Testsigma

DECEMBER 28, 2019

The testing phase starts with unit testing followed by integration testing, system testing, system integration testing, acceptance testing, and regression testing. System testing- checks end to end flows works as expected. Acceptance testing- to validate the system is developed as per business requirement. Re-execute all.

Testing 53

Testing Hardware Testing Tools Strategy 53

Dynatrace

SEPTEMBER 22, 2021

Whether it’s your TV, audio system, digital home assistant, or refrigerator chances are those devices run an operating system such as Android allowing you access to the device’s features through apps. Crashes sometimes happen because of a specific combination of hardware, software and the environment (e.g., Dynatrace news.

Mobile 197

Mobile Media Hardware Network 197

Dynatrace

APRIL 5, 2021

AWS Lambda enables organizations to access many types of functions from AWS’ cloud-based services, such as: Data processing, to execute code based on triggers, system states, or user actions. You will likely need to write code to integrate systems and handle complex tasks or incoming network requests. How does AWS Lambda work?

Lambda 183

Lambda AWS Serverless Hardware 183

ACM Sigarch

OCTOBER 4, 2018

This is the first post in a series of posts on different approaches to systems security especially as they apply to hardware and architectural security. In this post, we will consider the use of mathematics/cryptography as an approach to improving systems security. Transmission: A number of encryption schemes (e.g.,

Systems 47

Systems Hardware Storage Healthcare 47

Dynatrace

MAY 2, 2024

With the ability to generate new content—such as images, text, audio, and other data—based on patterns and examples taken from existing data, organizations are rushing to capitalize on the AI model. As organizations train generative AI systems with critical data, they must be aware of the security and compliance risks.

Artificial Intelligence 130

Artificial Intelligence Cloud Best Practices DevOps 130

The Morning Paper

NOVEMBER 5, 2019

File systems unfit as distributed storage backends: lessons from 10 years of Ceph evolution Aghayev et al., It’s also a fabulous example of recognising and challenging implicit assumptions. In this case, the assumption that a distributed storage backend should clearly be layered on top of a local file system. SOSP’19.

Storage 64

Storage Systems Hardware Efficiency 64

Dynatrace

AUGUST 26, 2020

There’s no other competing software that can provide this level of value with minimum effort and optimal hardware utilization that can scale up to web-scale! I’d like to stress the lean approach to hardware that our customers require for running Dynatrace Managed. Support for high memory instances.

Performance 150

Performance Hardware Java Storage 150

The Netflix TechBlog

JANUARY 13, 2022

The data platform is built on top of several distributed systems, and due to the inherent nature of these systems, it is inevitable that these workloads run into failures periodically. We have been working on an auto-diagnosis and remediation system called Pensive in the data platform to address these concerns.

Big Data 238

Big Data Infrastructure Metrics Hardware 238

ACM Sigarch

OCTOBER 10, 2022

The security attacks demonstrated so far, for example, show that it is possible to induce errors in qubits via crosstalk, fingerprint the quantum computer devices, or even leak information across reset gates. With cloud-based access, anybody, including malicious users, can run their code on the real quantum computer hardware.

Architecture 72

Architecture Hardware Programming Cloud 72

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. Neither requires information about the other.

Monitoring 205

Monitoring Serverless Programming Speed 205

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. Neither requires information about the other.

Monitoring 204

Monitoring Serverless Programming Speed 204

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. An Example. What is Configuration Testing?

Testing 89

Testing Hardware Virtualization Operating System 89

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

Scalegrid

JANUARY 5, 2024

If you’re considering a database management system, understanding these benefits is crucial. Understanding Database Management Systems (DBMS) A Database Management System (DBMS) assists users in creating and managing databases. In a DBMS, data serves as the material which the system stores, structures, and controls.

Efficiency 147

Efficiency Storage Database Scalability 147

The Netflix TechBlog

JUNE 4, 2019

We were able to meaningfully improve both the predictability and performance of these containers by taking some of the CPU isolation responsibility away from the operating system and moving towards a data driven solution involving combinatorial optimization and machine learning. It has 8 physical hyperthreaded cores, split on 2 NUMA sockets.

Cache 251

Cache Latency Airlines Logistics 251

Adrian Cockcroft

JANUARY 17, 2022

There were five trends and topics for 2021, Serverless First, Chaos Engineering, Wardley Mapping, Huge Hardware, Sustainability. 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.

Serverless 98

Serverless Hardware AWS Architecture 98

Dynatrace

SEPTEMBER 30, 2021

It requires purchasing, powering, and configuring physical hardware, training and retaining the staff capable of servicing and securing the machines, operating a data center, and so on. They need enough hardware to serve their anticipated volume and keep things running smoothly without buying too much or too little. Reduced cost.

Cloud 169

Cloud Traffic Best Practices Strategy 169

The Netflix TechBlog

NOVEMBER 9, 2021

AV1 playback on TV platforms relies on hardware solutions, which generally take longer to be deployed. Throughout 2020 the industry made impressive progress on AV1 hardware solutions. For example, for titles where the source is 4K and high frame rate (HFR) such as “Formula 1: Drive to Survive” , we produce AV1 streams in 4K and HFR.

Media 246

Media Open Source Efficiency Software Engineering 246

ACM Sigarch

OCTOBER 25, 2019

When it comes to hardware support to mitigate software security issues, there is a significant gap between what is available in products today and known solutions. Attestation—Providing systems the means to attest or verify the integrity of their components. A History of Architecture Support for Security.

Hardware 98

Hardware Virtualization Architecture Games 98

The Netflix TechBlog

FEBRUARY 25, 2021

For example, detecting frame boundaries in an AV1 video stream requires being able to parse so-called Open Bitstream Units (OBU) and identifying Temporal Delimiters OBU. Hardware video decoders need to know in advance the resolution and bit depth of the video streams to allocate their decoding buffers.

Technology 181

Technology Technology Open Source Media 181

The Netflix TechBlog

AUGUST 30, 2021

Complementing the hardware is the software on the RAE and in the cloud, and bridging the software on both ends is a bi-directional control plane. For example, when running tests, the state of the device will change from “available for testing” to “in test.” In this blog post, we will focus on the latter feature set.

Latency 213

Latency Traffic Transportation Hardware 213

Dynatrace

JUNE 9, 2020

As part of the instructions, you can also make sure that your machine meets the system and hardware requirements for setting up a private Synthetic location.

Monitoring 134

Monitoring Hardware Servers Infrastructure 134

Dynatrace

APRIL 15, 2022

In the past, severe database issues seriously hurt system performance, causing delayed shipping times for prescriptions. While modern cloud systems simplify tasks — such as deploying apps and provisioning new hardware and servers — cloud environments can be surprisingly complex. “We have a rich metric expression language.

Cloud 181

Cloud Infrastructure Innovation Monitoring 181

The Netflix TechBlog

NOVEMBER 9, 2022

a contiguous chunk of data (typically 64 bytes on x86 systems) transferred to and from the cache. Thread 0’s cache in this example. a usage pattern occurring when 2 cores reading from / writing to unrelated variables that happen to share the same L1 cache line. Cache line is a concept similar to memory page?—?a

Hardware 363

Hardware Cache Performance Latency 363

Dynatrace

OCTOBER 28, 2021

The crisis could be technical, natural, or malicious events, for example an earthquake affecting data center availability, or a cyberattack infecting applications and websites. Because it can touch many systems, chaos engineering can have broad implications, affecting groups and stakeholders across the organization.

Engineering 230

Engineering Entertainment Cloud Infrastructure 230

ACM Sigarch

APRIL 26, 2018

For example, Nvidia’s Volta-based Quadro GV100 and DGX-2 was just announced at GTC’18. The new DGX-2, which achieves 2 petaFLOPS in the system, combines 16 fully interconnected GPUS with 10x the deep learning performance. HPU: Holographic Processing Unit (HPU) is the specific hardware of Microsoft’s Hololens.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Percona

SEPTEMBER 1, 2023

This results in expedited query execution, reduced resource utilization, and more efficient exploitation of the available hardware resources. This not only enhances performance but also enables you to make more efficient use of your hardware resources, potentially resulting in cost savings on infrastructure.

Tuning 52

Tuning Database Performance Hardware 52

Percona

JUNE 22, 2023

Let’s dive in and learn how (and what) to effectively monitor MySQL performance, along with examples from PMM, by understanding the critical KPIs to watch for. This is not an exhaustive list but an example of what we can watch for. This KPI is also directly related to Query Performance and helps improve it.

Performance 102

Performance Monitoring Traffic Database 102

Scalegrid

JANUARY 25, 2024

These essential data points heavily influence both stability and efficiency within the system. It’s important to note that recommended throughput levels may vary depending on factors such as operating system type, network bandwidth availability, and hardware quality. it signifies memory fragmentation. <code>127.0.0.1:6379>

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

JUNE 15, 2023

If your application runs on servers you manage, either on-premises or on a private cloud, you’re responsible for securing the application as well as the operating system, network infrastructure, and physical hardware. What are some key characteristics of securing cloud applications?

Cloud 181

Cloud Open Source Architecture Monitoring 181

Testsigma

APRIL 13, 2021

Example: Consider an e-commerce app that is running an offer of providing 50% off on the next order to the customer. Example: A new functionality is added in a gaming iOS application and is unit tested successfully. Operating System. Scenario: Rare conditions are better tested using unit testing. Types of compatibility testing.

Testing 84

Testing Hardware Mobile Testing Tools 84

Testlodge

MARCH 21, 2023

Black box testing focuses on the requirements to ensure the system responds as expected, according to the documentation. White box testing examines the system’s internal structure and architecture. Black box testing focuses on the requirements to ensure the system responds as expected, according to the documentation.

Testing 67

Testing Architecture Hardware Code 67

ACM Sigarch

AUGUST 3, 2023

Embodied carbon is due to Scope 3, e.g., manufacturing IT hardware and datacenter construction. For example, operational carbon emissions are highly time varying and even differ widely across regions. Chien’s Arguments Against Embodied Carbon Prof. Multiple research artifacts show the usefulness of embodied carbon (see conclusion).

Energy 98

Energy Architecture Hardware Metrics 98

The Morning Paper

JANUARY 30, 2020

The kind of edge server envisaged here might, for example, be integrated with your WiFi access point. One example from the paper is an application using the ammo.js As an example, the figure below illustrates the runtime state of the cubes simulation app. The Mobile Web Worker (MWW) System.

Mobile 104

Mobile Cloud Latency Games 104

The Morning Paper

NOVEMBER 3, 2019

For example: “Red Hat and Suse normally required 6-18 months to optimise the performance an an upstream Linux kernel before it can be released as an enterprise distribution”, and. A micro-benchmark suite, LEBench was then built around tee system calls responsible for most of the time spent in the kernel. Measuring the kernel.

Performance 108

Performance Benchmarking Tuning Hardware 108

The Morning Paper

JUNE 13, 2019

As we saw with the SOAP paper last time out, even with a fixed model variant and hardware there are a lot of different ways to map a training workload over the available hardware. Managed here means that the system automates resource provisioning for models to match a set of SLO constraints (cf. autoscaling).

Hardware 58

Hardware Latency Serverless Energy 58

HammerDB

OCTOBER 23, 2023

HammerDB has always used stored procedures as a design decision because the original benchmark was implemented as close as possible to the example workload in the TPC-C specification that uses stored procedures. As an example from the TPC-C specification, this is the Stock Level procedure. On MySQL, we saw a 1.5X

Benchmarking 62

Benchmarking Database Network C++ 62