Scalegrid

FEBRUARY 8, 2024

A distributed storage system is foundational in today’s data-driven landscape, ensuring data spread over multiple servers is reliable, accessible, and manageable. This guide delves into how these systems work, the challenges they solve, and their essential role in businesses and technology.

Storage 130

Storage Systems Big Data Azure 130

Percona

APRIL 17, 2023

In this blog post, we will discuss the best practices on the MongoDB ecosystem applied at the Operating System (OS) and MongoDB levels. We’ll also go over some best practices for MongoDB security as well as MongoDB data modeling. These “ulimits” prevent single users from using too many system resources.

Best Practices 52

Best Practices Design Tuning Database 52

The Morning Paper

APRIL 4, 2019

Ginseng: keeping secrets in registers when you distrust the operating system Yun & Zhong et al., Suppose you did go to the extreme length of establishing an unconditional root of trust for your system, even then, unless every subsequent piece of code you load is also fully trusted (e.g., NDSS’19.

Operating System 43

Operating System Systems Wireless Transportation 43

Dynatrace

AUGUST 5, 2022

A message queue is a form of middleware used in software development to enable communications between services, programs, and dissimilar components, such as operating systems and communication protocols. A message queue enables the smooth flow of information to make complex systems work. What is a message queue?

Monitoring 188

Monitoring Serverless Programming Speed 188

Dynatrace

AUGUST 5, 2022

A message queue is a form of middleware used in software development to enable communications between services, programs, and dissimilar components, such as operating systems and communication protocols. A message queue enables the smooth flow of information to make complex systems work. What is a message queue?

Monitoring 188

Monitoring Serverless Programming Speed 188

Dynatrace

NOVEMBER 23, 2020

Nevertheless, there are related components and processes, for example, virtualization infrastructure and storage systems (see image below), that can lead to problems in your Kubernetes infrastructure. During the adoption-phase, some assumptions about the operating conditions were made, and the application deployment is aligned to them.

Virtualization 158

Virtualization Infrastructure Monitoring Cloud 158

Dynatrace

SEPTEMBER 23, 2021

Unfortunately, container security is much more difficult to achieve than security for more traditional compute platforms, such as virtual machines or bare metal hosts. To function effectively, containers need to be able to communicate with each other and with network services. Network scanners. Harden the host operating system.

Open Source 239

Open Source Benchmarking Best Practices Network 239

Dynatrace

AUGUST 24, 2020

To make this possible, the application code should be instrumented with telemetry data for deep insights , includin g: . Metrics to find out how the behavior of a system has changed over time . Logs represent event data in plain-text, structured or binary format . Dynatrace VMware and virtualization documentation .

Analytics 134

Analytics Infrastructure AWS Operating System 134

Dynatrace

MAY 31, 2021

Kubernetes (aka K8s) is an open-source platform used to run and manage containerized applications and services on clusters of physical or virtual machines across on-premises, public, private, and hybrid clouds. This virtualization makes it possible to efficiently deploy and securely run a container independently of the hosting infrastructure.

Virtualization 132

Virtualization DevOps Infrastructure Cloud 132

HammerDB

APRIL 19, 2023

Regardless of whether the computing platform to be evaluated is on-prem, containerized, virtualized, or in the cloud, it is crucial to consider several essential factors. Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. Operating System: Ubuntu 22.04

Performance 54

Performance Benchmarking Cache Storage 54

Official Blog - World Web Technology

NOVEMBER 24, 2023

Unidirectional Data Flow ReactJS implements a data flow that is unidirectional. It means that the application data streams in one direction. The unidirectional data flow is all about making professionals understand how this data changes. Virtual DOM It means Document Object Model. Cross-Platform Node.js

Development 52

Development Virtualization Open Source Architecture 52

Smashing Magazine

OCTOBER 31, 2023

Still, there’s nothing in there to tell us about the data Lighthouse is using to evaluate metrics. Different tools make different assumptions using different data , whether we are talking about Lighthouse, PageSpeed Insights, or commercial services like DebugBear. That’s what this article is about. But it comes with caveats.

Speed 99

Speed Google Website Metrics 99

Dynatrace

JUNE 1, 2021

Application performance monitoring (APM) is the practice of tracking key software application performance metrics using monitoring software and telemetry data. Practitioners use APM to ensure system availability, optimize service performance and response times, and improve user experiences. Dynatrace news. What does APM stand for?

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

Adrian Cockcroft

FEBRUARY 9, 2023

The next layer is operating system platforms, what flavor of Linux, what version of Windows etc. The virtualization and networking platform could be datacenter based, with something like VMware, or cloud based using one of the cloud providers such as AWS EC2. Each of those organizations had their own platform team.

Engineering 137

Engineering Serverless Lambda AWS 137

HammerDB

FEBRUARY 25, 2021

This helps to minimise locking allowing multiple sessions to access the same data at the same time. On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute. To benchmark a database we introduce the concept of a Virtual User. The Python GIL.

Programming 67

Programming Benchmarking Virtualization C++ 67

All Things Distributed

DECEMBER 18, 2012

Bar-Yam, Journal of Systems Science and Complexity. May 28 - Virtual Time and Global States of Distributed Systems , Friedemann Mattern, Parallel and Distributed Algorithms, North-Holland (1989) , p. Jul - 13 Hints for Computer Systems Design Proceedings of the Ninth ACM Symposium on Operating Systems Principles, pp.

Operating System 144

Operating System Cache AWS Scalability 144

Dynatrace

NOVEMBER 4, 2019

In fact, once containerized, many of these services and the source code itself is virtually invisible in a standalone Kubernetes environment. Logs: A log file tells you about an event that has already happened; it is a record of events from software and operating systems. Automatic configuration of application network.

Monitoring 212

Monitoring Cloud Metrics Code 212

Dotcom-Montior

NOVEMBER 24, 2021

There was a time when standing up a website or application was simple and straightforward and not the complex networks they are today. Web developers or administrators did not have to worry or even consider the complexity of distributed systems of today. Great, your system was ready to be deployed. Do you have a database?

Systems 74

Systems Monitoring Hardware Network 74

Adrian Cockcroft

APRIL 5, 2023

by Adrian Cockcroft Three windows lined up to let the light in through a door in the Madrassa, Marrakech — Picture by Adrian The existing approaches to carbon measurement provide delayed data for carbon accounting that is more akin to billing information in the way it is structured and queried.

Energy 52

Energy Metrics Cloud Operating System 52

Testsigma

NOVEMBER 11, 2020

Network Disconnections. Network disconnection is a common automation challenge that a QA team faces wherein they find it hard to access databases, VPN, third party services, APIs, specific testing environments, etc. due to unstable network connections. Testing Against Wrong Data. Upfront Investment.

Testing 85

Testing Mobile Network Analytics 85

The Morning Paper

DECEMBER 8, 2019

Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. The beauty of persistent memory is that we can use memory layouts for persistent data (with some considerations for volatile caches etc.

Hardware 56

Hardware Programming Media Storage 56

O'Reilly

NOVEMBER 21, 2019

It enlists software “robots” to automate the rote, repetitive, or tedious tasks that bridge virtual gaps, or facilitate virtual transfers or exchanges, in and between common business processes. software robots are able to interpret inputs, events, and gestures, and trigger responses and communicate with other systems—just as humans do.

Processing 84

Processing Programming Virtualization Technology 84

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. This testing is crucial to ensure standard usage and performance of your app on various devices, operating systems, hardware, browsers, and their different versions. You’d be thinking of a no right?

Mobile 82

Mobile Testing Hardware C++ 82

Dynatrace

NOVEMBER 4, 2019

In fact, once containerized, many of these services and the source code itself is virtually invisible in a standalone Kubernetes environment. Logs: A log file tells you about an event that has already happened; it is a record of events from software and operating systems. Automatic configuration of application network.

Monitoring 100

Monitoring Cloud Metrics Code 100

Testsigma

FEBRUARY 5, 2021

Facebook’s mobile device testing lab at the Prineville Data Centre is equipped with Android and iOS devices that test Facebook applications and Instagram. These devices ran on a diverse range of OS versions, screen resolutions, and network types. Today’s customers expect the highest standards of user experience. Key Considerations.

Mobile 52

Mobile Testing Hardware DevOps 52

O'Reilly

DECEMBER 2, 2019

The specifications are impressive: 5G will provide a peak data rate of up to 20 Gbps (with 100 Mbps of “ user experienced data rate ”) to mobile devices: cell phones, smart cars, and a lot of devices that haven’t been invented yet. High-speed networks through 5G may represent the next generation of cord cutting. I don’t, do you?

Wireless 53

Wireless Serverless IoT Artificial Intelligence 53

Adrian Cockcroft

NOVEMBER 18, 2019

AWS Developer Relations on how the shift from Robot Operating System (ROS) 1 to ROS 2 will change the landscape for all robot lovers. Leigh Capili (DevAdv) demos how to launch apps from Git using Kubernetes orchestration, Ignite virtualization, and GitOps management.

Open Source 40

Open Source AWS Lambda Serverless 40

Adrian Cockcroft

NOVEMBER 18, 2019

AWS Developer Relations on how the shift from Robot Operating System (ROS) 1 to ROS 2 will change the landscape for all robot lovers. Leigh Capili (DevAdv) demos how to launch apps from Git using Kubernetes orchestration, Ignite virtualization, and GitOps management.

Open Source 40

Open Source AWS Lambda Serverless 40

Enprowess

JANUARY 11, 2022

Web apps allow you to break the traditional constraints of the desktop and mobile operating systems and provide freedom to experiment with different varieties of software. Analysing data from NPM trends as well as the state of js 2020 , it is evident that JavaScript based front end frameworks are on the rise.

Virtualization 64

Virtualization Website Speed Mobile 64

Testsigma

MAY 5, 2021

Plus, there are multiple versions of operating systems and screen resolutions that our users browse content on. . Plus, it’s a cloud-based testing platform that supports testing on both real devices and virtual devices. with Safari at 8.87%. Picture Credit: Kinsta. According to Sweor , users take only 0.05 Highlights.

Testing Tools 74

Testing Tools Testing Internet Internet 74

Dotcom-Montior

NOVEMBER 27, 2018

Today’s applications are built on multiple technologies, relying on vast networks of third-party providers and CDN’s. Additionally, end users can access your site or applications from anywhere in the world using different browsers, operating systems, and mobile devices, all with varying connection speeds.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

HammerDB

NOVEMBER 30, 2018

It is of note that we have not discussed the operating system yet, that is because the source code and the code included with the pre-packaged versions is identical whether it is running on Linux or Windows on x86-64 architecture (or any other platform). Virtual Users. The GUI or command line interface is then started.

Architecture 40

Architecture Virtualization Open Source C++ 40

Particular Software

JULY 18, 2017

These days, I work mostly with distributed systems, which are typically made up of a larger number of processes running on many different machines. Some of your processes may run on physical machines while others run on virtual machines. Once you do scale out, your data collection also scales.

Systems 56

Systems Monitoring Website Virtualization 56

Abhishek Tiwari

SEPTEMBER 10, 2017

As we are dealing with Docker images, I assume you have downloaded and installed Docker for your operating system. You will require VirtualBox (or a similar VM driver such as xhyve driver or VMware Fusion depending on your operating system) which enables Minikube to run a single-node Kubernetes cluster inside a VM.

Development 49

Development Operating System Virtualization Code 49

Adrian Cockcroft

JUNE 21, 2022

The early days at Sun Cambridge were special, I absorbed a lot about networking and the technical side of the role from my fellow systems engineer Martin Baines, and we were driving all over the region in cool company cars (I had a Citroen BX 16V) selling a really hot product. He had it up and running on Wednesday.

Tuning 52

Tuning Benchmarking Engineering C++ 52

The Morning Paper

APRIL 14, 2019

Microarchitectural state of interest includes data and instruction caches, TLBs, branch predictors, instruction- and data-prefetcher state machines, and DRAM row buffers. There are also stateless interconnects including buses and on-chip networks. The code and data of the kernel itself can also be used as a timing channel.

Hardware 44

Hardware Cache Latency Speed 44

ScaleOut Software

MAY 15, 2014

We have spent a great deal of time at ScaleOut Software re-architecting our in-memory data grid (IMDG)’s code base to make best use of many cores and large memory. Also, load-balancing after membership changes must be both multi-threaded and pipelined to drive the network at maximum bandwidth. Please retry later.

Cache 40

Cache Servers Network Design 40