Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? To answer all these questions we need exhaustive mobile testing in place. Functional Testing.

Mobile 82

Mobile Testing Hardware C++ 82

Dynatrace

NOVEMBER 1, 2022

A 2022 Outage Analysis report found that enterprises are struggling to achieve a measurable reduction in outage rates and severity. Maintenance: Reduces the risk of an incident occurring again with root-cause analysis and continuous improvements to the system. This includes time your team spends investigating, repairing, and testing.

DevOps 216

DevOps Artificial Intelligence Metrics Network 216

Alex Podelko

OCTOBER 20, 2016

I am looking forward to share my thoughts on ‘Reinventing Performance Testing’ at the imPACt performance and capacity conference by CMG held on November 7-10, 2016 in La Jolla, CA. Another major trend is using multiple third-party components and services, which may be not easy to properly incorporate into testing. – Cloud.

Performance Testing 100

Performance Testing Architecture Testing Performance 100

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. While the result of this offline analysis was very exciting, what really matters to us is our members’ streaming experience.

Media 246

Media Open Source Efficiency Software Engineering 246

Dynatrace

JANUARY 16, 2023

On-premises data centers invest in higher capacity servers since they provide more flexibility in the long run, while the procurement price of hardware is only one of many cost factors. This trend shows that organizations are dedicating significantly more Kubernetes clusters to running software build, test, and deployment pipelines.

Open Source 349

Open Source Java Operating System Programming 349

Dynatrace

FEBRUARY 23, 2022

IaC, or software intelligence as code , codifies and manages IT infrastructure in software, rather than in hardware. Enshrining infrastructure in code provides a foundation for automation and testing—both of which are crucial for DevSecOps. AIOps for root-cause analysis becomes critical. Weighing MLOps vs. AIOps.

Serverless 275

Serverless Infrastructure Innovation DevOps 275

Dynatrace

MAY 14, 2020

A Dynatrace Managed cluster may lack the necessary hardware to process all the additional incoming data. The ALR mechanism also ensures maximum stability when the actual load exceeds the capacity of the cluster (though a statistically valid set of requests is still captured for analysis by the Dynatrace Davis AI causation engine ).

Processing 159

Processing Hardware Traffic Storage 159

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. This process can delay deployments or cause developers to skip security testing completely to meet project deadlines.

Cloud 185

Cloud Open Source Architecture Monitoring 185

Adrian Cockcroft

MARCH 17, 2020

Infrequent failures exercise poorly tested capabilities that tend to amplify problems in unexpected ways rather than mitigate them, so it’s important to carefully exercise the system to ensure that design controls are well tested and operating correctly. Book: Engineering a Safer World by Nancy G.

Healthcare 52

Healthcare Government Airlines Systems 52

Dynatrace

NOVEMBER 15, 2021

Log monitoring, log analysis, and log analytics are more important than ever as organizations adopt more cloud-native technologies, containers, and microservices-based architectures. Logs can include data about user inputs, system processes, and hardware states. Dynatrace news. billion in 2020 to $4.1 What is log monitoring?

Analytics 218

Analytics Monitoring Artificial Intelligence DevOps 218

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

SEPTEMBER 15, 2020

It differentiates Dynatrace as an AWS Partner Network (APN) member with a fully tested product on AWS Outposts. “We Dynatrace can help customers monitor, troubleshoot, and optimize application performance for workloads operating on AWS Outposts, in AWS Regions, and on customer-owned hardware for a truly consistent hybrid experience.”.

AWS 208

AWS Design Storage Cloud 208

Dynatrace

OCTOBER 28, 2021

Testing for mishaps you can predict is essential. Chaos engineering is a method of testing distributed software that deliberately introduces failure and faulty scenarios to verify its resilience in the face of random disruptions. Practitioners subject software to a controlled, simulated crisis to test for unstable behavior.

Engineering 235

Engineering Entertainment Cloud Infrastructure 235

Dynatrace

SEPTEMBER 29, 2021

Container technology is very powerful as small teams can develop and package their application on laptops and then deploy it anywhere into staging or production environments without having to worry about dependencies, configurations, OS, hardware, and so on. The time and effort saved with testing and deployment are a game-changer for DevOps.

Open Source 310

Open Source Traffic DevOps Cloud 310

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. If a primary server fails, a backup server can take over and continue to serve requests.

Availability 108

Availability Database Open Source Hardware 108

Dynatrace

OCTOBER 26, 2020

Christian Inzko , Performance Engineer out of our Klagenfurt Lab, is running a lot of performance tests to validate performance and scalability of our Dynatrace clusters. For some of these tests, he’s using the open source tool Apache JMeter. All your JMeter results in Dynatrace for better performance engineering.

Innovation 159

Innovation Metrics Hardware Games 159

Smashing Magazine

OCTOBER 27, 2021

The eye-tracking methodology can be extremely valuable for usability tests since it records the journey without interfering with the users’ natural behavior. Imagine, for example, that you test a prototype but discover that users are not interacting with the interface how they are supposed to. Mariana Macedo. 2021-10-27T10:00:00+00:00.

Mobile 112

Mobile Website Hardware Social Media 112

Dynatrace

NOVEMBER 29, 2022

Using Davis, Cloud Automation can trigger the right fix for an issue , validate the fix by running a synthetic test, update the service ticket, and notify stakeholders using communication channels—all in an automated way. However, by advancing AIOps, Dynatrace considers dynamic CI relationships and dependencies instantly and automatically.

Infrastructure 180

Infrastructure Code Cloud DevOps 180

Testsigma

FEBRUARY 6, 2020

According to IEEE Std 829-1998, Software Testing is defined as “the process of analyzing a software item to detect the differences between existing and required conditions (i.e. ” With the advent of new technologies and new software being released every day, software testing is gaining more strength and accolades.

Software 69

Software Software Testing Scalability 69

Brendan Gregg

MARCH 16, 2024

2015-2020: Overhead As part of production rollout I did many performance overhead tests, which I've described publicly before: The overhead of adding frame pointers to everything (libc and Java) was usually less than 1%, with one exception of 10%. The actual overhead depends on your workload. Others have reported around 1% and around 2%.

Java 145

Java Cache Google Hardware 145

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 172

Cloud Traffic Best Practices Strategy 172

The Netflix TechBlog

NOVEMBER 9, 2022

A quick canary test was free of errors and showed lower latency, which is expected given that our standard canary setup routes an equal amount of traffic to both the baseline running on 4xl and the canary on 12xl.

Hardware 363

Hardware Cache Performance Latency 363

Percona

OCTOBER 18, 2023

This approach can minimize complexities but requires complete confidence in your preparations, tests, and abilities. Resource allocation: Personnel, hardware, time, and money The migration to open source requires careful allocation (and knowledge) of the resources available to you. Should I be bringing in external experts to help out?

Open Source 93

Open Source Database Hardware Strategy 93

Percona

JUNE 22, 2023

long_query_time: Defines the threshold for query execution time, and queries taking longer than this threshold are considered slow and logged for further analysis innodb_buffer_pool_size: Sets the size of the InnoDB buffer pool. This KPI is also directly related to Query Performance and helps improve it.

Performance 105

Performance Monitoring Traffic Database 105

Scalegrid

JANUARY 25, 2024

These can help you ensure your system’s health and quickly perform root cause analysis of any performance-related issue you might be encountering. 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.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

MAY 1, 2020

This is especially the case with microservices and applications created around multiple tiers, where cheaper hardware alternatives play a significant role in the infrastructure footprint. The initial release of OneAgent for the ARM platform with OneAgent version 1.191 is certified and tested to work on SUSE Enterprise Linux 15.x,

Java 134

Java Hardware Tuning Metrics 134

The Morning Paper

FEBRUARY 27, 2020

Despite all the pre-deployment testing you might employ, this makes it really tough to change them with confidence. memory leaks that take hours to build up into an issue); and there can be problems that only exhibit themselves with certain user, hardware, or software configurations. NSDI’20.

Analytics 68

Analytics Infrastructure Cloud Hardware 68

Testsigma

OCTOBER 28, 2021

He has dabbled in software development, testing, and automation, and often shares his learnings in his blog. In this QnA, Rahul makes the point that a randomly failing test is always worth investigating and that assumptions are dangerous in testing. Q1: What are your most and least favorite things about test automation?

Engineering 96

Engineering Hardware Testing Software Engineering 96

Percona

JANUARY 17, 2023

We randomly pick a record (id = 245) from a table as a subject to describe the test case. Although many events leave corruption, it is difficult to create any reproducible test case for corruption because there is no surety of what actually caused it. Due to this, it shows a completely different record. Abruptly stopping PostgreSQL.

Database 119

Database Hardware Storage Programming 119

The Morning Paper

SEPTEMBER 27, 2020

The wikipedia page on floating point numbers describes a number of related accuracy problems including the difficulty of testing for equality. In day-to-day usage, beyond judicious use of ‘within’ for equality testing, I suspect most of us ignore the potential difficulties of floating point arithmetic even if we shouldn’t.

Benchmarking 101

Benchmarking Hardware Programming Code 101

Dynatrace

OCTOBER 1, 2021

In these modern environments, every hardware, software, and cloud infrastructure component and every container, open-source tool, and microservice generates records of every activity. Observability relies on telemetry derived from instrumentation that comes from the endpoints and services in your multi-cloud computing environments.

Metrics 363

Metrics Open Source Monitoring Infrastructure 363

Brendan Gregg

SEPTEMBER 25, 2021

This was a weird problem to think about: Time itself had now become a resource and target of performance analysis. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. I'm including this step as a reminder for anyone following this kind of analysis.

Speed 126

Speed Java AWS Virtualization 126

The Netflix TechBlog

JUNE 4, 2019

CFS is widely used and therefore well tested and Linux machines around the world run with reasonable performance. The idea CFS operates by very frequently (every few microseconds) applying a set of heuristics which encapsulate a general concept of best practices around CPU hardware use. So why mess with it?

Cache 251

Cache Latency Airlines Logistics 251

The Morning Paper

OCTOBER 1, 2020

For calculators, spreadsheets, and many other applications we don’t need the raw performance of hardware floating point operations. The analysis required to demonstrate that a calculation has not tripped up over a floating point limitation is non-trivial. Such an implementation is the subject of today’s paper choice. Deciding equality.

Java 143

Java Hardware Open Source Testing 143

KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. What is Performance Testing? In the context of web development, performance testing entails using software tools to simulate how an application runs under specific circumstances.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Dotcom-Montior

NOVEMBER 27, 2018

You’ve likely uttered the phrases “test early and often” and “shift left,” but do you always remind yourself of the importance of that phrase from the end user’s perspective? LoadView, our on-demand, cloud-based load and stress testing platform , takes an outside-in approach to performance testing.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Randon ASCII

OCTOBER 4, 2020

The answer is hardware interrupts. The interval between timer interrupts depends on the Windows version and on your hardware but on every machine I have used recently the default interval has been 15.625 ms (1,000 ms divided by 64). FelixPetriconi ran the tests for me on Windows 10 1909 and I ran the tests on Windows 10 2004.

Programming 145

Programming Games Hardware Operating System 145