SQL Performance

DECEMBER 17, 2019

You will still have to maintain your operating system, SQL Server and databases just like you would in an on-premises scenario. One important choice you will still have to make is what type and size of Azure virtual machine you want to use for your existing SQL Server workload. Azure VM Types and Series. Conclusion.

Azure 72

Azure Virtualization Servers Storage 72

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. Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100.

Best Practices 52

Best Practices Design Tuning Database 52

Sutter's Mill

FEBRUARY 22, 2021

Our virtual 2021 We continue to have the same priorities and the same schedule we originally adopted for C++23. However, since the pandemic began, WG21 and its subgroups have had to meet all-virtually via Zoom, and we are not going to try to have a face-to-face meeting in 2021 (see What’s Next below).

C++ 73

C++ Virtualization Lambda Government 73

Dynatrace

AUGUST 24, 2020

To make this possible, the application code should be instrumented with telemetry data for deep insights, including: Metrics to find out how the behavior of a system has changed over time. Traces help find the flow of a request through a distributed system. Dynatrace VMware and virtualization documentation .

Analytics 246

Analytics Infrastructure AWS Operating System 246

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. As a platform operator, you want to identify problems quickly and learn from them to prevent future outages.

Virtualization 162

Virtualization Infrastructure Monitoring Cloud 162

Dynatrace

MAY 31, 2021

Although Kubernetes simplifies application development while increasing resource utilization, it is a complex system that presents its own challenges. Containers and microservices: A revolution in the architecture of distributed systems. How do you make this system resilient and fault-tolerant? What is Kubernetes?

Virtualization 133

Virtualization DevOps Infrastructure Cloud 133

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. However, to be secure, containers must be properly isolated from each other and from the host system itself. Harden the host operating system.

Open Source 255

Open Source Benchmarking Best Practices Network 255

Testlodge

APRIL 14, 2021

A software tester’s work life includes making sure that systems that have been designed to achieve specific results behave exactly as they should. These systems are a combination of different hardware and software which have been configured to perform the desired task. What is Configuration Testing? An Example.

Testing 89

Testing Hardware Virtualization Operating System 89

Dynatrace

AUGUST 24, 2020

Metrics to find out how the behavior of a system has changed over time . Traces help find the flow of a request through a distributed system . To provide actionable answers monitoring systems store, baseline, and analyze telemetry data. Dynatrace VMware and virtualization documentation .

Analytics 135

Analytics Infrastructure AWS Operating System 135

Dynatrace

APRIL 26, 2022

EM gives visibility into the user device and performance from the endpoint to provide information on CPU, memory, operating systems, storage, security, networks, and whether software is up to date. PC, smartphone, server) or virtual (virtual machines, cloud gateways). Endpoints can be physical (i.e.,

Monitoring 209

Monitoring Social Media IoT Metrics 209

Percona

OCTOBER 3, 2023

Transparent Huge Pages (THP) is a memory management feature in Linux operating systems that aims to enhance system performance. By default, the majority of widely used Linux distributions employ a virtual memory page size of 4KB. The concept of HugePages in Linux has existed for many years, first introduced in 2007.

Database 85

Database Servers Open Source C++ 85

Particular Software

JULY 18, 2017

I remember the first time I deployed a system into production. Once the system was deployed, I wanted to see if everything was working properly, so I ran through a simple checklist: Is my database up? (Yes/No) Yes/No) If the answers to these questions were all yes, then the system was working correctly.

Systems 56

Systems Monitoring Website Virtualization 56

The Morning Paper

DECEMBER 10, 2019

This is a companion paper to the " persistent problem " piece that we looked at earlier this week, going a little deeper into the object pointer representation choices and the mapping of a virtual object space into physical address spaces. " Epheremal virtual addresses don’t cut it as the basis for persistent pointers.

Hardware 52

Hardware Virtualization Operating System Programming 52

HammerDB

FEBRUARY 25, 2021

On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute. As we have seen databases are designed to handle multiple database sessions at the same time. To benchmark a database we introduce the concept of a Virtual User. Basic Benchmarking Concepts.

Programming 67

Programming Benchmarking Virtualization C++ 67

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. Stand-alone observability won’t cut it.

Monitoring 219

Monitoring Cloud Metrics Code 219

Official Blog - World Web Technology

NOVEMBER 24, 2023

You can say that the app development system is the backbone of your app – it can make or break it. Virtual DOM It means Document Object Model. ReactJS utilizes virtual DOM to improve the updating efficiency of actual DOM. ReactJS generates a virtual document object model instead of manipulating changes directly.

Development 52

Development Virtualization Open Source Architecture 52

ACM Sigarch

OCTOBER 25, 2019

This article examines the history of architectural support, summarizes research philosophies, and delves into possible reasons for relatively little support for software security in current systems. Attestation—Providing systems the means to attest or verify the integrity of their components.

Hardware 98

Hardware Virtualization Architecture Games 98

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

Adrian Cockcroft

JANUARY 17, 2022

The need for systems to be resilient is still increasing, and chaos engineering tools and techniques are developing as a key way to validate that resilience is working as designed. If you are building resilient systems with failover, the control plane that manages failover is often the hardest part of the system to get right.

Serverless 98

Serverless Hardware AWS Architecture 98

HammerDB

JUNE 27, 2022

HammerDB has graphical and command line interfaces for the Windows and Linux operating systems. Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking. The workload also outputted the data from the Virtual Users by simulating individual terminals.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

All Things Distributed

DECEMBER 18, 2012

Werner Vogels weblog on building scalable and robust distributed systems. I am pretty sure some if not all of these papers deserved to be elected to the hall of fame of best papers in distributed systems. Feb 11 - A Survey of Rollback-Recovery Protocols in Message-Passing Systems , E. All Things Distributed. Comments ().

Operating System 144

Operating System Cache AWS Scalability 144

O'Reilly

NOVEMBER 21, 2019

In a classic 1983 paper , cognitive psychologist Lisanne Bainbridge drew attention to a curious irony: so-called “automated” systems were, in practice, usually attended by one or more human operators. The more advanced the system, she observed, “the more crucial…the contribution of the human operator.” RPA explained.

Processing 83

Processing Programming Virtualization Technology 83

Percona

NOVEMBER 2, 2023

Before proceeding, it is important to remind you of Peter’s warning from his article, which applies here as well: “The following instructions are designed to get a test instance running quickly and easily; you do not want to use these for production deployments.”

Database 69

Database Open Source Scalability Virtualization 69

Percona

JUNE 20, 2023

In order to overcome these issues, the concept of paging and segmentation was introduced, where physical address space and virtual address space were designed. Paging This was designed to allow non-contiguous space allocation to processes. Having said that, it frequently revisits database systems due to a variety of reasons.

Programming 81

Programming C++ Database Virtualization 81

The Morning Paper

DECEMBER 8, 2019

At the start of November I was privileged to attend HPTS (the High Performance Transaction Systems) conference in Asilomar. 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.

Hardware 56

Hardware Programming Media Storage 56

All Things Distributed

MARCH 11, 2016

Build evolvable systems. But we couldn’t adopt the old style approach of upgrading systems through a maintenance outage, as many businesses around the world are relying on our platform for 24/7 availability. Many of those failure scenarios can be anticipated beforehand, but many more are unknown at design and build time.

AWS 144

AWS Hardware Retail Virtualization 144

Tech News Gather

JUNE 4, 2023

For many local attractions, a well-designed mobile app offers a seamless experience. A well-designed travel mobile application can assist a company in standing out from the crowd. Businesses may add new app features such as augmented or virtual reality. It eliminates the need for users to visit many websites or make phone calls.

Mobile 52

Mobile Airlines Analytics Strategy 52

Testsigma

JULY 3, 2021

But for the uninitiated, on-premise testing is a form of testing where testers perform tests on local machines, systems, or devices set up at an office. As the requirement is low, you’ll need not more than a few systems and devices. And you know it — maintaining a horde of tools, systems, servers, and software is no joke!

Cloud 57

Cloud Testing Storage DevOps 57

Dynatrace

JUNE 1, 2021

Practitioners use APM to ensure system availability, optimize service performance and response times, and improve user experiences. Even a conflict with the operating system or the specific device being used to access the app can degrade an application’s performance. These capabilities extend into many areas.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

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. Stand-alone observability won’t cut it.

Monitoring 100

Monitoring Cloud Metrics Code 100

Dynatrace

JULY 8, 2020

Kubernetes has taken over the container management world and beyond , to become what some say the operating system or the new Linux of the cloud. L et’s look at some of the Day 2 operations use case s. . Dynatrace news. Resource utilization management . This does not happen magically.

Infrastructure 201

Infrastructure Monitoring Cloud Metrics 201

Testsigma

JANUARY 12, 2021

This list guides you on the areas to test, the browsers, versions, operating systems to consider, the benchmarks to meet, as well as time and budget allocation. Perform all the design and functionality tests on Chrome first in order to have a better picture of how the application is intended to behave in front of the end-user.

Website 65

Website Benchmarking Operating System Testing Tools 65

All Things Distributed

OCTOBER 2, 2017

About 20 percent would return a set of rows, but still operate on only a single table. The success of our early results with the Dynamo database encouraged us to write Amazon's Dynamo whitepaper and share it at the 2007 ACM Symposium on Operating Systems Principles (SOSP conference), so that others in the industry could benefit.

Internet 128

Internet Internet AWS Performance 128

Enprowess

MAY 24, 2022

React library is designed in a way that it can integrate with existing code or other libraries effortlessly. More incredible Speed with Virtual DOM. Reactjs can help your business in web and mobile application development by bringing fast speed using the virtual DOM. Key features of ReactJS. SoundCloud Pulse.

Mobile 52

Mobile Open Source Virtualization Speed 52

Official Blog - World Web Technology

MARCH 16, 2023

For example, if you want to add features such as Augmented Reality, Virtual Reality, Artificial Intelligence, and others, costs of creating an app might go up. You will need a team of front-end developers, back-end developers, UI/UX designers, quality analysts, project managers, etc. It depends on what features you want to add.

Development 52

Development Mobile Artificial Intelligence Design 52

Testsigma

MAY 5, 2021

For instance, if we design features that run on Safari on Mac OS, those features may not function across other browsers. Plus, there are multiple versions of operating systems and screen resolutions that our users browse content on. . When we write scripts for one browser, they may not necessarily run on all browsers.

Testing Tools 74

Testing Tools Testing Internet Internet 74

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. React got popular due to the virtual document object model (DOM) which enables it to enhance performance of web apps and PWA significantly.

Virtualization 64

Virtualization Website Speed Mobile 64