Dynatrace

MAY 23, 2022

IDC predicted, by 2022, 90% of all applications will feature microservices architectures that improve the ability to design, debug, update, and use third-party code. Monolithic architecture is development where an application is built on a single codebase, and the code is unilateral. Less code and stack lock-in.

Architecture 191

Architecture DevOps Monitoring Programming 191

SQL Performance

JULY 13, 2022

This could also happen if you need to migrate code written for another database platform with a different dialect of SQL to T-SQL. Use the following code to create the Orders table and populate it with a small set of sample data to help you verify the validity of the solutions: SET NOCOUNT ON ; USE tempdb ; DROP TABLE IF EXISTS dbo.

C++ 112

C++ Code Azure Database 112

SQL Performance

JUNE 10, 2020

The relational model and the standard querying language that is based on it are supposed to deal only with the conceptual aspects of the data and leave the physical implementation details like storage, optimization, access and processing of the data to the database platform (the implementation ). Persistency.

C++ 93

C++ Database Servers Code 93

SQL Performance

MAY 12, 2021

I’ll do my testing in a database called testdb. Use the following code to create the database if it doesn’t exist, and to enable I/O and time statistics: -- DB and stats. IF DB_ID ( 'testdb' ) IS NULL CREATE DATABASE testdb ; GO. And here’s the code with the function’s definition: CREATE OR ALTER FUNCTION dbo.

C++ 111

C++ Servers Database Code 111

SQL Performance

OCTOBER 13, 2021

In my examples I’ll use a sample database called TSQLV5. Like views, iTVFs are created as a permanent object in the database, and therefore are reusable by users who have permissions to interact with them. Before implementing the function itself, here’s code to create a supporting index on the Sales.Orders table: USE TSQLV5 ; GO.

Cache 144

Cache Strategy C++ Code 144

SQL Performance

MAY 11, 2022

By following some basic tips you can sometimes reduce the number of explicit sort operators, which can, of course, have a major impact on the performance of the query. In my examples, I’ll use the sample database PerformanceV5. You can download the source code to create and populate this database here.

C++ 133

C++ Database Servers Code 133

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. All the databases that HammerDB tests implement a form of MVCC (multi-version concurrency control). On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute.

Programming 67

Programming Benchmarking Virtualization C++ 67

SQL Performance

NOVEMBER 11, 2020

In my examples I’ll continue using the sample database TSQLV5. WITH C AS ( SELECT SYSDATETIME ( ) AS dt ) SELECT @i += 1 FROM C WHERE dt = dt ; PRINT @i ; GO. -- Batch 3. How many iterations did the code report? Try running the code and see that it stops at some point. dt and the other with C2.dt.

C++ 122

C++ Code Storage Processing 122

SQL Performance

OCTOBER 9, 2019

In my examples I'll use a sample database called TSQLV5. You can find the script that creates and populates this database here , and its ER diagram here. Employees ; The next step is of course mindreading. As an example, suppose that you need to perform some task per database in your instance. That's pretty neat!

C++ 111

C++ Database Servers Code 111

SQL Performance

APRIL 13, 2022

It’s based on a question from a public database forum. Use the following code to create a table called T1 and populate it with a small set of sample data: SET NOCOUNT ON ; USE tempdb ; DROP TABLE IF EXISTS dbo. Use the following code to create the helper function GetNums: CREATE FUNCTION dbo. L0 AS ( SELECT 1 AS c.

C++ 136

C++ Strategy Testing Servers 136

SQL Performance

JULY 1, 2021

Let's create a simple database with a few tables: CREATE DATABASE BadIdeas ; GO. Here is a query to help you track them down using the sys.columns catalog view, but you're on your own for any explicit references that might exist in your application code: SELECT [ Schema ] = s. name , [ Column ] = c.

C++ 58

C++ Database Servers Performance 58

SQL Performance

MAY 13, 2020

I just wanted to mention some use cases here to illustrate how important table expressions are in our T-SQL code, and why it's worthwhile to invest in understanding their fundamentals well. In my examples I'll use a sample database called TSQLV5. C is what's known as a range variable. C is what's known as a range variable.

C++ 143

C++ Code Design Servers 143

SQL Performance

JANUARY 13, 2021

Here’s the code to create the dummy table: CREATE TABLE dbo. BatchMe ( col1 INT NOT NULL , INDEX idx_cs CLUSTERED COLUMNSTORE ) ; And here’s the code defining the dbo.GetNumsItzikBatch function: CREATE OR ALTER FUNCTION dbo. L0 AS ( SELECT 1 AS c. L0 AS ( SELECT 1 AS c. BatchMe ON 1 = 0.

C++ 113

C++ Code Testing Processing 113

CSS Wizardry

NOVEMBER 3, 2020

I can see from the screenshot above that TTFB is my most stable metrics—no one page appears to have particularly expensive database queries or API calls on the back-end. I want to be able to form hypotheses and draw conclusions without viewing a single URL or a line of source code. That work is what comes next. Final Word.

Speed 292

Speed Ecommerce Metrics Analytics 292

Percona

JUNE 4, 2023

Before we dive into the differences between MariaDB and MySQL, we will provide a thorough examination of each relational database management system (RDBMS). While originally designed to be a drop-in replacement for MySQL, it evolved into its own distinct database management system and is now maintained and supported by the MariaDB Foundation.

Open Source 52

Open Source Servers Storage Scalability 52

The Morning Paper

JANUARY 28, 2020

In databases you probably know it as stored procedures. " Running end-user compute inside the datastore is not without its challenges of course. A tenant should not be able to see the code or data of other tenants (isolation). Shredder’s novelty lies in a new implementation of an old idea. High performance.

Serverless 99

Serverless Storage Latency Cloud 99

SQL Performance

MAY 8, 2019

Run the following code to create a helper function called GetNums, and to create and populate the Customers and Orders tables: SET NOCOUNT ON ; USE tempdb ; GO. GetNums ( 1 , 100 ) AS C WHERE C. However, the code uses custid in both the outer and inner queries. Substitution error. DROP TABLE IF EXISTS dbo.

Best Practices 68

Best Practices C++ Code Servers 68

Adrian Cockcroft

JUNE 21, 2022

I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R. We had specializations in hardware, operating systems, databases, graphics, etc. It was the first database sizing guide Sun had ever produced.

Tuning 52

Tuning Benchmarking Engineering C++ 52

SQL Performance

DECEMBER 11, 2019

Even among people who do have a good grasp of relational theory and SQL, you will hear very strong opinions both in favor and against using NULLs in your database. In my examples I'll use a sample database called TSQLV5. You can find the script that creates and populates this database here , and its ER diagram here.

Best Practices 117

Best Practices C++ Database Code 117

Testsigma

FEBRUARY 3, 2021

Unit Testing – Developers execute unit tests for the smallest unit of code, whenever they commit new code in the code repository. We may ask our users to use the app for searching a course of their choice and take a few classes on it after making the payment. This includes- database, memory, CPU usage etc.

Mobile 82

Mobile Testing Hardware C++ 82

Highly Scalable

JUNE 5, 2012

Intersection of sorted lists is a cornerstone operation in many applications including search engines and databases because indexes are often implemented using different types of sorted structures. Performance of this procedure both in C and Java will be evaluated in the last section.

C++ 102

C++ Java Performance Testing Efficiency 102

SQL Performance

SEPTEMBER 2, 2021

A lot of things change over the course of a few major versions of our favorite database platform. SQL Server Split String Replacement Code with STRING_SPLIT. So I took Adam's function, compiled the code to a DLL ( using csc ), and deployed just that file to the server. all_columns AS c WHERE EXISTS. (

C++ 59

C++ Servers Testing Database 59

Particular Software

OCTOBER 3, 2017

Code that had duplication all over the place? Chances are you were dealing with legacy code that was written years ago. In my 15+ years of coding, every single time I've dealt with legacy code, fear, anger, hate, and suffering were pretty common. Anger : I get angry when I see code repeated all over the place.

Architecture 49

Architecture Database Code Systems 49

Testsigma

JUNE 15, 2021

Of course, automation is no stranger to this process of evolution. Based on that, developers should turn in their code, ensuring enough time for the testers to carry out dependent testing activities. It supports tech stacks such as.NET, C#, HTML5, Java, etc. Features: Provar is a low code testing tool. Sign up Now.

Testing 52

Testing DevOps Mobile Testing Tools 52

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Webpack Fundamentals is a very comprehensive 4h course with Sean Larkin, released by FrontendMasters.

Performance 104

Performance Cache Network Metrics 104

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It’s much easier to reach performance goals when the code base is fresh or is just being refactored.

Performance 145

Performance Cache Network Metrics 145

Scalegrid

AUGUST 15, 2019

In this article, we are going to compare 6 of the top MongoDB Graphical User Interfaces that help developers increase their productivity and manage their database. It’s further enhanced by an in-place code editor which is also available in all three views. Comparing MongoDB GUIs. Click To Tweet.

Database 40

Database Servers Monitoring Availability 40

Smashing Magazine

OCTOBER 26, 2018

When it comes down to how WordPress is programmed, one thing is certain: it doesn’t follow the M odel- V iew- C ontroller (MVC) design pattern that many developers are familiar with. Before we delve deeper in the code, a couple more things about WordPress REST API. Of course, this is where good planning is crucial.

Cache 78

Cache Website Speed Database 78

Brendan Gregg

FEBRUARY 9, 2018

Plotting the percent performance loss vs syscall rate per CPU, for my microbenchmark: Applications that have high syscall rates include proxies, databases, and others that do lots of tiny I/O. Hit Ctrl-C to end. At 50k syscalls/sec per CPU the overhead may be 2%, and climbs as the syscall rate increases.

Performance 75

Performance Benchmarking Cache Tuning 75

Brendan Gregg

FEBRUARY 8, 2018

Plotting the percent performance loss vs syscall rate per CPU, for my microbenchmark: Applications that have high syscall rates include proxies, databases, and others that do lots of tiny I/O. Hit Ctrl-C to end. At 50k syscalls/sec per CPU the overhead may be 2%, and climbs as the syscall rate increases.

Performance 40

Performance Benchmarking Cache Tuning 40

Alex Russell

MAY 9, 2022

Who owns this code? Folks at this level of awareness might also simply assume that "it's the web, of course it's slow" and reach for native apps as a panacea (they aren't). This blindspot usually extends up to the C-suite. Organisations sometimes spiral into recrimination and mistrust. Why is it there?

Performance 86

Performance Latency Metrics Engineering 86

O'Reilly

FEBRUARY 18, 2020

But Go is now the sixth most-used programming language, trailing only Python, Java,NET, and C++. Starting with data engineering, the backbone of all data work (the category includes titles covering data management, i.e., relational databases, Spark, Hadoop, SQL, NoSQL, etc.). In aggregate, data engineering usage declined 8% in 2019.

Software Architecture 134

Software Architecture DevOps Data Engineering Architecture 134

Highly Scalable

MAY 1, 2012

This process is illustrated in the following code snippet: class LinearCounter { BitSet mask = new BitSet(m) // m is a design parameter void add(value) { int position = hash(value) // map the value to the range 0.m This technique is shown in the code snippet below. m mask.set(position) // sets a bit in the mask to 1 } }. References.

Analytics 191

Analytics Traffic Big Data Efficiency 191

O'Reilly

MARCH 23, 2023

It can explain code that you don’t understand, including code that has been intentionally obfuscated. Sydney The internal code name of the chatbot behind Microsoft’s improved search engine, Bing. Bard Google’s code name for its chat-oriented search engine, based on their LaMDA model, and only demoed once in public.

Google 104

Google Open Source Programming Code 104

All Things Distributed

APRIL 27, 2011

To our shareowners: Random forests, naïve Bayesian estimators, RESTful services, gossip protocols, eventual consistency, data sharding, anti-entropy, Byzantine quorum, erasure coding, vector clocks. To do so, weve leaned heavily on the core principles from the distributed systems and database research communities and invented from there.

Technology 151

Technology Technology AWS Storage 151

Smashing Magazine

NOVEMBER 30, 2021

Adding A Dyslexia-Friendly Mode To A Website written by John C Barstow. So for example, I think the king of this hill is probably Preact, which is a three kilobyte alternative to React that uses the same API, ships way less code and actually runs orders of magnitude faster on safe updates than React does too. Transcript. It just works.

Technology 94

Technology Technology Servers Code 94

Strategic Tech

JUNE 23, 2018

Whenever a team starts on a piece of work they should own all of the code and infrastructure that needs to change in order to deliver the work. I’ve seen a number of systems where the thinking was “our monoliths are so big we’re going to put all new code in a new codebase”. People in the team can’t keep up .

Systems 40

Systems Social Media Design Media 40