5 Pros and Cons of Distributed Systems Architecture

5 Pros and Cons of Distributed Systems Architecture | Distributed Systems Explained | Distributed Computing

A distributed system is comprised of multiple components located across different machines that may or may not be part of a network. These machines converse with one another to synchronize and order any actions requested by the user. These actions are carried out in such a way as to appear to the user like they have been performed by a single, coherent system.

Microservices can also be an example of a distributed system. They run multiple copies of each component on separate machines – adding redundancies to the various layers so the failure of a single machine doesn’t end up with a loss of data or function.

Each component communicates with each other over a linked network, and not within a single mainframe process. The key takeaway here is that distributed systems are a collection of autonomous computing elements that come together to act as a whole, coherent system. Bear in mind that the machines that contain each component do not have to be in the same physical location, either.

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00:00 - Intro to distributed systems architecture
01:08 - What is a non-distributed system
02:50 - What is a distributed system
04:39 - Distributed systems pros
06:39 - Distributed systems cons
07:19 - The current trend with distributed systems architecture
*

Website: https://www.kofi-group.com/

Blog article version: https://www.kofi-group.com/distributed-systems-explained-in-10-minutes/

Remote jobs (including distributed systems jobs): https://www.kofi-group.com/search-jobs/

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#kofigroup #distributedsystems #microservices #softwarearchitecture

#microservices #distributed systems architecture

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5 Pros and Cons of Distributed Systems Architecture

5 Pros and Cons of Distributed Systems Architecture

5 Pros and Cons of Distributed Systems Architecture | Distributed Systems Explained | Distributed Computing

A distributed system is comprised of multiple components located across different machines that may or may not be part of a network. These machines converse with one another to synchronize and order any actions requested by the user. These actions are carried out in such a way as to appear to the user like they have been performed by a single, coherent system.

Microservices can also be an example of a distributed system. They run multiple copies of each component on separate machines – adding redundancies to the various layers so the failure of a single machine doesn’t end up with a loss of data or function.

Each component communicates with each other over a linked network, and not within a single mainframe process. The key takeaway here is that distributed systems are a collection of autonomous computing elements that come together to act as a whole, coherent system. Bear in mind that the machines that contain each component do not have to be in the same physical location, either.

SUBSCRIBE to Kofi Group:https://www.youtube.com/channel/UC1mBXiJnLtiDHMtpga0Ugaw?view_as=subscriber


00:00 - Intro to distributed systems architecture
01:08 - What is a non-distributed system
02:50 - What is a distributed system
04:39 - Distributed systems pros
06:39 - Distributed systems cons
07:19 - The current trend with distributed systems architecture
*

Website: https://www.kofi-group.com/

Blog article version: https://www.kofi-group.com/distributed-systems-explained-in-10-minutes/

Remote jobs (including distributed systems jobs): https://www.kofi-group.com/search-jobs/

Kofi Group helps startups outcompete FAANG (Facebook, Amazon, Apple, Netflix, Google) and big tech in the highly competitive, war for talent.

Our videos cover hiring tips and strategies for startups, software engineering and machine learning interview preparation, salary negotiation best practices, compensation analysis, computer science basics, artificial intelligence, tips for other recruiters, and much more!

Hit the SUBSCRIBE button and we’ll see you in the comments!

––––––––––––––––––––––––––––––
Skydive by Loxbeats https://soundcloud.com/loxbeats​
Creative Commons — Attribution 3.0 Unported — CC BY 3.0
Free Download / Stream: http://bit.ly/2uUKEmd​
Music promoted by Audio Library https://youtu.be/hpAp6GMSM30​
––––––––––––––––––––––––––––––

#kofigroup #distributedsystems #microservices #softwarearchitecture

#microservices #distributed systems architecture

Ruth  Nabimanya

Ruth Nabimanya

1620633584

System Databases in SQL Server

Introduction

In SSMS, we many of may noticed System Databases under the Database Folder. But how many of us knows its purpose?. In this article lets discuss about the System Databases in SQL Server.

System Database

Fig. 1 System Databases

There are five system databases, these databases are created while installing SQL Server.

  • Master
  • Model
  • MSDB
  • Tempdb
  • Resource
Master
  • This database contains all the System level Information in SQL Server. The Information in form of Meta data.
  • Because of this master database, we are able to access the SQL Server (On premise SQL Server)
Model
  • This database is used as a template for new databases.
  • Whenever a new database is created, initially a copy of model database is what created as new database.
MSDB
  • This database is where a service called SQL Server Agent stores its data.
  • SQL server Agent is in charge of automation, which includes entities such as jobs, schedules, and alerts.
TempDB
  • The Tempdb is where SQL Server stores temporary data such as work tables, sort space, row versioning information and etc.
  • User can create their own version of temporary tables and those are stored in Tempdb.
  • But this database is destroyed and recreated every time when we restart the instance of SQL Server.
Resource
  • The resource database is a hidden, read only database that holds the definitions of all system objects.
  • When we query system object in a database, they appear to reside in the sys schema of the local database, but in actually their definitions reside in the resource db.

#sql server #master system database #model system database #msdb system database #sql server system databases #ssms #system database #system databases in sql server #tempdb system database

Einar  Hintz

Einar Hintz

1594631472

Pros and Cons of Ionic Development

Entrepreneurs around the world want a top-notch mobile application for their business in both Android and iOS platforms. Most of them get stuck mid-way where they struggle to pick the best technology suitable for their business. From questions such as native mobile development or cross-platform development? Flutter or Ionic or React Native?. Each technology and development approach has its own Pros and Cons from which you will need to choose the right one for your business. If you think Ionic is the right cross-platform application development, here are a few pros and cons of Ionic development. 

What is Ionic Framework?

Being an open-source SDK for building Hybrid mobile applications in both Android and iOS platforms, Ionic is the best choice for building top of the line mobile applications. This Ionic framework is completely based on Apache Cordova and Angular. More precisely, Ionic is an npm module that requires the installation of Node JS to function.

One can build a full functioning mobile application in both platforms using their Javascript, HTML, and CSS knowledge without requiring the basics of Kotlin or Java. More than 5 Million mobile applications are built using this Ionic framework by leveraging its platform-specific UI elements, innumerable libraries, and more exciting features.

The applications that are built using the Ionic framework are cross-platform, web-based, and have access to native device’s APIs.

Ionic Applications are

  • Cross-platform – Single code base for both platforms (except native components)
  • Web-based – Built using web-views and can be displayed in a browser like PWAs.
  • Access to native API components – They can access native device’s camera, files, and others.

Advantages of Ionic Development

Quick Development and Time To Market

For entrepreneurs and business owners, ionic development can be beneficial if they want to develop a mobile application in both platforms in a short period of time while comparing to native applications. Building native applications specifically for each platform can be time-consuming which can imply a delay in time to market and development cost of native applications are generally expensive.

#mobile app development #ionic 4 advantages #ionic 4 best practices #ionic 5 #ionic appflow #ionic capacitor pros and cons #ionic vs react native #react native pros and cons #what is ionic app development

Lindsey  Koepp

Lindsey Koepp

1597689240

Resilience in Deep Systems

When using microservices architecture to build a successful product, a product that needs to rapidly grow, sooner or later, you realize that your system becomes “deep.”

The depth of a system can be considered as the number of microservices layers in the application stack.

Today’s forefront cloud technologies, such as Service Mesh, Containers, and Serverless computing, enable teams to easily add many microservices layers to their system.

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A microservice within such a system is not actually independent - it relies on other microservices and vice versa.

When microservices communication grows deep, it complicates the company’s ability to quickly diagnose errors or performance bottlenecks.

Therefore, deep systems are a serious challenge for R&D teams who want to sustain resilience, fault-tolerance, and performance.

Without the right mindset and the right tooling, the product and it’s customers will be jeopardized.

It’s possible to build complex systems, with deep chains of microservices, without compromising on resilience.

Here are 3 ingredients that can help you nourish resilience in deep systems.

1. Service granularity

Don’t go with the hype; correspond to a real business capability.

When designing complex applications using microservice architecture, we’re looking to define a set of cohesive and loosely-coupled services. One of the biggest questions in that regard is, how will we break down our application into microservices?

Because microservices architecture essentially follows the Unix philosophy of “Do one thing and do it well,” you could simply say that each atomic function should be a microservice (i.e. the hype). While in theory it sounds perfect, simply following that philosophy can create an enormous amount of microservices. Are you going to be successful in maintaining that many services effectively?

I’m going to provision the “integer” service in us-west-1

Said once a hyped developer

In reality, we found that defining microservices that correspond to a real business capability will result in a sane amount of self-contained pieces of business functionality. Those pieces can still be very cohesive, loosely coupled, scale well, be testable, built, and owned by a small enough team. All of which are the pillars of microservices.

Moreover, it’s a common practice to avoid code duplications in multiple microservices by creating a shared library, i.e. DRY (Don’t Repeat Yourself). DRY is an important concept. Yet, sometimes too hyped. In reality, we found that sometimes shared libraries couple our microservices to each other, reducing the effectiveness of the isolation and independence between the microservices. It also slows down teams from making changes, since they are not always fully aware of the usage patterns of other teams. In fact, balancing microservices granularity goes hand in hand with balancing the right amount of shared libraries. Both shared libraries and code duplication are a burden in hyper-granular microservices architecture. But when keeping a balanced microservice granularity, the price of code duplication can pay off as increased independence.

#distributed tracing #distributed systems #microservices #complex systems #architecture & design #development #article

Maddy Bris

Maddy Bris

1599132316

5Kw Solar System in Brisbane

1 August 2020, Sunny Sky solarannounced you to launch a residential solar power system in Queensland, Australia. There are different sizes of houses with different energy requirements so one solar power system cannot fulfill every type of electricity need.

Whether energy need is low or higher they have announced a wide range of solar power system in Brisbane that includes 5KW solar panel system, 6Kw solar panel system, 10Kw solar panel system, and many more so that everyone can enjoy the benefits of solar energy.

Residential Solar Power System needs to be flexible because of the changing requirement of energy. As we know our energy needs hikes up in the summers more than winters because we use air conditioners, refrigerators (also used in winters but less than summers), fans. In winter we drop down these usages so the energy needs to go up and down according to the weather changing.

Some households have a high energy need, some have low, and mostly have the normal or average of high and low. Sunny Sky Solar offers expert’s advice to all the customers on call or personally because it is important to analyze the energy need, budget, location, and many other things before buying a solar power system for your home sweet home.

Their professionals analyze all these things and suggest you the best residential solar power system in Brisbane to reduce the energy costs and clean the environment as solar energy is green & clean energy.

At this time of announcing the residential solar panel system, the representative of Sunny Sky Solar has talked about some advantages of a residential solar power system. He said “get update yourself by the time is important because the latest technology will save you lots of money and time. The solar power system is the best technology in this era that can give you lots of benefits. Don’t get upset with the initial cost because after installing a solar power system at your house it will repay you the initial cost in two to three years. So, you are going to invest in a great deal if you are purchasing a solar panel system in Brisbane.”

He also added “Residential solar power system can save your pocket from getting loose every month for heavy electricity bills. You will earn money by producing solar energy and feeding your power supply grid as government, and mostly all the power suppliers give benefits to producing solar energy. You can easily earn money by feeding the power grid with your excess produced solar energy. You will use solar energy and save the excess by feeding the power grid this way.”

Sunny Sky Solar offering an efficient range of residential and commercial solar power system that includes 5KW solar panel system, 6.6Kw solar panel system, 10Kw solar panel system, and there are many more that you can select according to your energy needs and budget.
They provide expert assistance that will help you in choosing the best solar system for your house. Their experienced professionals work under the guidance of experts who ensures the perfections and safety at the time of installing and after the installation.

Installing a solar power system at your place will be more convenient with them because they work under the expert’s supervision that makes them perfect and faster. They ensure safety first at the time of installing because at that time family members are around the installing site and accidents can happen.

They also ensure the quality of products they used in installing and other solar products. If the products will be durable and efficient, the system will produce more electricity with higher efficiency for a longer period.
The main thing that matters while installing a solar power system at a residence is the roof situation, Sunny Sky Solar doesn’t work for doing business only. They first check the place or analyze from your information that your location is safe for installing a solar power system or not. If the find any problem they will suggest repairing it first because if you will put the solar power system at a less secure place and the solar system’s weight can damage it then repairing that place first should your main priority.
This shows their loyalty and caring behavior towards the customers.

#solar panel system #solar panel system in brisbane #5kw solar panel system #5kw solar panel system #10kw solar panel system #10kw solar panel system in brisbane