Manual message acknowledgment in Apache Kafka

Before we continue with this article make sure to read my previous article ‘Async REST services with messaging’ Since I will only cover manual message acknowledgment and its components. Ok, so let’s…

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Are You a Hedgehog or a Fox?

In his 1953 essay The Hedgehog & the Fox, the philosopher Isaiah Berlin observed that …

“The Fox knows many things, But the Hedgehog knows but one.”

Borrowing the line from the Greek poet Archilochus, Berlin was writing about the way we interact with the world. Where the Fox seizes upon a variety of experiences, the Hedgehog is driven by a singular vision and intent.

Neither approach is correct nor incorrect. What matters most is deciding which vision serves us best, when applied to our particular circumstances at a particular point in time.

The Age of Hyperspecialization

The most famous example was the PIN FACTORY where Smith observed that the process of dividing pin making into 18 discrete actions would result in a dramatic increase in productivity. Much of the prosperity our world now enjoys comes from the productivity gains achieved by this type of division.

Just like the craft workers of the past, many knowledge workers engage in peripheral, often repetitive activities that can be done either better or more cheaply by others.

According to the article, quality improves when more of the work that goes into a final product is done by people with narrow expertise.

The improvement is even greater when the people who specializes in a particular area of a project compete with one another to get it.

Welcome to the “Open Innovation Marketplace”

The Harvard Business Review applauds this process as an “Open Innovation Marketplace,” an unencumbered network of freelancers, contract workers and specialists. Or to frame it in Isaiah Berlin’s terms: an army of Hedgehogs continually selling their singular expertise.

And it works.

By hyper-specializing labor, companies are able to lower costs and improve quality as they bring their products to market faster and more efficiently.

But what about the workers?

Suddenly You’re Competing on Cost

Freelancers are also on a treadmill. As soon as one job ends, they have to start searching for another. Success on a previous project is no guarantee that you’ll be chosen for the next.

An Inability to Adapt to a Change

But perhaps the greatest peril a specialist faces is the one endemic to every Hedgehog: the inability to adapt to a changing world.

If hunted by a common predator like a dog, a Hedgehog’s singular skill of rolling up in a ball will be successful. But if the environment changes and a new predator comes along that is not deterred by the sting of its quills, the Hedgehog will almost always fail.

But not the Fox

Unlike the Hedgehog, the Fox has imbued itself with a variety of skills making it better able to adapt to a changing world. Rather than specialize in one thing …

the Fox is a generalist with a wide and ever-expanding base of knowledge.

A Fox is also committed to continuous learning, not simply in one discipline but across a wide range of subjects. Not content with its current experience, a Fox will go outside its own industry searching for best practices that are applicable to a variety of challenges.

In times of economic shifts brought about by new technologies, it’s usually better to be a Fox. Hedgehogs find it hard to adapt to a changing world whereas a Fox is not only prepared but eager for change, seeing it not as a threat but an opportunity.

What makes one person a Hedgehog and another a Fox?

The answer lies not in how many skills a person acquires but rather the type of skills.

Hedgehogs usually specialize in hard skills. Rather than range wide they burrow deep into a particular discipline, mastering not only the fundamentals but the intricacies.

A Fox, on the other hand, seeks mastery of the softer skills.

Though they rarely show up on job descriptions, a variety of studies show that soft skills are highly valued by employers:

All are attributes that enable the Fox to more easily adapt to evolving roles and job descriptions.

Are they attributes that you possess?

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