The Third Way - Enable and Inject Learning into Daily Work
18 important questions on The Third Way - Enable and Inject Learning into Daily Work
Why kept Netflix's system working when Amazon AWS US_EAST went down in 2011.
What is the Bad Apple Theory according to Dr. Sydney Dekker?
What is Just culture according to Dr. Sydney Dekker?
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding
Name two effective practices to create a just, learning based culture.
- Blameless post-mortems
- Controlled introduction of failures into production.
When do we plan a post-mortem also known as post-event retrospectives?
What do we do in a post-mortem meeting?
- Construct a timeline with details from as many perspectives on failures
- Empower all engineers to improve safety to give detailed accounts of their contributions to failures
- Enable en encourage people which made the mistake to be the expert on how to not make them in the future
- Accept that humans can decide to take action or not.
- Propose countermeasures to prevent similiar accidents and ensure that they are recorded with a target date and an owner for follow-up.
Which stakeholders should be present at a post-mortem?
- The people who contributed to the problem
- the people who identified the problem
- the people who responded to the problem
- the people who diagnosed the problem
- the people who where affected by the problem
- and anyone else who is interesting attending the meeting
Why should counterfactual statements as 'I could have..' or ' If i had known, I should have...' be avoided in post-mortems?
- To avoid people blaming themselves for things outside their control
- to avoid people questioning their own abilities
- it frames the system as imagined while we should look at it as how the system actually exists.
What do we do when a post-mortem is done?
What is the advantage of making all information about a post-mortem available?
And to clients to give transparency so their trust in usvincreases.
How is the tool which Etsy used for recording post-mortems called?
What could be recorded and how was it usefull?
Recorded: Scheduled or unscheduled incident, post-mortem owner, Relevent IRC, Relevant JIRA tickets, Links to consumer forum posts.
It was usefull because it was more easy to record the post-mortems so the number of reported post-mortems increased and therefore enabled organizational learning.
Organizations are typically structured according to one of two models.
Name the models.
- Standardized model
- Experimental model
What is a next step when organization tends to have less failures?
What is necessary for a learning and calculated risk taking?
How can you make you're application more resilient?
- Inject failures in production to learn how to deal with it
What's the name of Google's resilient program?
What are Game Days?
What are the advantages of Game Days.
- You will find failures which you didn't expect and can take countermeasures
- A way to test the systems and the business processes at once.
- People know who to call
- Creating a routine
The question on the page originate from the summary of the following study material:
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding
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