DZone

JULY 26, 2022

In QA and software testing world, a compatibility test is a kind of test performed to scrutinize whether the software or app is competent of running on multiple OSs, mobile devices, browsers, applications, network environments, and more. Put simply, the compatibility of the software is checked for distinct environments and platforms.

Testing 246

Testing Hardware Mobile Operating System 246

Dynatrace

APRIL 15, 2024

In a monitoring scenario, teams typically preconfigure dashboards to alert about performance issues they may expect to see later. Every hardware, software, cloud infrastructure component, container, open source tool, and microservice generates records of every activity within modern environments. Observability differs from monitoring.

Infrastructure 208

Infrastructure Efficiency Government Transportation 208

Dynatrace

DECEMBER 15, 2022

Besides the traditional system hardware, storage, routers, and software, ITOps also includes virtual components of the network and cloud infrastructure. The primary goal of ITOps is to provide a high-performing, consistent IT environment. Performance. What does IT operations do?

Artificial Intelligence 202

Artificial Intelligence DevOps Hardware Virtualization 202

Dynatrace

JUNE 7, 2019

We continue to grow our public synthetic monitoring locations, but customers using Dynatrace Synthetic still need to monitor the performance and availability of internal web applications. Now, you’ll be able to: Measure internal web page performance and availability with single-URL monitors. Scalability and load balancing.

Network 156

Network Monitoring Servers Hardware 156

DZone

JANUARY 23, 2022

Datacenter - data center failure where the whole DC could become unavailable due to power failure, network connectivity failure, environmental catastrophe, etc. Redundancy in power, network, cooling systems, and possibly everything else relevant. this is addressed through monitoring and redundancy. Again the approach here is the same.

Hardware 243

Hardware DevOps Network Storage 243

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. The usual caveats also apply: Performance is a deep and nuanced domain, and much can go wrong beyond content size and composition. How sites manage resources after-load can have a big impact on perceived performance.

Performance 90

Performance Network Mobile Speed 90

The Morning Paper

NOVEMBER 10, 2019

Snap: a microkernel approach to host networking Marty et al., This paper describes the networking stack, Snap , that has been running in production at Google for the last three years+. A brownout phase performs a preparatory background transfer of all the key state to a memory region shared with the new version. SOSP’19.

Network 92

Network Transportation Latency Entertainment 92

Dynatrace

JUNE 25, 2020

The network latency between cluster nodes should be around 10 ms or less. Our Premium High Availability comes with the following features: Active-active deployment model for optimum hardware utilization. Minimized cross-data center network traffic. – A Dynatrace customer, Head of Performance Engineering.

Availability 246

Availability Hardware Latency Traffic 246

Scalegrid

FEBRUARY 8, 2024

Key Takeaways Distributed storage systems benefit organizations by enhancing data availability, fault tolerance, and system scalability, leading to cost savings from reduced hardware needs, energy consumption, and personnel. They maintain fault tolerance and redundancy by replicating this information throughout various nodes in the system.

Storage 130

Storage Systems Big Data Azure 130

Dynatrace

DECEMBER 8, 2021

This centralization means all aspects of the system can share underlying hardware, are generally written in the same programming language, and the operating system level monitoring and diagnostic tools can help developers understand the entire state of the system. 5 challenges to achieving observability at scale. Read eBook now!

Cloud 226

Cloud Serverless Hardware Operating System 226

Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 140

Performance Latency Hardware Storage 140

Dynatrace

MAY 1, 2023

This operational data could be gathered from live running infrastructures using software agents, hypervisors, or network logs, for example. This enables AIOps teams to better predict performance and security issues and improve overall IT operations. Operations analytics ensures IT systems perform as expected.

Analytics 187

Analytics Artificial Intelligence Big Data Open Source 187

DZone

JULY 23, 2021

It also provides information for organizations setting up high recovery mechanisms for transaction reconciliation and settlement in case of failure, as well as transaction disruption events during a network failure. The fail-over condition arises due to uncontrolled network failure, OS failure, hardware failure or DR drill.

Hardware 246

Hardware Network Processing Availability 246

Percona

JUNE 22, 2023

As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance.

Performance 103

Performance Monitoring Traffic Database 103

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., The paper examines the implications of microservices at the hardware, OS and networking stack, cluster management, and application framework levels, as well as the impact of tail latency.

Open Source 61

Open Source Hardware Benchmarking Systems 61

Percona

NOVEMBER 2, 2023

Q3: What performance issues, if any, does Kubernetes introduce? Kubernetes performance is heavily influenced by the underlying hardware. Running a database on a Kubernetes cluster should deliver similar performance, with less than a 1% difference when compared to running it on standalone hardware.

Open Source 83

Open Source Hardware Storage Database 83

Scalegrid

MAY 13, 2020

Greenplum Database is an open-source , hardware-agnostic MPP database for analytics, based on PostgreSQL and developed by Pivotal who was later acquired by VMware. Greenplum uses an MPP database design that can help you develop a scalable, high performance deployment. What Exactly is Greenplum? At a glance – TLDR. Open Source.

Big Data 321

Big Data Database Artificial Intelligence Open Source 321

Dynatrace

JUNE 29, 2022

They use the same hardware, APIs, tools, and management controls for both the public and private clouds. Amazon Web Services (AWS) Outpost : This offering provides pre-configured hardware and software for customers to run native AWS computing, networking, and services on-premises in a cloud-native manner.

Infrastructure 181

Infrastructure Cloud Azure AWS 181

DZone

MARCH 27, 2020

Generally, we can say that: Web services are packet sized applications that communicate with each other via network but in a precise format. Web Service and Mobile App Testing. The output of one software used as an input to another reciprocally and the whole process executed with interface language like XML.

Mobile 147

Mobile Testing Hardware Network 147

HammerDB

APRIL 19, 2023

Predicting application performance is a difficult art, but an important one when choosing the target deployment environment. In this blog, we aim to call out some key considerations when trying to assess MySQL performance for your application. We will not concern ourselves with the raw throughput of workload.

Performance 54

Performance Benchmarking Cache Storage 54

Dynatrace

NOVEMBER 2, 2023

Unified observability is the ability to know how systems and infrastructure are performing based on the data they generate, such as logs, metrics, and traces. In modern cloud environments, every piece of hardware, software, cloud infrastructure component, container, open-source tool, and microservice generates records of every activity.

Cloud 221

Cloud Infrastructure Strategy Hardware 221

DZone

APRIL 30, 2020

I needed basic information on RAM, CPU, Disk, Networking, and I/O to assess the performance bottleneck for the serve. " I was in the search for a straightforward tool that shows me hardware "VM" metrics and allows me to check the logs without ssh into the VM and ideally tool should be Open Source.

Monitoring 159

Monitoring Servers Hardware Open Source 159

CSS Wizardry

OCTOBER 27, 2018

A lot of companies—even if they are aware that performance is key to their business—are often unsure of how, when, or where performance testing sits within their development lifecycle. To make things worse, they’re also usually unsure whose responsibility performance measuring and monitoring is.

Performance Testing 172

Performance Testing Testing Performance Strategy 172

DZone

DECEMBER 27, 2020

CPU consumption in Unix/Linux operating systems is studied using eight different metrics: User CPU time, System CPU time, nice CPU time, Idle CPU time, Waiting CPU time, Hardware Interrupt CPU time, Software Interrupt CPU time, Stolen CPU time. Let’s say your application is making network calls to external applications.

Operating System 211

Operating System Hardware Network Systems 211

Percona

AUGUST 22, 2023

We’ll wrap it up by suggesting high availability open source solutions, and we’ll introduce you to support options for ensuring continuous high performance from your systems. Without enough infrastructure (physical or virtualized servers, networking, etc.), What does high availability mean? What is fault tolerance?

Availability 77

Availability Hardware Open Source Database 77

Dynatrace

SEPTEMBER 22, 2021

and, just like other software or hardware products, DNA runs internal testing groups where employees can beta test new devices and give feedback so that any annoying usability issues are addressed before hitting the mass market. Crashes sometimes happen because of a specific combination of hardware, software and the environment (e.g.,

Mobile 192

Mobile Media Hardware Network 192

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

The Morning Paper

JUNE 11, 2019

Beyond data and model parallelism for deep neural networks Jia et al., The second is an efficient execution simulator that makes searching that space possible by giving a quick evaluation of the potential performance of a given parallelisation strategy. SysML’2019. in the hope of covering more interesting potential solutions.

Network 81

Network Strategy Hardware Benchmarking 81

Percona

AUGUST 30, 2023

In general terms, here are potential trouble spots: Hardware failure: Manufacturing defects, wear and tear, physical damage, and other factors can cause hardware to fail. heat) can damage hardware components and prompt data loss. Human mistakes: Incorrect configuration is an all-too-common cause of hardware and software failure.

Database 85

Database Hardware Open Source Strategy 85

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to [Systems Performance 2nd Edition], and this was the first time I've given this talk in person! Or even on a plane.

Performance 110

Performance Latency Cache Virtualization 110

The Morning Paper

OCTOBER 4, 2020

Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption , Xu et al., The first 5G networks are now deployed and operational. The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 SIGCOMM’20.

Energy 130

Energy Latency Performance Network 130

DZone

JANUARY 16, 2021

CPU consumption in Unix/Linux operating systems is broken down into 8 different metrics: User CPU time , System CPU time , nice CPU time , Idle CPU time , Waiting CPU time , Hardware Interrupt CPU time , Software Interrupt CPU time , and Stolen CPU time. In this article, let us study ‘waiting CPU time’. What Is ‘Waiting’ CPU Time?

Operating System 124

Operating System Hardware Network Metrics 124

Addy Osmani

DECEMBER 29, 2019

Adaptive Loading is a pattern for delivering a fast core experience to all users (including low-end devices) where you progressively add high-end-only features, if a user's network and hardware can handle it

Hardware 88

Hardware Performance Network 88

Dynatrace

NOVEMBER 1, 2022

These metrics help to keep a network system up and running?, Mean time to recovery (MTTR) measures the entire amount of time it takes to get a downed network or system back up and running. MTTD is a primary key performance indicator for IT and DevOps teams. a critical task that’s easier said than done. Mean time to recovery.

DevOps 207

DevOps Artificial Intelligence Metrics Network 207

Dynatrace

AUGUST 5, 2022

It provides a consistent platform that integrates with a variety of message queuing types to enable consistent performance regardless of the platform. Without it, sending an email over a long distance would require the immediate availability of every node on the routing network to forward each message. Two styles of message queuing.

Monitoring 199

Monitoring Serverless Programming Speed 199

Dynatrace

AUGUST 5, 2022

It provides a consistent platform that integrates with a variety of message queuing types to enable consistent performance regardless of the platform. Without it, sending an email over a long distance would require the immediate availability of every node on the routing network to forward each message. Two styles of message queuing.

Monitoring 198

Monitoring Serverless Programming Speed 198