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Kill The Three Pillars
Traces, logs and metrics. The three pillars of observability? Nonsense.
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John Gallagher

June 2024

What's a wide context aware event?
Instead of "three pillars" I'm a big fan of context aware events. But what are they?
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John Gallagher
2
Why I Help Teams With Observability
Because I want to help eradicate poverty. Delusional? Possibly.
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John Gallagher
2

May 2024

April 2024

The Impact Of Feedback Loops
Poor feedback loops lead to bad software. And bad software has real consequences.
 • 
John Gallagher
Stop sending metrics. Start deriving them.
Metrics aren't that useful. Unless they're derived from deeper sources of information.
 • 
John Gallagher
Using Observability To Discover Dead Code
How I discovered 27% of our Rails app was dead.
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John Gallagher
Observability - The New Focus
I’m changing the focus of this newsletter to be about Observability. If you don’t care about observability after reading this, please unsubscribe. 🙂
 • 
John Gallagher

July 2023

The SOLID Edition
SOLID is pretty old now. Are there newer alternatives that are more relevant? Let's examine three.
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John Gallagher

June 2023

The Unison Edition
There's a new language kid on the block - and it's got huge consequences for design.
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John Gallagher
The Mindset Edition
Ideas for marketing yourself, defining yourself by your language and focussing on the basics.
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John Gallagher
The Flexible Edition Part 1
Preventing a big mess, the value of use cases and how to keep objects flexible.
 • 
John Gallagher
© 2024 John Gallagher
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