Dynatrace

APRIL 5, 2024

However, it’s essential to exercise caution: Limit the quantity of SLOs while ensuring they are well-defined and aligned with business and functional objectives. Conclusion An effective Service Level Objective (SLO) holds more value than numerous alerts, reducing unnecessary noise in monitoring systems.

Efficiency 230

Efficiency Traffic Tuning Metrics 230

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. The third part of the worskhop focuses on strategy?—?how

Architecture 52

Architecture Software Architecture Strategy Design 52

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

Tech News Gather

JUNE 15, 2023

Through this app idea, one can prioritize the well-being of students with an app designed to support their mental health and foster a sense of mindfulness. In addition, it can also inculcate resources such as articles, podcasts, and breathing exercises to help users develop coping strategies and resilience.

Education 52

Education Virtualization Innovation Transportation 52

The Netflix TechBlog

SEPTEMBER 8, 2020

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. 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.

Latency 233

Latency Cache Java Traffic 233

The Netflix TechBlog

MARCH 6, 2019

Mounting object storage in Netflix’s media processing platform By Barak Alon (on behalf of Netflix’s Media Cloud Engineering team) MezzFS (short for “Mezzanine File System”) is a tool we’ve developed at Netflix that mounts cloud objects as local files via FUSE. What problem are we solving? Mount ranges of objects? — ? Regional caching? —?Netflix

Media 214

Media Storage Processing Cache 214

Strategic Tech

FEBRUARY 16, 2022

The system needs to be highly reliable because even just a little downtime can alienate loyal customers. Two particularly relevant patterns are Efficiency Enables Evolution and Higher Order Systems Create New Sources of Worth. In Wardley lingo, Google Maps is so efficient that it acts as a building block for higher-order systems (e.g.

Innovation 52

Innovation Speed Google Strategy 52

Percona

DECEMBER 5, 2023

The scenario Service considerations In this exercise, we wanted to perform a major version upgrade from PostgreSQL v12.16 Conclusion Logical replication combined with Point-In-Time Recovery (PITR) in PostgreSQL offers a powerful strategy for version upgrades without significant downtime. to PostgreSQL v15.4.

Database 74

Database Traffic C++ Servers 74

All Things Distributed

OCTOBER 2, 2017

With these requirements in mind, and a willingness to question the status quo, a small group of distributed systems experts came together and designed a horizontally scalable distributed database that would scale out for both reads and writes to meet the long-term needs of our business.

Internet 128

Internet Internet AWS Performance 128

Alex Russell

FEBRUARY 21, 2023

Recall that Cupertino manages the actual work of Safari engineers through Apple-internal systems (previously named "Radar" ), making public bug reports a sort of parallel track; once an issue is imported from a public bug to a private tracker, it's more likely to get developer attention. No, this was a change in strategy.

Energy 79

Energy Games Engineering Design 79

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. One of the several deployment strategies is the blue/green deployment approach: In this method, two identical production environments work in parallel. Dynatrace news.

Systems 27

Systems Traffic DevOps Database 27

Dynatrace

JUNE 1, 2021

Practitioners use APM to ensure system availability, optimize service performance and response times, and improve user experiences. Application performance monitoring focuses on specific metrics and measurements; application performance management is the wider discipline of developing and managing an application performance strategy.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

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

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. As UX practitioners, we know empathy is an important part of the design process. Interaction Design Foundation. How To Build An Ethical User Research Practice At Any Organization. Devin Harold.

Code 137

Code Design Education Government 137

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

The Morning Paper

JANUARY 23, 2020

In this study, the diagnosis and resolution of an outage in a global Internet service, Etsy.com, was explored in an effort to uncover which cognitive strategies (specifically, heuristics) are used by engineers as they work to bring the service back to a stable state. First look for any correlation to the last change made to the system.

Internet 53

Internet Internet Cache Engineering 53

Sutter's Mill

JANUARY 11, 2021

Note that “no side effects on normal execution” is always automatically true for violation handlers even when an assertion system such as proposed in [4] allows arbitrary custom violation handlers to be installed, because those are executed only if we discover that we’re in a corrupted state and so are already outside of normal execution. [5]

C++ 58

C++ Programming Code Testing 58

Percona

JULY 6, 2023

Performance is one of the essential aspects of a database management system. If your workload and service design affords it, consider filtering your data thinking in retrieving just a few rows. One of the most effective ways to tackle performance improvement is having the proper indexes for the table columns.

Best Practices 87

Best Practices Tuning Database Testing 87

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. Several things stand out about these initiatives.

Architecture 52

Architecture Code Strategy Programming 52

HammerDB

JANUARY 5, 2019

This post addresses some of the opinions around database benchmarking and gives the top 5 reasons why industry standard benchmarking is important and should be an essential foundation of your database engineering strategy. That is why we run a workload designed exactly for this purpose as it gives us a “benchmark” 2.

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

NOVEMBER 25, 2007

A basic concept of wind energy systems, it is increasingly relevant in commercial building architecture: specifically, if wind velocity can be increased through building design, the potential power that a building can derive from wind energy is considerably greater. In the aggregate, power is abstract in this definition.

Government 40

Government Energy Innovation Strategy 40

Strategic Tech

DECEMBER 12, 2019

If someone from a different culture with a different naming convention cannot be served by a system, it’s not good business or publicity. Transactional & Invariant Business Rules To enforce business rules in software systems, transactional boundaries need to be identified: which business rules must succeed or fail together.

Healthcare 10

Healthcare Software Architecture Database Software 10

Tasktop

OCTOBER 30, 2019

Scott Havens, Senior Director of Engineering at Mode Operandi, highlighted the benefits of event-based systems over legacy approaches, and how software architecture should be just as beautiful as the clothes on sale. He had a strategy. Compliance by design is a cool concept, makes life easier for developers.

DevOps 8

DevOps Education Innovation Metrics 8