artefact
boundary
hardware
app
hardware
app
middleware
OS
virtualisation
middleware
OS
virtualisation

@holly_cummins
Developers are
responsible for
security in the cloud.

@holly_cummins
Cloud can be
more secure.

I’ve been putting my apps
onto the cloud.
IBM Vice-President Client CIO

onto the cloud.
Good plan. You should
consider the IBM Cloud. :)

onto the cloud.
How long have
you been working on
this?

onto the cloud.
2 years.
How long have
you been working on
this?

onto the cloud.
2 years.
How long have
you been working on
this?
How many have
you done?

onto the cloud.
2 years.
2%
How long have
you been working on
this?
How many have
you done?

@holly_cummins
Call to Action
Obstacles
Reward
Cloud Native-ness

@holly_cummins
IBM Cloud Garage Interview RoomTell me your
deﬁnition of cloud
native.

@holly_cummins
IBM Cloud Garage Interview RoomTell me your
deﬁnition of cloud
native.
Cloud native is
just hype. It’s a new
name for an old
concept.

Shared centralised
computing is not new.

@holly_cummins
Es gibt nichts Neues
unter der Sonne

@holly_cummins
the ﬁrst
internet
Marcin Wichary

There are 5
computers.
In the whole world.

There are 5
computers.
In the whole world.
Timeshare

There are 5
computers.
In the whole world.
Timeshare
Microcomputer

There are 5
computers.
In the whole world.
Client-serverTimeshare
Microcomputer

There are 5
computers.
In the whole world.
Client-serverTimeshare
Microcomputer Personal
computer

There are 5
computers.
In the whole world.
GridClient-serverTimeshare
computer

Laptops
There are 5
computers.
In the whole world.
GridClient-serverTimeshare
computer

Laptops
There are 5
computers.
In the whole world.
GridClient-server CloudTimeshare
computer

Laptops
There are 5
computers.
In the whole world.
GridClient-server Cloud
Edge
computing
Timeshare
computer

If it’s not new,
why is it so hard?

@holly_cummins
cloud native is hard

• Containerized
• Dynamically orchestrated

• Containerized
• Microservices oriented

• Containerized
• Agile

• Containerized
• Agile
• Devops

• Containerized
• Agile
• Devops
• Elastic

• Containerized
• Agile
• Devops
• Elastic
• Stateless

Our server may go
away at any time.

Our old JVMs don’t work
so well in the cloud.

Physical
machine
Virtual
machine
Docker container

How much
memory Docker
thinks JVM has
Physical
machine
Virtual
machine
Docker container

How much
memory the JVM
thinks the JVM
has
How much
memory Docker
thinks JVM has
Physical
machine
Virtual
machine
Docker container

How much
memory the JVM
thinks the JVM
has
How much
memory Docker
thinks JVM has
Physical
machine
Virtual
machine
Docker container
The KILL ZONE

The JVM dies.
We bring it back to life.

The JVM dies.
We bring it back to life.
But it’s still annoying.

Our old way of doing
ops doesn’t work.

@holly_cummins
Happy Server
Application monitoring in the old days

@holly_cummins
Happy Server Unhappy Server
Application monitoring in the old days

@holly_cummins
“A typical microservices deployment.”

@holly_cummins
“A bad microservices deployment.”

@holly_cummins
Just because you can distribute your application
across 600 servers, doesn’t mean you should.

@holly_cummins
The cloud makes it so easy to
provision hardware.

@holly_cummins
That doesn’t mean the
hardware is free.

@holly_cummins
Hey boss, I created a
Kubernetes cluster.

@holly_cummins
Kubernetes cluster.
I forgot it for 2 months.

@holly_cummins
Kubernetes cluster.
I forgot it for 2 months.
… and it’s €1000 a month.

@holly_cummins
There is surely nothing
quite so useless as
doing with great
efﬁciency what should
not be done at all.
— Peter Drucker

@holly_cummins
cloud providers to manage
your cloud providers

We need a cloud to
manage our cloud.

IaaS
PaaS
SaaS
Value
Lower costs

IaaS
PaaS
SaaS
Value
Lower costs
Innovation

IaaS
PaaS
SaaS
Value
Lower costs
Innovation
End-user value

IaaS
PaaS
SaaS
Value
FaaS
Lower costs
Innovation
End-user value
Lower costs

IaaS
PaaS
SaaS
Value
FaaS
Lower costs
Innovation
End-user value
Internet of things
Lower costs

IaaS
PaaS
SaaS
Value
FaaS
Lower costs
Innovation
End-user value
Blockchain
Internet of things
Lower costs

IaaS
PaaS
SaaS
Value
FaaS
Lower costs
Innovation
End-user value
Artiﬁcial Intelligence
Blockchain
Internet of things
Lower costs

@holly_cummins
Serverless is just
someone else’s server.

@holly_cummins
Call to Action
Obstacles
Reward
Data
scientist

@holly_cummins
What’s the biggest problem
data scientists report?

@holly_cummins
Access to data.

@holly_cummins
What makes everything easier?

The Cloud is for data,
not just applications

@holly_cummins
Boring IaaS
The cloud is just someone else’s computer.

@holly_cummins
The cloud is just
someone else’s
super-special
GPU-loaded computer.

@holly_cummins
“I can do what?” IaaS

IBM’s 50-qubit
quantum computer

@holly_cummins
The cloud is just someone
else’s quantum computer.

Users are getting
more demanding.

@holly_cummins
millisecond
response times

@holly_cummins
immediate ﬁxes

@holly_cummins
constant innovation

@holly_cummins
Call to Action
Obstacles
RewardAwesome
compute power

@holly_cummins
“When I was last in
Germany, cloud was a thing
in the sky that made rain.”

@holly_cummins
cloud native
thinking

@holly_cummins
the hero of 2018 is the
cloud native native

@holly_cummins
Thank you.
@holly_cummins
IBM Cloud Garage

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