Percona

AUGUST 22, 2023

Estimates vary, but most reports put the average cost of unplanned database downtime at approximately $300,000 to $500,000 per hour, or $5,000 to $8,000 per minute. With so much at stake, database high availability and fault tolerance have become must-have items, but many companies just aren’t certain which one they must have.

Availability 79

Availability Hardware Open Source Database 79

SQL Performance

OCTOBER 18, 2022

In my examples, I’ll use the sample database TSQLV6. You can download the script file to create and populate this database here and find its ER diagram here. Important: All testing of examples in this article was done on SQL Server 2022 RC1. I’ll also describe cases where you might still need to use the older workaround.

Servers 144

Servers Code Best Practices Database 144

Percona

MAY 15, 2023

The main reason behind this is that MySQL is a relational database system (RDBMS), and any data that is going to be written in it must respect the RDBMS rules. MySQL, as well as other RDBMS, are designed to work respecting the model and cannot scale in any way by fragmenting and distributing a schema, so what can be done to scale?

Traffic 123

Traffic Scalability Database Servers 123

O'Reilly

JUNE 27, 2023

Here’s the catch: for every one of your users who has read a “Here’s how ChatGPT and Midjourney can do half of my job” article, there may be at least one who has read one offering “Here’s how to get AI chatbots to do something nefarious.” So, what do you do? That code was too trusting, though.

Social Media 89

Social Media Media Website Database 89

Highly Scalable

AUGUST 20, 2013

It became clear that real-time query processing and in-stream processing is the immediate need in many practical applications. The design of the in-stream processing engine itself was driven by the following requirements: SQL-like functionality.

Big Data 154

Big Data Processing Lambda Database 154

SQL Performance

AUGUST 1, 2022

In this article, I focus on the distinct predicate and the approximate percentile functions. In this article, I focus on the distinct predicate and the approximate percentile functions. I’ll cover the other improvements in future articles since there’s a lot to say about those. You can download this sample database here.

Servers 142

Servers Testing C++ Code 142

Highly Scalable

MARCH 1, 2012

NoSQL databases are often compared by various non-functional criteria, such as scalability, performance, and consistency. At the same time, NoSQL data modeling is not so well studied and lacks the systematic theory found in relational databases. Many techniques that are described below are perfectly applicable to this model.

Database 279

Database Ecommerce Efficiency Engineering 279

SQL Performance

MARCH 8, 2021

This article aims to help you understand where the timings come from in each case, and how they can be best interpreted in context. The following examples use the public Stack Overflow 2013 database ( download details ), with a single index added: CREATE INDEX PP ON dbo. Compatibility level 150 is used exclusively. TheYear , CA.

Servers 95

Servers Tuning Architecture Processing 95

Apica

JANUARY 6, 2023

The fundamental lesson across both articles is that the software quality buck stops with the user. Behind the scenes, each component must deliver on its requirements, and thus engineering teams must test each component – from database to cloud service to middleware to front-end – in order to ensure the UX is up to snuff.

Best Practices 52

Best Practices Media Software Software 52

O'Reilly Software

MARCH 7, 2018

In addition to that, software is increasingly dependent on other software to provide its functionality, be it WebServices, HTTP APIs, databases, or even external devices such as sensors. In this article, we will discuss the need for—and how to achieve—modernization in the field of enterprise integration.

Transportation 72

Transportation Java Programming Architecture 72

CSS Wizardry

JANUARY 31, 2019

If you’re streaming video, the difference between a 2Mb 1 connection and a 20Mb connection will surely be appreciated. so what we’re really looking to do is reduce the amount of transfer. When it comes to network performance, there are two main limiting factors that will slow you down: bandwidth and latency. Bandwidth is defined as….

Latency 133

Latency Network Speed Servers 133

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. This article is dedicated to such a case—specifically, a standard SQL feature related to window functions called the GROUPS window frame option. So you have to come up with a supported alternative.

C++ 112

C++ Code Azure Database 112

Tasktop

AUGUST 12, 2022

Integration allows information to flow seamlessly from tool to tool, knitting your software delivery toolchain into a single connected value stream. . In this article, we’ll take you through pros and cons of the four types of app integrations used in the software development life cycle. . What is application integration? .

Software 52

Software Software DevOps Strategy 52

Enprowess

SEPTEMBER 7, 2021

Let’s know what it means. If you wish to find out which one to choose for your next project, read this article. What is Node.js? – Streaming web applications. Quick summary : Node vs React Comparison is not correct because both technologies are entirely different things. and React have the same story: Node.js JavaScript.

Open Source 52

Open Source Virtualization Programming Servers 52

Highly Scalable

MAY 1, 2012

On the other hand, when one is interested only in simple additive metrics like total page views or average price of conversion, it is obvious that raw data can be efficiently summarized, for example, on a daily basis or using simple in-stream counters. what is the cardinality of the data set)?

Analytics 191

Analytics Traffic Big Data Efficiency 191

Official Blog - World Web Technology

FEBRUARY 23, 2023

Search engine optimization is undoubtedly one of the best digital marketing approaches. It has carved a niche for itself by offering a wide range of benefits to businesses. With a carefully crafted SEO strategy, you can rank your website at the top of the search engine results for relevant keywords. The top three results in Google SERPs get 54.4%

Google 52

Google Traffic Social Media Website 52

SQL Performance

MAY 12, 2021

In this article we’ll put this intuitive assumption to the test. 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. USE testdb ; GO.

C++ 111

C++ Servers Database Code 111

Smashing Magazine

JANUARY 6, 2020

How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like?

Performance 145

Performance Cache Network Metrics 145

SQL Performance

AUGUST 14, 2019

This article is the fourth installment in a series about T-SQL bugs, pitfalls and best practices. The focus of this month's article is bugs, pitfalls and best practices related to window functions. In my examples I'll use a sample database called TSQLV5. Previously I covered determinism , subqueries and joins.

Best Practices 108

Best Practices Servers Database Azure 108

All Things Distributed

JANUARY 29, 2017

This article titled " Überlebensstrategie für die digitale Transformation " appeared in German last week in the "Die Zukunft beginnt heute (the future starts today)" section of Wirtschaftwoche. Smaller companies have a lot to gain in the digital era – provided they adopt the right mindset. The digital era is here.

Strategy 112

Strategy Innovation Entertainment Hardware 112

SQL Performance

MAY 1, 2019

That said, this article is purely concerned with providing new details about minimal logging when bulk loading traditional (not “memory-optimized”) heap tables using INSERT.SELECT. The following demo script should be run on a development instance in a new test database set to use the SIMPLE recovery model. Introduction. Heap tables.

Servers 47

Servers Database Testing Performance 47

Smashing Magazine

JANUARY 7, 2019

How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like?

Performance 103

Performance Cache Metrics Network 103

HammerDB

NOVEMBER 5, 2018

If you are new to running Oracle, SQL Server, MySQL and PostgreSQL TPC-C workloads with HammerDB and have needed to investigate I/O performance the chances are that you have experienced waits on writing to the Redo, Transaction Log or WAL depending on the database you are testing.

Benchmarking 40

Benchmarking Database C++ Virtualization 40

The Netflix TechBlog

AUGUST 1, 2022

stream processing) is one of the key factors that enable Netflix to maintain its leading position in the competition of entertaining our users. Our previous generation of streaming pipeline solution Keystone has a proven track record of serving multiple of our key business needs. This article gives an overview of the system.

Processing 272

Processing Transportation Entertainment Tuning 272

Strategic Tech

JULY 21, 2020

Before jumping into either of those scenarios, have a look at what Strategic Domain-Driven Design can offer you. What’s the business vision? What’s the business vision? What architecture will be optimal for enabling that business vision? I’ve seen some organisations deliver hugely impressive modernisation programmes.

Architecture 98

Architecture Design Software Architecture Strategy 98

SQL Server According to Bob

JANUARY 11, 2020

KB sectors run on smaller sectors   14 System and sample databases   15 Determining the formatted sector size of database   15 What sector sizes does SQL Server support? This White Paper is for informational purposes only. Complying with all applicable copyright laws is the responsibility of the user.

Servers 40

Servers Cache Database Media 40

The Symphonia

DECEMBER 13, 2017

A thousand-times scaled Lambda could easily cause significant performance problems to a modest SQL database server. A thousand-times scaled Lambda could easily cause significant performance problems to a modest SQL database server. As I said in the article: There is nothing we can do, from a lambda scaling point of view, to stop this.

Lambda 40

Lambda AWS Architecture Database 40

Tasktop

FEBRUARY 26, 2020

As the leader in value stream integration, Tasktop helps leading enterprises connect their toolchains –including nearly 50% of the Fortune 100. As the leader in value stream integration, Tasktop helps leading enterprises connect their toolchains –including nearly 50% of the Fortune 100.

Efficiency 52

Efficiency Software Software Azure 52

SQL Performance

JULY 8, 2020

This article is the fourth part in a series on table expressions. In my examples I’ll use sample databases called TSQLV5 and PerformanceV5. What actually happens is that the query parsing process produces an initial tree of logical operators closely reflecting the original query. Unnesting/substitution.

Servers 110

Servers Code Processing Performance 110

Alex Russell

JUNE 22, 2022

Yes, that's right: I read the comments on a MacRumors article. " Browsers Are Big Business WebKit Is No Charity Choices, Choices Recent Developments How Apple Gutted Mozilla's Chances Back Of The Napkin The Best Kind Of Correct What Now? What are those mechanisms? Gentle reader, I made a terrible mistake. Instead, Fruit Co.

Engineering 110

Engineering Traffic Government Google 110

SQL Performance

JANUARY 13, 2021

Initially I thought of writing just one article to summarize the ideas people submitted, but there were too many. So I’ll split the coverage to several articles. Last month I posted a challenge to create an efficient number series generator. The responses were overwhelming. This is so exciting! Itzik’s original solutions.

C++ 113

C++ Code Testing Processing 113

Smashing Magazine

AUGUST 3, 2023

It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. How We Optimized Performance To Serve A Global Audience How We Optimized Performance To Serve A Global Audience Liran Cohen 2023-08-03T10:00:00+00:00 2023-08-03T13:06:00+00:00 I work for Bookaway , a digital travel brand.

Performance 74

Performance Cache Traffic Metrics 74

Testsigma

FEBRUARY 3, 2021

But here, because in this article, we will keep the scope limited to mobile. . Today we are using mobile phones for social media, shopping, banking, movies, online meetings, emails, and whatnot. Can we have a single day in our life without a mobile phone today? You’d be thinking of a no right? Something like ‘it’s near to impossible’.

Mobile 82

Mobile Testing Hardware C++ 82

SQL Performance

APRIL 13, 2022

It’s based on a question from a public database forum. Recently, I was introduced to a new islands challenge by my friend Erland Sommarskog. The challenge itself isn’t complicated to handle when using well-known techniques, which primarily employ window functions. This affects the scalability and response time of the solutions. The challenge.

C++ 136

C++ Strategy Testing Servers 136

All Things Distributed

NOVEMBER 19, 2010

In an in-depth article on Streaming Media Dan Rayburn analyzed the impact of Amazon Cloudfront move to GA: Amazons CDN Gets More Competitive, Adds SLA, New Edge Locations, Lower Pricing. Understanding Throughput-Oriented Architectures - background article in CACM on massively parallel and throughput vs latency oriented architectures.

AWS 68

AWS Cloud Benchmarking Storage 68

SQL Server According to Bob

DECEMBER 18, 2018

Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently. Microsoft SQL Server Database Engine Input/Output Requirements. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. The Back Story. Description.

Servers 90

Servers Media Cache Storage 90

The Symphonia

DECEMBER 6, 2017

We’re not sure why these two aspects were combined (we assume it’s related to implementation, and isolation of functions) and we’ll be writing another article on this new double-feature soon. It’s funny to think that AWS Lambda was announced at re:Invent only 3 years ago?—?the It’s no longer a niche technology for enthusiasts?—?it’s

Serverless 40

Serverless Lambda AWS Traffic 40