Dynatrace

APRIL 21, 2022

The Azure Well-Architected Framework is a set of guiding tenets organizations can use to evaluate architecture and implement designs that will scale over time. Figure 1 – Individual Host pages show performance metrics, problem history, event history, and related processes for each host. Operational excellence. Reliability.

Azure 190

Azure Monitoring Virtualization Metrics 190

The Morning Paper

APRIL 16, 2019

Teaching rigorous distributed systems with efficient model checking Michael et al., It describes the labs environment, DSLabs , developed at the University of Washington to accompany a course in distributed systems. Enabling students to build running performant versions of all of those systems in the time available is one challenge.

Systems 43

Systems Efficiency Testing Strategy 43

Strategic Tech

NOVEMBER 24, 2020

The traditional EA role of documenting business processes and capabilities serves a purposes. It helps people to understand the complex systems they are working with. However, if nobody reads the documentation and it gets out of date quickly, it’s a tick-box exercise rather than a value creating one.

Architecture 72

Architecture DevOps Technology Technology 72

Smashing Magazine

MAY 22, 2020

Inspired Design Decisions With Max Huber: Turning Mundane Subjects Into Exciting Visual Communication. Inspired Design Decisions With Max Huber: Turning Mundane Subjects Into Exciting Visual Communication. Even highly regarded, well-known designers spent time working with mundane subjects and produced iconic work. Andrew Clarke.

Design 91

Design Media Development Energy 91

Dynatrace

SEPTEMBER 30, 2021

Hosted and moderated by Amazon, AWS GameDay is a hands-on, collaborative, gamified learning exercise for applying AWS services and cloud skills to real-world scenarios. If your company is pursuing AWS certification for a team, AWS Certification Exam Vouchers make the process easier. Core AWS certifications.

AWS 212

AWS Best Practices Analytics Cloud 212

Strategic Tech

APRIL 1, 2022

I’ve just created a new kata which you and your team/friends can use to practice your architecture and domain-driven design skills. This kata is split into four sections that address different aspects of architecting software systems. I’ve used it a few times now and it seems to have worked well so I thought it would be good to share.

Architecture 52

Architecture Software Architecture Strategy Design 52

The Netflix TechBlog

SEPTEMBER 8, 2020

Functional Testing Functional testing was the most straightforward of them all: a set of tests alongside each path exercised it against the old and new endpoints. The Not-so-good In the arduous process of breaking a monolith, you might get a sharp shard or two flung at you. This meant that data that was static (e.g.

Latency 233

Latency Cache Java Traffic 233

O'Reilly

DECEMBER 12, 2023

This ruling in itself raises many questions: how much creativity is needed, and is that the same kind of creativity that an artist exercises with a paintbrush? But reading texts has been part of the human learning process as long as reading has existed; and, while we pay to buy books, we don’t pay to learn from them.

Artificial Intelligence 101

Artificial Intelligence Media Google Processing 101

Alex Russell

FEBRUARY 21, 2023

is astonishingly dense with delayed features, inadvertantly emphasising just how far behind WebKit has remained for many years and how effective the Blink Launch Process has been in allowing Chromium to ship responsibly while consensus was witheld in standards by Apple. Regardless, Safari 16.4 31st : Web Share changes Feb. Safari 16.4

Energy 79

Energy Games Engineering Design 79

The Agile Manager

SEPTEMBER 30, 2021

The Agile manager does specific things: advances the understanding of the domain, has a symbiotic relationship with the do-ers, creates and adjusts the processes and social systems, and protects the team’s execution. We saw last month that just because somebody is the manager of an Agile team does not make that person an Agile manager.

Entertainment 52

Entertainment Government Cloud Systems 52

Adrian Cockcroft

MARCH 17, 2020

Picture taken by Adrian March 17, 2020 A resilient system continues to operate successfully in the presence of failures. There are many possible failure modes, and each exercises a different aspect of resilience. Hence, one way to reduce risk is to make systems more observable. The first technique is the most generally useful.

Healthcare 52

Healthcare Government Airlines Systems 52

Percona

AUGUST 30, 2023

This can be changed later using the pg_checksums utility, but that will be a painful exercise on a big database. cat /usr/lib/systemd/system/postgresql-14.service. That is where all “ALTER SYSTEM SET/RESET” commands keep the information. But another database might be an OLAP system.

Database 106

Database Servers Open Source Tuning 106

Percona

DECEMBER 5, 2023

The scenario Service considerations In this exercise, we wanted to perform a major version upgrade from PostgreSQL v12.16 While we’ve contemplated taking a physical backup and conducting PITR , it’s worth noting that PITR can also be executed on the existing replica or delayed replica to expedite the process. and a v15.4.

Database 81

Database Traffic C++ Servers 81

HammerDB

APRIL 19, 2023

Instead, focus on understanding what the workloads exercise to help us determine how to best use them to aid our performance assessment. Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. Operating System: Ubuntu 22.04 Operating System: Ubuntu 22.04

Performance 54

Performance Benchmarking Cache Storage 54

The Agile Manager

AUGUST 31, 2021

If we accept the fact that Agile is a value system and not a set of mechanical processes, it stands to reason that there must be something different about the norms and behaviors of Agile managers vis-a-vis traditional managers. What is it that makes Agile management different from traditional management?

Metrics 52

Metrics Design Engineering C++ 52

Dynatrace

SEPTEMBER 20, 2019

Welcome back to the blog series in which we show how you can easily solve three common problem scenarios by using Dynatrace and xMatters Flow Designer. Here’s what we discussed so far: In Part 1 we explored how DevOps teams can prevent a process crash from taking down services across an organization.

Systems 26

Systems Traffic DevOps Database 26

Adrian Cockcroft

NOVEMBER 11, 2019

A resilient system continues to operate successfully in the presence of failures. There are many possible failure modes, and each exercises a different aspect of resilience. Hence, one way to reduce risk is to make systems more observable. This discussion focuses on hardware, software and operational failure modes.

Latency 52

Latency Engineering Systems Hardware 52

MachMetrics

DECEMBER 12, 2019

Google has announced plans for a new badging system that would let users know whether a website typically loads slowly. In a post detailing the thought process behind the planned feature, the Chrome team explains that “In the future, Chrome may identify sites that typically load fast or slow for users with clear badging ”.

Google 86

Google Website Best Practices Internet 86

Adrian Cockcroft

NOVEMBER 11, 2019

A resilient system continues to operate successfully in the presence of failures. There are many possible failure modes, and each exercises a different aspect of resilience. Hence, one way to reduce risk is to make systems more observable. This discussion focuses on hardware, software and operational failure modes.

Latency 53

Latency Engineering Systems Hardware 53

Dynatrace

JUNE 1, 2021

Practitioners use APM to ensure system availability, optimize service performance and response times, and improve user experiences. Even a conflict with the operating system or the specific device being used to access the app can degrade an application’s performance. APM’s many forms.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

The Morning Paper

AUGUST 27, 2019

I am so pleased to see a database systems paper addressing the concerns of the application developer! To the developer, a strongly consistent system behaves exactly like a single-threaded system running on a single node, so reasoning about the behaviour of the system is simple 1. VLDB’19.

Programming 59

Programming Processing Database Systems 59

The Morning Paper

DECEMBER 8, 2019

At the start of November I was privileged to attend HPTS (the High Performance Transaction Systems) conference in Asilomar. Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. PLOS’19.

Hardware 56

Hardware Programming Media Storage 56

Particular Software

DECEMBER 9, 2019

Decommissioning Public102 was an exercise in the mundane, gradually transitioning tiny service after tiny service to new homes over the course of weeks, as the development schedule allowed. When finally we had all the processes migrated, we celebrated as we decommissioned Public102. It's not so easy with a junk drawer server.

Wireless 52

Wireless DevOps Infrastructure Network 52

HammerDB

JULY 16, 2021

When a system ‘scales’ it is able to deliver higher levels of performance proportional to the system resources available to it. In particular, this means as we add CPU cores and increase the system load, we see higher performance. In this example, we will compare MySQL 5.7.33 and MySQL 8.0.25 and MySQL 5.7.33.

Virtualization 57

Virtualization Performance C++ Database 57

Percona

JULY 6, 2023

Performance is one of the essential aspects of a database management system. Bitmap Index Scan The planner chooses this index scan method when the query asks for a large enough amount of data that can leverage the benefits of the bulk read, like the sequential scan, but not that large that actually requires processing ALL the table.

Best Practices 94

Best Practices Tuning Database Testing 94

The Morning Paper

JANUARY 23, 2020

A technique called process tracing was employed to try and recover "a record of participant data acquisition, situation assessment, knowledge activation, expectations, intentions, and actions as the case unfolds over time." The process tracing exercise included: Examning IRC transcripts from multiple channels.

Internet 53

Internet Internet Cache Engineering 53

The Morning Paper

JULY 4, 2019

Are you ready to take your system assurance programme to the next level? In all cases we need to be able to carefully monitor the impact on the system, and back out if things start going badly wrong. Netflix’s system is deployed on the public cloud as complex set of interacting microservices.

Latency 77

Latency Engineering Metrics Traffic 77

Alex Russell

AUGUST 30, 2021

Does Apple restrict, in any way, the ability of competing web browsers to deploy their own web browsing engines when running on Apple's operating system? Developers can provide feedback from using features and lobby other browsers to adopt (or re-design) them. House Antitrust Subcommittee includes their most specific claims: 4.

Engineering 98

Engineering Open Source Website Operating System 98

The Agile Manager

AUGUST 31, 2020

I've worked with quite a few companies for which long-lived software assets remain critical to day-to-day operations, ranging from 20-year-old ERP systems to custom software products that first processed a transaction way back in the 1960s. The first and most obvious is that they are long on how to start, but short on how to finish.

Architecture 52

Architecture Code Strategy Programming 52

Smashing Magazine

AUGUST 5, 2021

Frustrating Design Patterns: Disabled Buttons. Frustrating Design Patterns: Disabled Buttons. After all, as designers and developers, we want to make it more difficult for our users to make mistakes. Part Of: Design Patterns. And because something is happening, they usually exercise a good amount of patience first.

Design 145

Design Transportation Code Systems 145

HammerDB

JANUARY 5, 2019

Some opinions claim that “Benchmarks are meaningless”, “benchmarks are irrelevant” or “benchmarks are nothing like your real applications” However for others “Benchmarks matter,” as they “account for the processing architecture and speed, memory, storage subsystems and the database engine.”

Benchmarking 40

Benchmarking Database Social Media Scalability 40

O'Reilly Software

MARCH 7, 2018

Build a more scalable, composable, and functional architecture for interconnecting systems and applications. Welcome to a new world of data-driven systems. Today, data needs to be available at all times, serving its users—both humans and computer systems—across all time zones, continuously, in close to real time.

Transportation 72

Transportation Java Programming Architecture 72

The Agile Manager

DECEMBER 31, 2016

Core systems are a complex web of integrated rules and functions spun over generations. Employees will see replatforming as an exercise in re-creating software. The existing systems have their shortcomings, but we run a multi-billion dollar business on that code, so we must be pretty good at software. Destiny awaits.

Innovation 40

Innovation Infrastructure Engineering Software 40

Alex Russell

SEPTEMBER 20, 2020

The world didn't yet have pervasive multi-process browser sandboxing, JS JITs , or metal-speed binary isolation. New low-end devices are 4-to-8 core, 2GHz systems with 2GiB of RAM. Portable, safe apps returned massive benefits to users who no longer needed to LARP as systems administrators. AAA gaming, CAD). React Native ).

Hardware 64

Hardware Mobile Programming Java 64

The Agile Manager

MARCH 31, 2017

I need calories after I run, a breakfast bar will do, I don't need a designer breakfast bar. Buying became an exercise in sourcing for the lowest unit cost any vendor was willing to supply for a particular skill-set. We look to process and organization, coaches and rules. Utility purchases are driven by price sensitivity.

Innovation 40

Innovation Energy Serverless Hardware 40

The Netflix TechBlog

DECEMBER 23, 2020

By Fabio Kung , Sargun Dhillon , Andrew Spyker , Kyle , Rob Gulewich, Nabil Schear , Andrew Leung , Daniel Muino, and Manas Alekar As previously discussed on the Netflix Tech Blog, Titus is the Netflix container orchestration system. It runs a wide variety of workloads from various parts of the company?—?everything

Media 286

Media Metrics Systems Processing 286

Smashing Magazine

AUGUST 19, 2021

Ethics are an important part of human-computer interaction because they keep people at the heart of the design process. For example, try and recall the last time your team’s processes were audited for compliance against the company’s ethical standards. Devin Harold. 2021-08-19T10:00:00+00:00. 2021-08-19T12:06:27+00:00.

Code 137

Code Design Education Government 137