Percona

AUGUST 18, 2023

and this transition presented several challenges. This blog will explore the hurdles encountered during the upgrade process and the innovative solution that saved the day. I’m not listing all incompatibilities/differences, but you can find them here. Recently, we had a client wanting to move from MariaDB 10.4 to MySQL 8.x

Open Source 65

Open Source Database Storage Engineering 65

Dynatrace

AUGUST 13, 2020

Throughout my career I’ve been asked several times by members of the ITOps teams, “Why end-user experience monitoring is critical”. Have you brought up a huge customer impacting issue that you uncovered however all you had was a screen capture like below? Think about having this connection of the error to real-user journeys.

Monitoring 229

Monitoring Airlines Analytics Strategy 229

Dynatrace

APRIL 9, 2020

I’ve recently had several conversations with many of our customers to check-in and see how they ’re coping with remote working, ensuring applications are stable, and ensuring systems are available. Oh , I know, I’d be working three times as many hours, stressed out of my brains.’ We hope you enjoy this resource hub.

Innovation 214

Innovation Traffic Website Monitoring 214

O'Reilly

MARCH 26, 2024

He first tried to do so by becoming Cervantes, learning Spanish, and forgetting all the history since Cervantes wrote Don Quixote , among other things, but then decided it would make more sense to (re)write the text as Menard himself. TL;DR LLMs and other GenAI models can reproduce significant chunks of training data.

Artificial Intelligence 109

Artificial Intelligence Social Media Google Internet 109

Dynatrace

AUGUST 30, 2019

Dynatrace and our local partners helped MAMPU to optimize the digital government experience on several dimensions: Digital Experience: 413% improvement in APDEX, from 0.15 You, my dear reader, can start optimizing your applications as well. Dynatrace news. I was fortunate enough to get invited to our PerformGo! APAC Series.

Cache 197

Cache Database Architecture Government 197

Dynatrace

SEPTEMBER 14, 2022

However, as with all software tools, more options that haven’t been integrated carefully usually lead to cluttered interfaces, making them complex and harder to use. As an industry leader, Dynatrace promotes primarily using software and AI to deal with this complexity at scale instead of just putting data on dashboards.

Metrics 228

Metrics Analytics Monitoring Efficiency 228

Dynatrace

JULY 1, 2020

In today’s world of observ ability and reporting , my experience in capturing the end-user-experience (EUE) with web and mobile application technologies is easy to achieve. But not all applications are created equally when it comes to obtaining users’ experience. Dynatrace news.

Database 243

Database Servers Monitoring Code 243

Percona

AUGUST 1, 2023

In this blog, for the sake of simplicity, we are going to use mysqldump, and generate a single table, but the most curious thing is that we are going to create objects which have a certain DEFINER , and it must not be changed. sec) That’s right, that’s all we got. sec) That’s right, that’s all we got.

AWS 68

AWS Servers Engineering Strategy 68

Adrian Cockcroft

JUNE 2, 2023

What I learned at GlueCon 2023 — Tipping Points and Generative AI The final slide of my GlueCon keynote featuring a sunset over a pool in Maui — picture by Adrian I’ve presented at GlueCon many times over the last decade or so. It’s big enough to be interesting but not too big (this year had fewer attendees than some in the past).

Social Media 98

Social Media Innovation Open Source Entertainment 98

Percona

MARCH 8, 2023

Over the years of being a DBA, I had to deal with all kinds of problems in the database. One of the most common problems I faced is the one related to the well-known error “ERROR 1040 (08004): Too many connections”. A lot has been written about this error. No problem!

C++ 91

C++ Database Servers Open Source 91

Percona

SEPTEMBER 12, 2023

In this blog post, I will delve into the most important things to consider while preparing a schema change. sec) Metadata locks There are several blog posts about this locking mechanism and the common problems you may encounter when executing schema changes. How can you define if a table is small, medium, or large?

Database 84

Database Traffic Open Source Monitoring 84

Dynatrace

MAY 6, 2019

As a member of the Platform Extensions practice I am one of the subject matter experts responsible for all services related to expanding the visibility of Dynatrace into technologies which aren’t available out of the box. For this blog post I want to focus on how you can leverage Dynatrace to get a lot of insight into your plugin code.

Code 116

Code Development Metrics Network 116

Testsigma

OCTOBER 28, 2021

He has dabbled in software development, testing, and automation, and often shares his learnings in his blog. Let’s find the one tool to solve all of our problems.” Without all three, adopting test automation will just be an uphill battle. Without all three, adopting test automation will just be an uphill battle.

Engineering 96

Engineering Hardware Software Engineering Testing 96

Sutter's Mill

JULY 25, 2019

In addition to summing your votes per-paper, I also spent several hours manually assigning categories to the individual proposals so that we could see votes per-feature area. ’ Bias: I posted the poll on my personal blog, which could bias results in favor of my proposals. The following are some highlights.

C++ 98

C++ Programming Network Efficiency 98

Percona

APRIL 20, 2023

It should be noted that while the technical aspects of the upgrade process are beyond the scope of this blog post, it is crucial to create a testing environment to verify the upgrade before proceeding to upgrade your production servers, particularly with MySQL 8. As we approach end of life for MySQL 5.7

Open Source 88

Open Source Best Practices Servers Database 88

Dynatrace

JUNE 18, 2019

In my colleague Andi Grabner’s recent blog on Automated Deployment and Architectural Validation, he notes that, based on a recent ACM survey , validating deployment still seems to be a semi-automated task for most software delivery teams. My four favorite things about Concourse. Dynatrace news.

Architecture 126

Architecture DevOps Open Source Java 126

Percona

NOVEMBER 3, 2023

We covered these complexities in greater detail in our blog post “ From Proprietary to Open Source: The Complete Guide to Database Migration,” but, in short , you must consider: Pre-migration planning: What are your purposes and objectives? Deployment and rollout: Will you roll out gradually or all at once?

Database 81

Database Open Source Benchmarking Strategy 81

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. I logged into one and went through some basic CLI tools to get started (my [60s checklist]). These can be invisible to top(8).

Speed 126

Speed Java AWS Virtualization 126

Percona

OCTOBER 31, 2023

We received an alert of this kind on PS-primary-2 : Last_SQL_Errno: 1032 Last_SQL_Error: Could not execute Update_rows event on table foo.persons; Can't find record in 'persons', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000360, Starting checksum. Starting checksum. And how can this be possible?

Database 100

Database Servers Efficiency Performance 100

Percona

APRIL 6, 2023

In this blog post, we’ll check how to integrate Percona Monitoring and Management (PMM) with Loki to be able to get not only metrics and queries from our database servers but also text-based information like logs. Loki is a log aggregation tool developed by Grafana Labs. Verify that Loki and Promtail is configured properly.

Monitoring 84

Monitoring Servers Metrics Database 84

Smashing Magazine

JULY 1, 2021

All right, but what does this have to do with testing? In this article, I’ll tell you the pitfalls I’ve run into in my career — some of which were my fault. In this article, I’ll tell you the pitfalls I’ve run into in my career — some of which were my fault. Front-End Testing Traps.

Testing 120

Testing Best Practices Code Design 120

Adrian Cockcroft

JANUARY 29, 2023

A later version of the slides is included in my Microservices Workshop deck from later that year, slides 168–200 ( pdf , keynote are available in GitHub.com/adrianco/slides ). The common way to deal with this is to measure percentiles, and track the 90%, 99% response times for example. Response times are a one sided distribution.

Lambda 98

Lambda Latency Cache C++ 98

Percona

NOVEMBER 1, 2023

This blog was originally published in January 2021 and updated in November of 2023. In this blog, we will review all of the potential MySQL backup and restore strategies, the cornerstones of any application. Without reliable backups, the consequences of data loss can be severe.

Best Practices 79

Best Practices Storage Strategy Database 79

Adrian Cockcroft

JULY 4, 2023

The rest of this blog post is an edited version of the conversation I had with ChatGPT, that also acts as documentation of the code I’ve open sourced. This work built on my previous blog post —  Percentiles Don’t Work — Analyzing the Distribution of Response Times. The logfile I started with had several minutes of data in it.

Development 52

Development Latency C++ Open Source 52

Dotcom-Montior

MAY 21, 2020

In an era of cloud infrastructure, the goal is to integrate all your web services into one place: CDN, DNS, third-party API services, QA tools, analytics tools, and any other component you can think of, are working with each other to make your services function. Is my website speed good? Are my APIs in good health?

Monitoring 94

Monitoring DevOps Infrastructure Network 94

Percona

JANUARY 4, 2023

This blog should make it easier to understand for everyone. You can locate all instruments available in your MySQL version under table setup_instruments. I realized that it is important to understand the insights of the performance schema and how we can make effective use of it. Instruments are the main part of the performance schema.

Performance 98

Performance C++ Monitoring Servers 98

Smashing Magazine

OCTOBER 16, 2023

Solving Markdown Headaches In Gatsby In Gatsby, Markdown files are commonly used to programmatically create pages, such as blog posts. The gatsby-remark-images approach is probably most suited for larger projects since it is more manageable than saving all Markdown images in the /static folder. We never told Gatsby to parse it.

Media 87

Media Website Availability Design 87

Percona

OCTOBER 10, 2023

In this blog post, I’ll provide some thoughts on how schema changes can be performed when running MySQL on Kubernetes I won’t focus on DIRECT ALTERs as it is pretty straightforward to apply them. Assuming that there is already a Secrets object holding all system user passwords, the concept is really simple.

Database 93

Database Performance C++ Engineering 93

Alex Russell

JANUARY 30, 2024

HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. The blog you're reading loads over a single connection in ~1.2 This split decision was available via last year's update , but was somewhat buried. and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

Official Blog - World Web Technology

NOVEMBER 16, 2023

Online presence is the need of the hour for all industry sizes, whether small businesses or multinational organizations. Several companies in the market today offer IT services such as design, development, e-marketing, content management, and more. Why hire dedicated web developers for your upcoming project? There’s a difference!

Social Media 59

Social Media Mobile Website Energy 59

Scalegrid

JULY 17, 2020

For the purposes of this blog, when we refer to JSON support in PostgreSQL, we will refer to JSONB going forward. It is an open standard format which organizes data into key/value pairs and arrays detailed in RFC 7159. JSON is the most common format used by web services to exchange data, store documents, unstructured data, etc. JSONB Indexes.

Storage 321

Storage Database Efficiency Processing 321

Dotcom-Montior

APRIL 23, 2021

We have several moving pieces when it comes to email infrastructure, which lets emails be sent to you and from you. It is composed of several aspects that use IP addresses, mail servers, as well as resources focusing on email deliverability and domain reputation. This is where email infrastructure comes in handy. Mail Server.

Infrastructure 98

Infrastructure Monitoring Servers Network 98

Smashing Magazine

JUNE 2, 2021

Real-life performance for your users and how the website “feels” when you’re using it should not be discounted, even if it costs you a point or two in Page Speed (otherwise, we would all just have a search bar and unstyled text). Tangible signs of work well done are always appreciated. Large preview ). Online Stores Are A Bit Different.

Performance 115

Performance Cache Website Mobile 115

Adrian Cockcroft

JANUARY 20, 2023

When I retired from my Amazon VP position earlier this year and was looking for a way to support a consulting, analyst and advisory role, I reached out to Shahin again, and joined him at OrionX.net. In early January a related paper was published by Satoshi Matsuoka et. Luckily I think we are in general agreement on the main points.

Architecture 52

Architecture Latency Benchmarking AWS 52

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. With a plethora of mobile devices, it becomes a daunting task to offer the best experience on all mobile devices. As per April 2019 data of Statistica[1], the global mobile population accounted for 4 billion unique users.

Website 98

Website Mobile Testing Strategy 98

Smashing Magazine

APRIL 1, 2020

Wordpress relies heavily on plugins and themes which may contain malicious codes or bugs and slow the speed of the website or blog. Platforms (blogs, websites, etc) built with headless CMS can be deployed to work on various displays such as web, mobile, AR/VR, and so on. But with the changes in this mobile era, that’s no longer enough.

Open Source 103

Open Source Website Mobile Code 103

Percona

MARCH 3, 2023

I tried to run the DELETE command, which gave me this error: Cannot delete or update a parent row: a foreign key constraint fails. At first glance, the error message was obviously clear: the table from which rows were to be deleted had a child table, which prevented the execution of the DELETE directly. What does all this imply?

Database 97

Database Testing Servers Open Source 97