What are Design & Anti-Patterns in Microservices (2023)

FAQs

What are Design & Anti-Patterns in Microservices? ›

What are Microservices Anti-Patterns? The difference between Design Patterns and Anti-Patterns is that, while the former relates to repeating solutions to issues often found in software programs, the latter implies recurring programming practices that cause problems rather than solve them.

A common anti-pattern in microservices is thinking that microservices deal with just code and nothing else. This anti-pattern might crop up when the microservice inherits code from a larger project but has now been spun off into its own project.

Anti-patterns are certain patterns in software development that are considered bad programming practices. As opposed to design patterns which are common approaches to common problems which have been formalized and are generally considered a good development practice, anti-patterns are the opposite and are undesirable.

An anti-pattern is the opposite side of the design pattern. You can also call it design smell which is caused by bad software design. They are usually ineffective or obscure fixes. The existence of an anti-pattern in your code can create a lot of bugs and you may have to fix it later properly.

Scrum Anti Patterns are behaviors that the team members exhibit that would drain the resources from the Scrum Team in the long run. Keeping an eye out for such behaviors in the Scrum Team would enhance the productivity and performance of Developers.

Classification of Design Patterns. Design Patterns are categorized mainly into three categories: Creational Design Pattern, Structural Design Pattern, and Behavioral Design Pattern.

Some consider the Singleton pattern an anti-pattern because it can lead to tightly coupled code that is difficult to maintain. The Singleton pattern is a design pattern that restricts the instantiation of a class to one object, ensuring that all code that needs to access that object uses the same instance.

UX Anti-patterns are a common design problem where work from another project or area is applied towards a current project, but something goes wrong in the new application.

What are the 4 pillars of microservices? ›

These pillars are Process, People, Platform and Practice.

A 3 tier architecture is a type of software architecture that is composed of three “tiers” or layers: the presentation tier (user interface), the application tier (business logic and data access), and the data tier (storage and databases).

The 3 C's of microservices are componentize, collaborate, and connect.

For this, Scrum Masters adopt a number of stances, depending on the situation they find themselves in: teacher, impediment remover, coach, mentor, facilitator, and change agent.

Nevertheless, some Product Owner anti-patterns during the Daily Scrum may be as follows: Planning meeting: The PO hijacks the Daily Scrum to discuss new requirements, refine new work items, or have a micro (Sprint) planning meeting. The talkative PO: The Product Owner actively participates in the Daily Scrum.

The anti-pattern

A very common anti-pattern in PI Planning is when teams focus on one iteration at a time, attempting to create a solid plan for iteration one, followed by a deep dive in iteration two, and so on. This is dangerous because we're not seeing the big picture of the whole PI.

The solution is to focus on the evolution and training of the Product Owner and the Scrum Master so they fully understand their roles and how to function. This doesn't just mean understanding the rules of Scrum, but also functioning in a more evolved way – a way that develops the people around them.

Conclusion. There are many ways in which a retrospective can be a failure even if it looks suitable at first glance. The top three Sprint Retrospective anti-patterns from my perspective are: not making the retrospective a safe place, unequally distributed speaking time, and a ritualized format that never changes.

Object Oriented Programming is itself a design pattern.

Is MVC is a design pattern? ›

MVC is abbreviated as Model View Controller is a design pattern created for developing applications specifically web applications.

An anti-pattern is a pattern that you use to fix a short-term problem at the expense of your long-term goals. The insidious thing about anti-patterns isn't that they don't work or fail outright, but that they work in the short term while causing long-term failure and pain.

In contrast to patterns, an anti-pattern (sometimes also written 'antipattern') presents a solution that is proven not to work for solving a particular problem. A dark pattern describes a design solution intended to trick or otherwise deceive the user.

What are the 7 elements of design? The 7 elements of design consider space, line, form, light, color, texture and pattern. A balance of these elements is vital to every scheme.

Design patterns provide a standard terminology and are specific to particular scenario. For example, a singleton design pattern signifies use of single object so all developers familiar with single design pattern will make use of single object and they can tell each other that program is following a singleton pattern.

Design patterns are smaller architectural elements than frameworks. A typical framework contains several design patterns, but the reverse is never true. Design patterns are less specialized than frameworks. Frameworks always have a particular application domain.

Start with the six principles of design: balance, pattern, rhythm, emphasis, contrast, and unity. Just as instructional design models and methodologies shape your training strategy, so should these principles shape your basic visual strategy. By applying them, you can create high-impact visuals.

What are the design patterns used in spring boot? ›

In this tutorial, we'll look at four of the most common design patterns used in the Spring Framework: Singleton pattern. Factory Method pattern. Proxy pattern.

In software, anti-pattern is a term that describes how NOT to solve recurring problems in your code. Anti-patterns are considered bad software design, and are usually ineffective or obscure fixes. They generally also add "technical debt" - which is code you have to come back and fix properly later.

Serialization is used to convert an object of a byte stream and save in a file or send it over a network. Suppose you serialize an object of a singleton class. Then if you de-serialize that object it will create a new instance and hence break the singleton pattern.

The most well-known anti-pattern is the spaghetti code. There is little to no structure in the code. A programme or system with spaghetti code appears to have very little software structure.

In software engineering, an anti-pattern is a pattern that may be commonly used but is ineffective and/or counterproductive in practice. The term was coined in 1995 by Andrew Koenig, inspired by Gang of Four's book Design Patterns, which developed the concept of design patterns in the software field.

To summarize:

UX design is all about identifying and solving user problems; UI design is all about creating intuitive, aesthetically-pleasing, interactive interfaces. UX design usually comes first in the product development process, followed by UI.

UI design involves the look of a product — namely, the visual components and interactive elements that contribute to a strong user experience. Meanwhile, UX design focuses on the overarching feel of the product or service and the components that will lead to a meaningful, relevant experience for users.

Broadly speaking, there are two types of microservices: Stateless microservices. Stateful microservices.

What is the 4 tier architecture of microservices? ›

You'll see how a microservice application is typically designed to have four tiers — platform, service, boundary, and client — and you'll learn what they are and how they combine to deliver customer-facing applications.

Pattern Topologies

While there are literally dozens of ways to implement a microservices architecture pattern, three main topologies stand out as the most common and popular: the API REST-based topology, application REST-based topology, and the centralized messaging topology.

What Does CRUD Mean? Working with a database necessitates the transformation of raw data into useful information before gaining insights. This implies that numerous actions, such as reading, creating, updating, or deleting data bits, are required. Those operations are referred to as CRUD operations.

Simple Microservices Example

Consider a three-tier app that has a front end, a middle app tier, and a database. Traditionally, this app might be deployed in three different virtual machines.

The Saga design pattern is a way to manage data consistency across microservices in distributed transaction scenarios. A saga is a sequence of transactions that updates each service and publishes a message or event to trigger the next transaction step.

The anti-pattern

A very common anti-pattern in PI Planning is when teams focus on one iteration at a time, attempting to create a solid plan for iteration one, followed by a deep dive in iteration two, and so on. This is dangerous because we're not seeing the big picture of the whole PI.

Answer: Aggregator. API Gateway. Chained or Chain of Responsibility.

But in order to make good observations, there are three things necessary: transparency, inspection, and adaptation. We call these the three Pillars of Scrum.

There are five main microservices architecture design patterns, but these can then be split into many more subgroups. All of them come under two main types of microservices patterns: client-side and server-side.

What are the 4 fundamental properties of microservices architecture? ›

Key takeaways. There are six main characteristics of microservices architecture- multiple components, business approach, simple routing, decentralized, failure resistant, and evolutionary.

In contrast to patterns, an anti-pattern (sometimes also written 'antipattern') presents a solution that is proven not to work for solving a particular problem. A dark pattern describes a design solution intended to trick or otherwise deceive the user.

The anti-pattern is often seen when designers have explored new ways of doing things that are then forced upon simple problems. An example is use of drag-and-drop techniques for simple attribute setting.

One result of these efforts can be the more rapid, continual release of necessary feature changes or additions. Some people group DevOps goals into four categories: culture, automation, measurement, and sharing (CAMS), and DevOps tools can aid in these areas.

The Three Stage Conversation – People, Process, Products

DevOps is the correlation of people, process, and products to enable continuous delivery of value to end users.