Dynatrace

APRIL 21, 2022

Analyzing user experience to ensure uniform performance after migration. Performance efficiency. Some principles Microsoft provides across this area include: Choosing the right resources aligned with business goals that can handle the workload’s performance. Performance Efficiency. Reliability.

Azure 184

Azure Monitoring Virtualization Metrics 184

The Netflix TechBlog

OCTOBER 26, 2021

We then used simple thought exercises based on flipping coins to build intuition around false positives and related concepts such as statistical significance, p-values, and confidence intervals. In this post, we’ll do the same for false negatives and the related concept of statistical power.

Testing 202

Testing Latency Metrics Innovation 202

Dynatrace

SEPTEMBER 30, 2021

Hosted and moderated by Amazon, AWS GameDay is a hands-on, collaborative, gamified learning exercise for applying AWS services and cloud skills to real-world scenarios. It also ensures your team shares common fluency in cloud best practices, which improves collaboration and helps your company achieve a higher standard of performance.

AWS 205

AWS Best Practices Analytics Cloud 205

Dynatrace

JUNE 8, 2021

This post was co-authored by Jean-Louis Lormeau, Digital Performance Architect at Dynatrace. . In software we use the concept of Service Level Objectives (SLOs) to enable us to keep track of our system versus our goals, often shown in a dashboard – like below –, to help us to reach an objective or provide an excellent service for users.

Metrics 163

Metrics Tuning Programming Systems 163

Dynatrace

APRIL 15, 2021

As a company that’s ethos is based on a points-based system for health, by doing exercise and being rewarded with vouchers such as cinema tickets, the pandemic made both impossible tasks to do. Vitality had to respond quickly to this change by signing up new partners and developing new ways of incorporating rewards.

Speed 162

Speed Media Monitoring Engineering 162

Dynatrace

MAY 15, 2020

But outdated security practices pose a significant barrier even to the most efficient DevOps initiatives. Dynatrace is the leading Software Intelligence Platform, focused on web-scale cloud monitoring, delivering the richest, most complete data sets in the Application Performance Management market.

Government 221

Government DevOps Infrastructure Network 221

The Netflix TechBlog

MAY 27, 2020

Reliability, formally speaking, is the ability of a system to function under stated conditions for a period of time. Put simply, reliability means a system should work and continue working. CORE is a team consisting of Site Reliability Engineers, Applied Resilience Engineers, and Performance Engineers. Technical Sleuthing?—?assisting

Engineering 104

Engineering Innovation Systems Architecture 104

Percona

AUGUST 8, 2023

As such, one of the more common questions I get from my clients is whether or not their system will be able to endure an anticipated load increase. Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization.

Traffic 88

Traffic Cache Monitoring Database 88

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. Performance monitoring.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

The Netflix TechBlog

SEPTEMBER 8, 2020

Functional Testing Functional testing was the most straightforward of them all: a set of tests alongside each path exercised it against the old and new endpoints. Some of this increased latency was mitigated by better observability and more efficient batching of requests.

Latency 233

Latency Cache Java Traffic 233

John McCalpin

AUGUST 1, 2018

Bandwidth, performance analysis has two recurring themes: How fast should this code (or “simple” variations on this code) run on this hardware? If I am analyzing (apparent) performance shortfalls, how can I distinguish between cause and effect ? The processor hardware available to support shared-memory transport.

Hardware 40

Hardware Transportation Performance Latency 40

The Agile Manager

MAY 31, 2021

Additional or more comprehensive capabilities that come standard with a new COTS product; lower labor intensity and less dependency on costly knowledge workers required to sustain legacy assets; and reducing systemic fragility (e.g., production downtime) are all very real economic benefits that have P&L impact.

C++ 52

C++ Efficiency Systems Technology 52

Percona

JULY 6, 2023

Performance is one of the essential aspects of a database management system. Very little can be more annoying and frustrating for users than poor performance, meaning long-running queries and high response times at the front end. But still, this is one of the most efficient ways of retrieving data from a table.

Best Practices 89

Best Practices Tuning Database Testing 89

Sutter's Mill

JANUARY 25, 2021

On a humorous note, O(N) remains O(N) no matter how hard we try to make it efficient: MyAssert( std::is_sorted( std::execution::par, begin(s), end(s) ) ); // still O(N) arbitrarily expensive, but good try! If you develop your own assertion system for in-house use, support enabling/disabling at least these kinds of assertions independently. [1]

C++ 45

C++ Programming Cache Testing 45

The Netflix TechBlog

FEBRUARY 10, 2021

Stranger Things imagery showcasing the inspiration for the Hawkins Design System by Hawkins team member Joshua Godi ; with art contributions by Wiki Chaves Hawkins may be the name of a fictional town in Indiana, most widely known as the backdrop for one of Netflix’s most popular TV series “Stranger Things,” but the name is so much more.

Design 230

Design Systems Engineering Entertainment 230

Testsigma

MARCH 6, 2020

With the amount of data flow across multiple modules in applications being made today, a feature addition or a fix can cause unexpected issues in the normal system operations. Regression tests should be performed just after the sanity testing is complete. Some best practices to follow for efficient regression testing.

Best Practices 52

Best Practices Testing Code Testing Tools 52

The Agile Manager

AUGUST 31, 2020

I've worked with quite a few companies for which long-lived software assets remain critical to day-to-day operations, ranging from 20-year-old ERP systems to custom software products that first processed a transaction way back in the 1960s. The first and most obvious is that they are long on how to start, but short on how to finish.

Architecture 52

Architecture Code Strategy Programming 52

Alex Russell

AUGUST 30, 2021

Does Apple restrict, in any way, the ability of competing web browsers to deploy their own web browsing engines when running on Apple's operating system? Some engines go further, adopting safer systems languages in their first lines of defence, or using a larger number of sandboxes to strictly isolate individual websites from each other.

Engineering 98

Engineering Open Source Website Operating System 98

The Agile Manager

NOVEMBER 30, 2014

Sometimes it is divestiture or separation: sprawling firms that serve different buyers or markets don't achieve much in the way of operating efficiency, and a "conglomerate discount" priced into their equity means there is value that can be released by dividing a firm into multiple businesses. We need to combine systems, and do so quickly.

Airlines 40

Airlines Efficiency Systems Processing 40

Alex Russell

SEPTEMBER 20, 2020

In '07, safety implied an unacceptable performance hit on slow single-core devices with 128MiB of RAM. New low-end devices are 4-to-8 core, 2GHz systems with 2GiB of RAM. When working well — efficiently applying unobjectionable policy — store screening is invisible to everyone but developers. AAA gaming, CAD). React Native ).

Hardware 64

Hardware Mobile Programming Java 64

The Netflix TechBlog

DECEMBER 23, 2020

By Fabio Kung , Sargun Dhillon , Andrew Spyker , Kyle , Rob Gulewich, Nabil Schear , Andrew Leung , Daniel Muino, and Manas Alekar As previously discussed on the Netflix Tech Blog, Titus is the Netflix container orchestration system. We do this for reliability, scalability, and efficiency reasons.

Media 286

Media Metrics Systems Processing 286

SQL Performance

JUNE 10, 2020

Unlike the conceptual treatment of the data which is based on a mathematical model and a standard language, and hence is very similar in the various relational database management systems out there, the physical treatment of the data is not based on any standard, and hence tends to be very platform-specific. Figure 5: Plan for Query 5.

C++ 109

C++ Database Servers Code 109

SQL Performance

JUNE 10, 2020

Unlike the conceptual treatment of the data which is based on a mathematical model and a standard language, and hence is very similar in the various relational database management systems out there, the physical treatment of the data is not based on any standard, and hence tends to be very platform-specific. Figure 5: Plan for Query 5.

C++ 93

C++ Database Servers Code 93

The Agile Manager

APRIL 26, 2010

It's pretty well established that Agile and Lean IT are more operationally efficient than traditional IT. This operational efficiency generally translates into significant bottom line benefits. and the IT context (how do all these systems actually work together?) They know not only which bit to twiddle, but why.

Government 49

Government Efficiency C++ Software 49

John McCalpin

JANUARY 22, 2018

There was no deep goal — just a desire to see the maximum GFLOPS in action. The exercise seemed simple enough — just fix one item in the Colfax code and we should be finished. For 64-bit floating-point data, the 512-bit Fused Multiply-Add (FMA) instructions performs 16 floating-point operations (8 adds and 8 multiplies).

Latency 40

Latency Hardware Code Testing 40

O'Reilly

JUNE 15, 2023

Efficiency, not human flourishing, is maximized. Governance is not a “once and done” exercise. And we should define current best practices in the management of AI systems and make them mandatory , subject to regular, consistent disclosures and auditing, much as we require public companies to regularly disclose their financials.

Government 98

Government Best Practices Energy Efficiency 98

The Agile Manager

FEBRUARY 23, 2009

There is functional quality (does the application perform the tasks that it needs to perform?) A unit test exercises a specific piece of code, while integration tests validate round trips to other systems, and functional tests validate complete scenarios. and non-functional quality (is it fast? does it scale?

Government 40

Government Metrics Java Code 40

O'Reilly

OCTOBER 19, 2021

The applications must be integrated to the surrounding business systems so ideas can be tested and validated in the real world in a controlled manner. but to reference concrete tooling used today in order to ground what could otherwise be a somewhat abstract exercise. Why did something break? Who did what and when?

DevOps 138

DevOps Software Engineering Infrastructure Open Source 138

All Things Distributed

NOVEMBER 15, 2010

Werner Vogels weblog on building scalable and robust distributed systems. This incredible power is available for anyone to use in the usual pay-as-you-go model, removing the investment barrier that has kept many organizations from adopting GPUs for their workloads even though they knew there would be significant performance benefit.

AWS 136

AWS Latency Programming Architecture 136

Smashing Magazine

NOVEMBER 11, 2021

These terms imply a value system that isn’t exactly conventional, so I owe you an explanation. Data viz solutions are consistent with its purpose; a good balance between efficiency and complexity; Color palette. Red, for instance, is often associated with danger, failure, and poor performance. Mediocre vs Great Dashboard Design.

Design 94

Design Best Practices Efficiency Testing 94

Strategic Tech

DECEMBER 12, 2019

If someone from a different culture with a different naming convention cannot be served by a system, it’s not good business or publicity. It acts as a collaboration tool to balance the need for business correctness, user experience, and technical efficiency. The answer is performance, but more importantly concurrency conflicts.

Healthcare 10

Healthcare Software Architecture Database Software 10

The Netflix TechBlog

MARCH 6, 2019

Mounting object storage in Netflix’s media processing platform By Barak Alon (on behalf of Netflix’s Media Cloud Engineering team) MezzFS (short for “Mezzanine File System”) is a tool we’ve developed at Netflix that mounts cloud objects as local files via FUSE. We use this to debug errors and performance issues in specific mounts.

Media 214

Media Storage Processing Cache 214

The Netflix TechBlog

OCTOBER 21, 2019

As a streaming microservices ecosystem, the Mantis platform provides engineers with capabilities to minimize the costs of observing and operating complex distributed systems without compromising on operational insights. every second counts during an outage. Metrics and logs require that you to know what you want to answer ahead of time.

Open Source 148

Open Source Metrics Engineering Processing 148

The Netflix TechBlog

OCTOBER 21, 2019

As a streaming microservices ecosystem, the Mantis platform provides engineers with capabilities to minimize the costs of observing and operating complex distributed systems without compromising on operational insights. every second counts during an outage. Metrics and logs require that you to know what you want to answer ahead of time.

Open Source 101

Open Source Metrics Engineering Processing 101

The Netflix TechBlog

OCTOBER 21, 2019

As a streaming microservices ecosystem, the Mantis platform provides engineers with capabilities to minimize the costs of observing and operating complex distributed systems without compromising on operational insights. every second counts during an outage. Metrics and logs require that you to know what you want to answer ahead of time.

Open Source 100

Open Source Metrics Engineering Processing 100