SQL Performance

JANUARY 12, 2022

Despite the poor performance, working on the solution is an interesting exercise. Use the following code to create the table and populate it with a small set of sample data: DROP TABLE IF EXISTS dbo. ( ID INT NOT NULL IDENTITY ( 1 , 1 ) CONSTRAINT pk_Auctions PRIMARY KEY CLUSTERED , Code CHAR ( 1 ) NOT NULL.

Code 116

Code Servers Performance Azure 116

The Agile Manager

JANUARY 31, 2017

The distribution operation was built on efficiencies: fill delivery trucks to a minimum of 80% capacity and deliver products to customers on routes optimized for time and energy consumption. Distribution is about efficiency, because efficiency translates into price. At this point, the cracks started to appear.

Retail 45

Retail Energy Logistics Efficiency 45

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! What does the answer to Question 1 imply for assertion checking?

C++ 45

C++ Programming Cache Testing 45

Testsigma

MARCH 6, 2020

Regression testing comprises re-running the test cases of already stable features and finding out if the new code changes attributed to the new release led to any negative impacts on the existing functionalities. Regression checks should start as soon as a new build is released for testing and should be repeated for every new code build.

Best Practices 52

Best Practices Testing Code Testing Tools 52

The Agile Manager

AUGUST 31, 2020

Decades of poor architecture guidelines and lax developer discipline resulted in the commercial-off-the-shelf components of an ERP becoming inseparable from the custom code built around it. The exercise of assessing, modeling and dispositioning the landscape does offer valuable new ways of looking at legacy assets.

Architecture 52

Architecture Code Strategy Programming 52

Dynatrace

JUNE 1, 2023

More than half of CIOs confirmed that they often make tradeoffs among code quality, security, and reliability to meet the need for rapid software delivery. Fitness app : The fitness app should offer a response time of less than 500 milliseconds for exercise tracking and data recording. Thus, an ApDex score of 0.85

Latency 179

Latency Website Traffic Virtualization 179

Dynatrace

JUNE 1, 2023

More than half of CIOs confirmed that they often make tradeoffs among code quality, security, and reliability to meet the need for rapid software delivery. Fitness app : The fitness app should offer a response time of less than 500 milliseconds for exercise tracking and data recording. or above for the checkout process.

Traffic 173

Traffic Latency Website Virtualization 173

Sutter's Mill

FEBRUARY 17, 2020

Otherwise, you’ll either get the implicitly generated move functions, or else requests to move will automatically just do a copy instead, since copy is always a valid implementation of move (it just doesn’t exercise the non- const option). Yes, in my view it does make it a buggy class that shouldn’t pass code review.

C++ 98

C++ Testing Design Strategy 98

SQL Performance

JUNE 10, 2020

That is, does SQL Server perform a substitution process whereby it converts the original nested code into one query that goes directly against the base tables? The answer is simple, to shorten the code by having the inner query use the infamous SELECT *. And if so, is there a way to instruct SQL Server to avoid this unnesting process?

C++ 109

C++ Database Servers Code 109

SQL Performance

JUNE 10, 2020

That is, does SQL Server perform a substitution process whereby it converts the original nested code into one query that goes directly against the base tables? The answer is simple, to shorten the code by having the inner query use the infamous SELECT *. And if so, is there a way to instruct SQL Server to avoid this unnesting process?

C++ 93

C++ Database Servers Code 93

SQL Server According to Bob

JUNE 27, 2016

We developed a friendly competition to break one another’s code. We are a bit wiser (you could take that as older) now and we don’t wait until 5 o’clock but we still try everything we can think of to exercise the code. I quickly got a MacBook and started coding on OS X as well as my Linux VMs, reading articles and books.

Servers 40

Servers Games Azure Software Engineering 40

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. IT is at the center of deal synergy.

Airlines 40

Airlines Efficiency Systems Processing 40

The Agile Manager

DECEMBER 31, 2016

Platforms are conceptually popular with investors: in theory, a platform makes the mundane portions of a business efficient, scalable and adaptable, allowing a company to release the creative talents of its people to pursue growth and innovation. Employees will see replatforming as an exercise in re-creating software.

Innovation 40

Innovation Infrastructure Engineering Software 40

CSS Wizardry

NOVEMBER 3, 2020

So many false starts, tedious workflows, and a complete lack of efficiency really made it difficult for me to find momentum. The whole point of the exercise that follows is to allow me to move quickly, spotting patterns from afar, and not having to do any slow or meticulous work yet. That work is what comes next. Final Word.

Speed 292

Speed Ecommerce Metrics Analytics 292

The Netflix TechBlog

DECEMBER 23, 2020

This abstraction allows the compute team to influence the reliability, efficiency, and operability of the fleet via the scheduler. We do this for reliability, scalability, and efficiency reasons. Let’s go back to that kernel code example earlier. The hosts that run workloads are called Titus “agents.” User Namespaces.

Media 286

Media Metrics Systems Processing 286

Dynatrace

MAY 15, 2020

But outdated security practices pose a significant barrier even to the most efficient DevOps initiatives. We also quickly check for system events and see there were no scheduled code deploys in the last week. PoCs are incredibly powerful as an exercise we do WITH our customers, rather than TO them.

Government 228

Government DevOps Infrastructure Network 228

Dynatrace

APRIL 21, 2022

Performance efficiency. Using high-fidelity metrics, logs, code-level tracing, and a dynamic topology map of your applications, Davis can identify the precise root cause and prioritize its business impact. Performance Efficiency. Design efficient use of your computing resources as demand changes and technologies evolves.

Azure 190

Azure Monitoring Virtualization Metrics 190

The Agile Manager

FEBRUARY 23, 2009

For example, in the Java world we can measure all kinds of attributes of code: overcomplicated expressions, wasteful use of resources, ghost code, duplicate code, complexity, and so forth. Good in the sense that code quality doesn’t need to be taken for granted, because we can measure attributes of the asset we’re creating.

Government 40

Government Metrics Java Code 40

O'Reilly

JUNE 15, 2023

Efficiency, not human flourishing, is maximized. Governance is not a “once and done” exercise. In his book Voices in the Code , James G. There is no perfectly efficient algorithm that gets everything right. The consequences, like those of Midas’s touch, aren’t pretty. Humans are seen as a cost to be eliminated.

Government 98

Government Best Practices Energy Efficiency 98

The Morning Paper

APRIL 16, 2019

Teaching rigorous distributed systems with efficient model checking Michael et al., Consider the lab exercise to implement Paxos. Luckily, code that is readily model checkable usually corresponds to the kind of code we want students to write — code that is as simple as possible with respect to its state graph.

Systems 43

Systems Efficiency Testing Strategy 43

Brendan Gregg

NOVEMBER 13, 2017

Alice is great at fixing hard bugs, writing test suites, doing code merges, and other unglamorous work. Other staff devise processes to work around Bob, reducing the company's efficiency. She should be encouraged to exercise empathy, and to leave others feeling positive and motivated to work harder, rather than demotivated.

Engineering 111

Engineering Energy Technology Technology 111

Percona

AUGUST 8, 2023

Does your traffic increase come with updated code changes that change the queries? In fact, the most common cause of massive CPU increase that I’ve seen isn’t traffic increase; it’s code changes that introduced inefficient revisions to existing queries or new queries. Do these queries use more caches?

Traffic 87

Traffic Cache Monitoring Database 87

The Agile Manager

APRIL 14, 2009

Don't assume that this is simply an exercise in implementing tools, and be prepared to iterate to achieve greater degrees of transparency. If you have well-running Agile projects today with efficient data collection, take your project tracking to the next level. Be aware that there are ramifications to increasing team visibility.

Games 40

Games Government Metrics Testing 40

SQL Performance

NOVEMBER 30, 2021

Code would have to scan the entire list of buffers for the database, looking for buffers that map pages for the allocation unit in question. If you’re interested, I wrote a post a while back with some T-SQL code that scans the buffer pool and gives some metrics, using the DMV sys.dm_os_buffer_descriptors. ) ; GO.

Efficiency 54

Efficiency Servers Database Cache 54

The Netflix TechBlog

FEBRUARY 10, 2021

It can be a nightmare to work efficiently. We wanted a way to ensure that we can have a consistent user experience while also sharing as much code as possible. Hawkins is the namesake that established the basis for a design system used across the Netflix Studio ecosystem.

Design 230

Design Systems Engineering Entertainment 230

The Agile Manager

OCTOBER 28, 2007

They go on to report that 70% of the cases of these 7 chronic illnesses are preventable through lifestyle change: diet, exercise, avoiding cigarettes and what not. In lifestyle terms, I may avoid certain actions that may cause cancer, but if cancer is written into my genetic code the deck is stacked against me.

Government 40

Government Retail Energy Code 40

Sutter's Mill

MAY 1, 2023

This update covers Acknowledgments, and highlights of what’s new in the compiler and language since last time, including: simple, mathematically safe, and efficient chained comparisons named break and continue “simple and safe” starts with. In today’s C++, this kind of comparison silently compiles but is a bug.

C++ 97

C++ Virtualization Lambda Code 97

O'Reilly

OCTOBER 19, 2021

If you peek under the hood of an ML-powered application, these days you will often find a repository of Python code. Let’s start by considering the job of a non-ML software engineer: writing traditional software deals with well-defined, narrowly-scoped inputs, which the engineer can exhaustively and cleanly model in the code.

DevOps 138

DevOps Software Engineering Infrastructure Open Source 138

CSS - Tricks

APRIL 1, 2021

With all of this in mind, I thought improving the speed of my own version of a slow site would be a fun exercise. The code for the site is available on GitHub for reference. I found a lot of value in the Coverage panel in DevTools because it will show just how much code is being used after everything’s downloaded.

Cache 92

Cache Social Media Media Website 92

SQL Performance

APRIL 14, 2021

I also love his efficient and eloquent writing style. Use the following code to test the function with the variable assignment technique: DECLARE @n AS BIGINT ; SELECT @n = n FROM dbo. Here’s the code to test the function using the variable assignment technique: DECLARE @n AS BIGINT ; SELECT @n = n FROM dbo. NullBits102400 ; GO.

C++ 112

C++ Servers Testing Code 112

Alex Russell

AUGUST 30, 2021

Anyone who cares to download and fork the code can do so. " The eventual Blink fork was precipitated by an insurmountable difficulty in doing precisely what Apple suggested to Congress: contributing code upstream to WebKit to enable new features. It's worth assessing these claims from most easily falsified to most contested.

Engineering 98

Engineering Open Source Website Operating System 98

Dynatrace

JUNE 1, 2021

Causes can run the gamut — from coding errors to database slowdowns to hosting or network performance issues. Millions of lines of code comprise these apps, and they include hundreds of interconnected digital services and open-source solutions , and run in containerized environments hosted across multiple cloud services.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

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? Interacting components in the execution of an MPI job — a brief outline (from memory): The user source code, which contains an ordered set of calls to MPI routines.

Hardware 40

Hardware Transportation Performance Latency 40

Alex Russell

SEPTEMBER 20, 2020

Circa '07, those web apps were notably slower than native code could be. Sandboxing is now universal (tho quality may differ) and we collectively got savvy about running code quickly while retaining memory safety. When working well — efficiently applying unobjectionable policy — store screening is invisible to everyone but developers.

Hardware 64

Hardware Mobile Java Programming 64

John McCalpin

JANUARY 22, 2018

Introduction: In December 2017, my colleague Damon McDougall (now at AMD) asked for help in porting the fused multiply-add example code from a Colfax report ( [link] ) to the Xeon Phi x200 (Knights Landing) processors here at TACC. Instead, we found puzzle after puzzle. Instead, we found puzzle after puzzle.

Latency 40

Latency Hardware Code Testing 40

The Agile Manager

JUNE 26, 2010

A business requirement to algorithmically trade based on fluctuations in MACD , volume weighted average price and sunspot activity has a pretty clear business value: analysis before we code it tells us some combination of market and cosmic events leads to some occasional market condition that we expect we can capitalize on.

Software 40

Software Software Technology Technology 40

Strategic Tech

DECEMBER 12, 2019

We have to specify with great precision in code exactly what our business rules are, and the computer will apply them exactly as we tell it to. It acts as a collaboration tool to balance the need for business correctness, user experience, and technical efficiency. Domain-Driven Design’s Aggregate pattern is used to bridge the gap.

Healthcare 10

Healthcare Software Architecture Database Software 10