Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. top(1) showed that only the Cassandra database was consuming CPU. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? What on Earth is Ubuntu doing that results in 30% higher CPU time!?

Speed 52

Speed Java AWS Virtualization 52

CSS Wizardry

JULY 23, 2023

Google do strongly encourage you to focus on site speed for better performance in Search, but, if you don’t pass all relevant Core Web Vitals (and the applicable factors from the Page Experience report) they will not push you down the rankings. While Core Web Vitals can help with SEO, there’s so much more to site-speed than that.

Engineering 246

Engineering Google Speed Mobile 246

The Morning Paper

SEPTEMBER 19, 2019

We’ve been covering papers from VLDB 2019 for the last three weeks, and next week it will be time to mix things up again. MongoDB is an important database, and this paper explains the tunable (per-operation) consistency models that MongoDB provides and how they are implemented under the covers. Do we want that? Yes please!

Blockchain 46

Blockchain Hardware Google Analytics 46

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. top(1) showed that only the Cassandra database was consuming CPU. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? What on Earth is Ubuntu doing that results in 30% higher CPU time!?

Speed 40

Speed Java AWS Virtualization 40

Percona

DECEMBER 20, 2018

Let’s look at some of the most popular Percona Database Performance Blog posts in 2018. With the Percona Database Performance Blog, Percona staff and leadership work hard to provide the open source community with insights, technical support, predictions and metrics around multiple open source database software technologies.

Database 40

Database Tuning Performance AWS 40

SQL Performance

MARCH 17, 2020

This follow-up post revisits the question for SQL Server 2019, using a larger number of rows. I will be using the 50GB Stack Overflow 2013 database , but any large table with a low number of distinct values would do. The Stack Overflow 2013 database comes without nonclustered indexes to minimize download time. Test Environment.

Servers 86

Servers Tuning Database Efficiency 86

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Start Render time, Speed Index ). Vitaly Friedman. Web performance is a tricky beast, isn’t it? Intended as a RUM metric only.

Performance 104

Performance Cache Network Metrics 104

The Morning Paper

JULY 11, 2019

View-centric performance optimization for database-backed web applications Yang et al., you are doing the count in the database, right?). speed up on the server side and 4.5× speed up for end-to-end page load time. cant portion of the page load time. (In Content removal (e.g., As shown in Table II, the performance bene?ts

Database 47

Database Performance Speed Servers 47

Dynatrace

SEPTEMBER 23, 2021

In 2019, Gartner reported that 30% of organizations worldwide were running containerized applications. In fact, in our recent CISO research, 28% of CISOs told us that application teams sometimes bypass these types of tests to speed up delivery. Dynatrace news. Containers have become hugely popular. Manage secrets.

Open Source 258

Open Source Benchmarking Best Practices Network 258

Smashing Magazine

MAY 5, 2021

However, in our pages, the case was different as our database stores lots of data, and we need to serve thousands of landing pages at scale. In 2019, we sold 500k tickets a year, so our operations are complex and we need to showcase it with our landing pages in an appealing and fast manner. How about errors?”

Google 111

Google Architecture Servers Speed 111

Scalegrid

OCTOBER 2, 2019

October 2, 2019 – ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Redis on Azure service. Redis, the #1 key-value store and top 10 database in the world, has grown by over 300% in popularity over that past 5 years, per the DB-Engines knowledge base.

Azure 37

Azure Cloud Open Source Virtualization 37

HammerDB

JUNE 27, 2022

This post is targeted towards the questions most often asked by non-technical management who want to get up to speed on what HammerDB is (what it isn’t) and how it can benefit their organization. HammerDB is a software application for database benchmarking. What is HammerDB? Why HammerDB was developed. The HammerDB name.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

SQL Performance

FEBRUARY 3, 2020

Applying page or row compression (both online/offline) to the source before the affinitized copy (offline), to see if compressing the data first could speed up the destination. I was smart and took a backup of the original source, and created a procedure to revert the database back to its initial state. tblOriginal.

Speed 113

Speed Processing Servers Storage 113

SQL Performance

JULY 16, 2019

Now, I am advising people to strongly consider AMD for SQL Server workloads as the AMD EPYC "Rome" processors are released in Q3 of 2019. This made it easier for database professionals to make the case for a hardware upgrade, and made the typical upgrade more worthwhile. So, what has changed my mind? The Death of Tick-Tock.

Servers 46

Servers Hardware Architecture Retail 46

O'Reilly

OCTOBER 31, 2019

Most of what we do on our computers—fancy graphics, email, databases, building websites, data analysis, digital signal processing—can’t be done with quantum computing. Quantum computing is useful to speed up a relatively small number of very difficult computational problems that can’t be solved on classical computers. Mike Loukides.

Artificial Intelligence 53

Artificial Intelligence Google Software Architecture Cloud 53

High Scalability

OCTOBER 3, 2019

ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Redis on Azure service. Redis, the #1 key-value store and top 10 database in the world, has grown by over 300% in popularity over that past 5 years, per the DB-Engines knowledge base.

Azure 23

Azure Cloud Open Source Cache 23

SQL Performance

MARCH 8, 2021

The following examples use the public Stack Overflow 2013 database ( download details ), with a single index added: CREATE INDEX PP ON dbo. They are run on SQL Server 2019 CU9 , on a laptop with 8 cores, and 16GB of memory allocated to the SQL Server 2019 instance. Compatibility level 150 is used exclusively. TheYear , CA.

Servers 95

Servers Tuning Architecture Processing 95

HammerDB

OCTOBER 18, 2019

HammerDB doesn’t publish competitive database benchmarks, instead we always encourage people to be better informed by running their own. rc3-custom #1 SMP Mon Aug 12 14:07:33 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Welcome to Ubuntu 19.04 (GNU/Linux 5.3.0-rc3-custom uname -a Linux ubuntu19 5.3.0-rc3-custom rc3-custom x86_64).

Benchmarking 63

Benchmarking Performance Hardware C++ 63

SQL Performance

APRIL 8, 2019

This processor has a base clock speed of 2.0GHz, with an all-core boost speed of 2.55GHz, and a max boost clock speed of 3.0GHz. Both of these Intel processors are special bespoke models that are not in the Intel ARK database. The L3 cache size is 64MB. lanes for I/O connectivity. The L3 cache size is 64MB.

Azure 42

Azure Virtualization Storage Benchmarking 42

Smashing Magazine

OCTOBER 29, 2018

2019-04-29T18:34:58+00:00. Without being able to measure the speed at which something is working, we can’t tell if the changes being made are improving the performance, having no effect, or even making things worse. Measuring Performance With Server Timing. Drew McLellan. 2018-10-30T03:40:14+02:00.

Servers 87

Servers Performance Metrics Database 87

Alex Russell

MARCH 6, 2021

India has been the epicentre of smartphone growth in recent years, owing to the sheer size of its market and an accelerating shift away from feature phones which made up the majority of Indian mobile devices until as late as 2019. So what did $150USD fetch in 2019? The smooth, dulcet tones of 2019's Moto E6. " package.

Performance 124

Performance Network Cache Metrics 124

Enprowess

JANUARY 12, 2022

Web development is evolving at a rapid speed with each passing year. And so, it optimizes the page loading speed and reduces the bounce rate. So it is convenient for all to use irrespective of internet speed and it works offline using cached data. Blockchain technology is an encrypted database storage system. Conclusion.

Blockchain 59

Blockchain IoT Development Serverless 59

Smashing Magazine

OCTOBER 26, 2018

2019-04-29T18:34:58+00:00. It’s an all-in-one system that is equipped with a working admin interface; it manages database connection, and has a bunch of useful APIs exposed that handle user authentication, routing, and more. Since they can store transients in memory instead of a database. Denis Žoljom. 2018-10-26T13:45:46+02:00.

Cache 78

Cache Website Speed Database 78

The Morning Paper

SEPTEMBER 12, 2019

Declarative recursive computation on an RDBMS… or, why you should use a database for distributed machine learing Jankov et al., Machine learning inside a relational database has been done before, most notably in the form of MADlib , which was integrated into Greenplum during my time at Pivotal. VLDB’19.

Network 44

Network Database Programming Hardware 44

Smashing Magazine

JANUARY 21, 2019

2019-01-21T13:00:21+01:00. 2019-04-29T18:34:58+00:00. This article was updated on January 31, 2019 to react to readers’ feedback. Following, the API will add the database object data. In other words, database object data is normalized. Introducing The Component-Based API. Introducing The Component-Based API.

Social Media 64

Social Media Database Media Website 64

SQL Performance

AUGUST 27, 2019

On August 7, 2019, AMD finally unveiled their new 7nm EPYC 7002 Series of server processors, formerly code-named "Rome" at the AMD EPYC Horizon Event in San Francisco. Single-Socket Database Servers. Higher memory speed and bandwidth. Single-threaded CPU performance is the one relative weak point of the AMD EPYC 7742 processor.

Servers 52

Servers Benchmarking Virtualization Architecture 52

HammerDB

OCTOBER 12, 2018

Similarly for this guide MySQL can be swapped for a mySQL based databases such as MariaDB. As is also the case this limitation is at the database level (especially the storage engine) rather than the hardware level. As is exactly the same with PostgreSQL for system choice a 2 socket system is optimal for MySQL OLTP performance.

Best Practices 40

Best Practices Scalability Performance C++ 40

Testsigma

NOVEMBER 16, 2021

In the summer of 2019, British Airways faced a technical issue on its website. Notice how March 2020 has shown an extremely positive change in website users with respect to March 2019. Even my data is synced over to different platforms quickly which means I am working on the same database for each of my applications.

Testing 52

Testing Website Small Business Internet 52

Smashing Magazine

JANUARY 6, 2020

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Start Render time, Speed Index ). Treo Sites provides competitive analysis based on real-world data.

Performance 145

Performance Cache Network Metrics 145

Alex Russell

JUNE 22, 2022

World-class experts in graphics, networking, cryptography, databases, language design, VM implementation, security, usability (particularly usable security), power management, compilers, fonts, high-performance layout, codecs, real-time media, audio and video pipelines, and per- OS specialisation are required.

Engineering 110

Engineering Traffic Government Google 110

Smashing Magazine

OCTOBER 15, 2018

2019-04-29T18:34:58+00:00. dist/modern/index.html', 'dist/legacy/index.html' await send(ctx, index); }); Here, setting the allowHigherVersions flag ensures that if newer versions of a browser are released — ones that are not yet a part of Can I Use’s database — they will still report as truthy for modern browsers.

Code 58

Code Retail Mobile Website 58

Smashing Magazine

SEPTEMBER 26, 2019

2019-09-26T12:30:59+02:00. 2019-09-26T11:02:12+00:00. An input field for adding new items to a database could be an example of a service: it’s dedicated to one particular job (adding new items) and does the job without dependency on any other service. Frankenstein Migration: Framework-Agnostic Approach (Part 1). Denys Mishunov.

Architecture 74

Architecture Virtualization Servers Technology 74