How we killed our process, technology stack, and assumptions – and survived
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Transcript of How we killed our process, technology stack, and assumptions – and survived
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Jason Lo(to @ MeetMe Corp. 2
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Jason Lo(to
Jason Lo(to @ MeetMe Corp. 3
§ Applica(on Architect @ MeetMe
§ jasonlo(to everywhere! § Spent 10 years doing credit card
processing ( PCI =( )
§ Now I’m in social ( =) )
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So why are we here?
Jason Lo(to @ MeetMe Corp. 4
Learn how and when to change your
§ Processes § Technologies When you have to change your
§ Product
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Goals
Jason Lo(to @ MeetMe Corp. 5
§ Learn ways to successfully apply change § Save yourself pain and suffering § Spot warning signs before they become a problem
§ Dodge bullets
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Jason Lo(to @ MeetMe Corp. 6
The Project
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New Profile Page Overview
Jason Lo(to @ MeetMe Corp. 7
§ Exis(ng Product: Profile § One of the most popular pages
§ Gateway to a user § Lots of things happening § Lots of technology
– PHP, PostgreSQL, RabbitMQ, JavaScript libraries, messaging system
– 3rd party adver(sing dependencies, tracking systems
– Lots of legacy stats, events, products s(ll in use
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Rule #1: Develop One Product At A Time
Jason Lo(to @ MeetMe Corp. 8
A new product is just 1 new product. A rewrite is 2 products.
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Samuel L. Jackson said it best…
Jason Lo(to @ MeetMe Corp. 9
“We have all the problems of a major theme park and a major zoo, and the computers aren’t even on their feet yet.”
– Dr. John Arnold, Jurassic Park
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Rule #1: Develop One Product At A Time
Jason Lo(to @ MeetMe Corp. 10
“They did it by making the single worst strategic mistake
that any sodware company can make: They decided to rewrite the code from scratch.”
– Joel Spolsky on Netscape
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Rule #1: Develop One Product At A Time
Jason Lo(to @ MeetMe Corp. 11
Some(mes you need to rewrite because you are adop(ng new technology for a new plaeorm or performance reasons.
Your ins(nct should be to reuse code.
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Jason Lo(to @ MeetMe Corp. 12
Rule #2: Encourage a Minimal Viable Product
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The Not-‐So Minimal Viable Product
† Thank you Thesaurus for helping me come up with vexing so I could make a joke with MVP using Mountain and Paper 13
So, you’ve been given a spec for an “MVP”, which apparently stands for a Mountain of Vexing† Paper.
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Rule #2: Encourage a Minimal Viable Product
Jason Lo(to @ MeetMe Corp. 14
If you want all the features of your old product, why are you rewri(ng it?
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Rule #2: Encourage a Minimal Viable Product
Jason Lo(to @ MeetMe Corp. 15
Less is More More opportunity to adapt to new processes
More (me to learn new technologies
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Rule #2: Encourage a Minimal Viable Product
Jason Lo(to @ MeetMe Corp. 16
Need help pruning features?
If a feature takes 1-‐month to build, would you delay product launch to get it in?
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Jason Lo(to @ MeetMe Corp. 17
GeVng Lost in a Changing Process
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Rule #3: Don’t Adopt an “Agile” Process
Jason Lo(to @ MeetMe Corp. 18
“If ader 15 minutes, you are s(ll in your standup,
here’s your sign.” – if Jeff Foxworthy was a programmer
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Rule #3: Don’t Adopt an “Agile” Process
Jason Lo(to @ MeetMe Corp. 19
Agile has real meaning! You can’t just make parts of the process up as you go along.
You do that when you walk blindly.
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Rule #3: Don’t Adopt an “Agile” Process
Mee(ng my contractual obliga(ons =) 20
Don’t throw out Jira
Have a reason for change
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Rule #4: You Aren’t the Center of the World
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“You are not special. You are not a beau(ful or unique snowflake.”
-‐ Tyler Durden, Fight Club
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Rule #4: You Aren’t the Center of the World
Jason Lo(to @ MeetMe Corp. 22
If you are crea(ng process alone…
Without QA, project managers, product owners…
You will forget things.
And you now own something else, adding even more to your workload.
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Rule #4: You Aren’t the Center of the World
Jason Lo(to @ MeetMe Corp. 23
Involve the team from the beginning.
Share responsibili(es.
Automate Everything & DRY
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Rule #5: Don’t make it up as you go along
Jason Lo(to @ MeetMe Corp. 24
“We’ll make it up as we go along.” -‐ Me, at some point before the project started
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Rule #5: Don’t make it up as you go along
Jason Lo(to @ MeetMe Corp. 25
A process should mean less work. A new process is like a new product.
Crea(ng a new process violates rule #1.
Develop one product at a (me.
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Rule #5: Don’t make it up as you go along
Jason Lo(to @ MeetMe Corp. 26
“There’s never enough (me to do it right, but there’s always enough
(me to do it over.” – Jack Bergman
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Jason Lo(to @ MeetMe Corp. 27
Changes in Technology “Some people, when confronted with a problem, think "I know, I'll use regular
expressions." Now they have two problems.” -‐ Jamie Zawinski
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Rule #6: Treat Technology Change as an Op(miza(on
Jason Lo(to @ MeetMe Corp. 28
Your exis(ng stack got you there It’s not old, it’s baele-‐tested!
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Rule #6: Treat Technology Change as an Op(miza(on
Jason Lo(to @ MeetMe Corp. 29
Validate Changes
You do it for Product
You do it for Process
You do it for Code
We should do it for
Technology Choices
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Rule #6: Treat Technology Change as an Op(miza(on
Jason Lo(to @ MeetMe Corp. 30
“We should forget about small efficiencies, say about 97% of the Fme: premature op6miza6on is the root of
all evil” – Donald Knuth, or Tony Hoare, or not?
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Rule #7: Prefer Proven Technologies, Seek New Solu(ons
Jason Lo(to @ MeetMe Corp. 31
“Before adop(ng new technology, Toyota will go to great lengths to analyze the impact
it may have on exis(ng processes.” -‐ Jeffrey Liker, The Toyota Way
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Rule #7: Prefer Proven Technologies, Seek New Solu(ons
Jason Lo(to @ MeetMe Corp. 32
What problem does the new solu(on solve that the proven technology not?
Is that problem real?
Adopt new technology with small steps.
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Rules Recap
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1. Develop one product at a (me
2. Encourage a Minimal Viable Product
3. Don’t adopt an “agile” process 4. You aren’t the center of the world 5. Don’t make it up as you go along
6. Treat technology changes as an op(miza(on
7. Prefer proven technologies, seek new solu(ons
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Jason Lo(to @ MeetMe Corp. 34
Thank you
@jasonlo(to