Open in app

Sign In

Write

Sign In

Alessandro Gerlinger Romero
Alessandro Gerlinger Romero

38 Followers

Home

About

May 31

Overcoming a Resource Constraint in the Journey against Unavailability

Recall the journey against unavailability of an application supporting insurance quotes, applications, and policies in an insurance company began when the CTO developed a heightened awareness extending beyond the application code [4]. But that was just the beginning. Along the journey, the CTO encountered a resource constraint, which posed a…

Sre

3 min read

Overcoming a Resource Constraint in the Journey against Unavailability
Overcoming a Resource Constraint in the Journey against Unavailability
Sre

3 min read


Apr 25

A Journey against Unavailability began

Once upon a time in an insurance company, a CTO (Chief Technology Officer) faced recurrent unavailability of the application supporting insurance quotes, applications, and policies. Such unavailability was perceived differently by stakeholders: - Insurance brokers were frequently unable to process their insurance quotes and applications; - Business teams experienced impacts…

Unavailability

3 min read

A Journey against Unavailability began
A Journey against Unavailability began
Unavailability

3 min read


May 18, 2021

The Duality boosted by Agile and SRE communities

On one hand, the Agile community in its papyrus records “individuals and interactions over processes and tools” [1], on the other hand, the SRE (Site-Reliability Engineering) community in its papyrus states “You can’t 'fix' people, but you can fix systems and processes to better support people making the right choices…

Agile

4 min read

The Duality boosted by Agile and SRE communities
The Duality boosted by Agile and SRE communities
Agile

4 min read


May 12, 2021

Value Proposition of Site-Reliability Engineering in a Tale of Two Cities

A Tale of Two Cities is a novel by Charles Dickens published in the mid-19th century. Its central theme is duality, which is depicted in the first paragraph of the novel: "It was the best of times, it was the worst of times, it was the age of wisdom, it…

Sre

4 min read

Value Proposition of Site-Reliability Engineering in a Tale of Two Cities
Value Proposition of Site-Reliability Engineering in a Tale of Two Cities
Sre

4 min read


Apr 19, 2021

Test Tetrahedron?

Ok, I have listened to Test Pyramid, indeed, there is plenty of content around this concept. Roughly, the test pyramid concept asserts that the first layer of test, Unit, is cheaper, faster, and has the desired confidence property [1,2,3]. As we climb the pyramid through Integrated and End2End (E2E) tests…

Test

10 min read

Test Tetrahedron?
Test Tetrahedron?
Test

10 min read


Nov 23, 2020

SRE and Observability: inside a Formula One lap for improvement

Let us start recalling the conclusion of the last conversation [1]. IT phenomena as cloud, “…-as-a-service”, and microservices, which carry on distributed computing, require reliability engineering since the complexity of systems continues to grow. …

Sre

6 min read

SRE and Observability: inside a Formula One lap for improvement
SRE and Observability: inside a Formula One lap for improvement
Sre

6 min read


Nov 18, 2020

Site Reliability Engineering (SRE) in the old-school kindergarten

Of course, you have heard about Site Reliability Engineering (SRE), an acronym introduced by Google. The aim of this text is to dissect the acronym using a seesaw (an old-school kindergarten toy) as a conceptual model. …

Microservices

6 min read

Site Reliability Engineering (SRE) in the old-school kindergarten
Site Reliability Engineering (SRE) in the old-school kindergarten
Microservices

6 min read


Aug 30, 2020

So, what is “architecture for agility”?

A didactical way to define a concept is starting by what it is not. Therefore, in Section 1, the focus is on what is not an “architecture for agility”. In Section 2, a case, inspired by a true story, is discussed to clarify what we would call an “architecture for…

Architecture

6 min read

So, what is “architecture for agility”?
So, what is “architecture for agility”?
Architecture

6 min read


Jun 23, 2020

Architecture for Agility or “Magic mirror on the wall, who is the fairest one of all?”

Once upon a time, a queen possessed a magic mirror, which she asked every morning, “Magic mirror on the wall, who is the fairest one of all?” The mirror always told the queen that she was the fairest. One day, when the queen asked her mirror, it told her that…

4 min read

Architecture for Agility or “Magic mirror on the wall, who is the fairest one of all?”
Architecture for Agility or “Magic mirror on the wall, who is the fairest one of all?”

4 min read


Feb 11, 2020

Microservice: Everyone Makes Mistakes — Part II

“Everyone makes mistakes. The wise are not people who never make mistakes, but those who forgive themselves and learn from their mistakes.” — Ajahn Brahm (theoretical physicist, author, and Buddhist monk) In this second part, we return to the endeavor of providing, perhaps, for wise people, a shortcut to “learn…

8 min read

8 min read

Alessandro Gerlinger Romero

Alessandro Gerlinger Romero

38 Followers

Help

Status

Writers

Blog

Careers

Privacy

Terms

About

Text to speech

Teams