Transcript
A People’s History of Microservices
Monitoring for the Small Fry
Camille Fournier, CTO, Rent the Runway@skamille
@lonelocust
How do we get out of here?
How did we get here?
A People’s History
Well, my muddled memories and impressions of living through the past 20 years of computing evolution
In the beginning…
Leslie Lamport
“A distributed system is one in
which the failure of a computer you
didn’t know existed can render your own computer
unusable”
@cra
@@adrianco
AAAHHHHHHHHH
To Sum Up:
Under conditions of…
SCARCITY
“Should” and “Must” need not apply
This does not require
perfection to reach!
http://martinfowler.com/bliki/MicroservicePremium.html
What is monitoring anyway?
Identify the cause of known problems quickly
Understand the state of systems at all times
(to detect hidden or upcoming problems)
Part 1: Identifying the cause of problems
quickly
And other incident management improvements…
TESTING
THE WISDOM OF INES SOMBRA @RANDOMMOOD
Monitoring is not a substitute for
testing
Seriously, stop saying that. Now. Stop it.
Clearly Articulate Dependencies
What downstream systems does this system rely on?
What does “healthy” look like for the system?
Enabling devs to hand off support of systems is actually good!
What about tools tho?
Pick a couple of tools, no more!
Consistency, Clarity over Creativity
Part 2: Detect and predict things that are wrong without alerts
And operating well enough when things are failed.
Your most useful data is an approximation of your
business
What is the CUSTOMER experiencing?
What is the CLIENT experiencing?
What are the rhythms of your business like?
Your Team
Your Customers
RESILIENCE
Any of your
services can die
User
Checkout
Static Asset CDN Origin
Drupal
Our Runway
Home
Grid
Product Detail
static assets
sinatra views / erbs
< Sinatra::Base
RtR API clients
Heroku
Rackspace
Engine Yard
In conclusion
We’re all in this together
“There is an underside to every age about which history does not often speak, because history is written from records left by the privileged”
Howard Zinn, A People's History of the United States
Thanks! Questions? @skamille
top related