DZone

NOVEMBER 9, 2021

It’s much better to build your process around quality checks than retrofit these checks into the existent process. NIST did classic research to show that catching bugs at the beginning of the development process could be more than ten times cheaper than if a bug reaches production. However, it’s not a unit test.

Software 245

Software Software Code Design 245

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 295

Media Metrics Systems Processing 295

Dynatrace

DECEMBER 10, 2020

During the recent pandemic, organizations that lack processes and systems to scale and adapt to remote workforces and increased online shopping are feeling the pressure even more. Rethinking the process means digital transformation. What do you see as the biggest challenge for performance and reliability?

Strategy 245

Strategy Performance Logistics Monitoring 245

The Netflix TechBlog

FEBRUARY 1, 2022

You apply for multiple roles at the same company and proceed through the interview process with each hiring team separately, despite the fact that there is tremendous overlap in the roles. Interviewing can be a daunting endeavor and how companies, and teams, approach the process varies greatly.

Engineering 208

Engineering Games Entertainment Innovation 208

Dynatrace

APRIL 15, 2021

Fermentation process: Steve Amos, IT Experience Manager at Vitality spoke about how the health and life insurance market is now busier than ever. As a company that’s ethos is based on a points-based system for health, by doing exercise and being rewarded with vouchers such as cinema tickets, the pandemic made both impossible tasks to do.

Speed 241

Speed Media Monitoring Engineering 241

Dynatrace

DECEMBER 5, 2023

The SEC cybersecurity mandate states that starting December 15 th , all public organizations are required to annually describe their processes for assessing, identifying, and managing material risks from any cybersecurity threats on a Form 10-K. Do material incidents on “third-party systems” require disclosure?

Best Practices 279

Best Practices Government C++ Education 279

O'Reilly

FEBRUARY 11, 2025

How does that apply when you need to debug AI-generated code, generated by a system that has seen everything on GitHub, Stack Overflow, and more? OReilly author Andrew Stellman recommends several exercises for learning to use AI effectively. So if you write code that is as clever as you can be, youre not smart enough to debug it.

Programming 93

Programming Code Software Software 93

Dynatrace

NOVEMBER 11, 2022

Getting the information and processes in place to ensure alerts like this example can be organizationally difficult. However, Dynatrace can often miss crucial pieces of the puzzle because humans haven’t told it about whole processes occurring on the “human” side of the environment. Offline processes.

DevOps 245

DevOps C++ Serverless Processing 245

Particular Software

SEPTEMBER 11, 2023

Migrating a message-based system from on-premises to the cloud is a colossal undertaking. If you search for “how to migrate to the cloud”, there are reams of articles that encourage you to understand your system, evaluate cloud providers, choose the right messaging service, and manage security and compliance.

Cloud 126

Cloud Systems Azure Airlines 126

The Morning Paper

MARCH 15, 2020

Understanding, detecting and localizing partial failures in large system software , Lou et al., Partial failures ( gray failures ) occur when some but not all of the functionalities of a system are broken. Here are the key findings: Partial failures appear throughout the release history of each system, 54% within the last three years.

Systems 98

Systems Software Software Programming 98

Dynatrace

JUNE 27, 2022

However, not all user monitoring systems are created equal. Real user monitoring (RUM) is a performance monitoring process that collects detailed data about users’ interactions with an application. Complex transaction and process monitoring that might have deeper dependencies. What is real user monitoring? The bottom line?

Best Practices 244

Best Practices Monitoring Wireless Traffic 244

Dynatrace

JUNE 8, 2021

In software we use the concept of Service Level Objectives (SLOs) to enable us to keep track of our system versus our goals, often shown in a dashboard – like below –, to help us to reach an objective or provide an excellent service for users. Usual exceptions raised by our system that is now considered to be normal by Davis.

Metrics 242

Metrics Tuning Programming Systems 242

Dynatrace

JUNE 1, 2023

It represents the percentage of time a system or service is expected to be accessible and functioning correctly. Response time Response time refers to the total time it takes for a system to process a request or complete an operation. This SLO enables a smooth and uninterrupted exercise-tracking experience.

Traffic 173

Traffic Website Latency DevOps 173

Dynatrace

APRIL 21, 2022

Figure 1 – Individual Host pages show performance metrics, problem history, event history, and related processes for each host. Right-sizing is an iterative process where you adjust the size of your resource to optimize for cost. To do that, organizations must evolve their DevOps and IT Service Management (ITSM) processes.

Azure 246

Azure Monitoring Virtualization Metrics 246

The Netflix TechBlog

MARCH 5, 2020

Review how the incident process was performed, tracking actions to be performed after the incident, and driving learning through structuring informal knowledge. Each of these steps has the incident commander and incident participants moving through various systems and interfaces. Perform Post Incident Review (PIR)? —?Review

Open Source 213

Open Source AWS Google Speed 213

The Netflix TechBlog

SEPTEMBER 10, 2024

The voice service then constructs a message for the device and places it on the message queue, which is then processed and sent to Pushy to deliver to the device. Sample system diagram for an Alexa voice command. Where aws ends and the internet begins is an exercise left to the reader.

Latency 234

Latency Cache Tuning Efficiency 234

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. Then this one’s for you. Machine learning.

AWS 246

AWS Best Practices Cloud Analytics 246

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.

Latency 241

Latency Cache Java Traffic 241

All Things Distributed

NOVEMBER 15, 2010

Werner Vogels weblog on building scalable and robust distributed systems. From financial processing and traditional oil & gas exploration HPC applications to integrating complex 3D graphics into online and mobile applications, the applications of GPU processing appear to be limitless. All Things Distributed. Comments ().

AWS 125

AWS Programming Latency Architecture 125

O'Reilly

OCTOBER 19, 2021

While there isn’t an authoritative definition for the term, it shares its ethos with its predecessor, the DevOps movement in software engineering: by adopting well-defined processes, modern tooling, and automated workflows, we can streamline the process of moving from development to robust production deployments. Who did what and when?

DevOps 145

DevOps Software Engineering Infrastructure Open Source 145

The Netflix TechBlog

MAY 27, 2020

Reliability, formally speaking, is the ability of a system to function under stated conditions for a period of time. Put simply, reliability means a system should work and continue working. assisting the responding service owners with understanding what systems are contributing to the incident Liaison?—?communicating

Engineering 105

Engineering Innovation Systems Architecture 105

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 165

Monitoring Mobile Social Media Infrastructure 165

Percona

OCTOBER 31, 2023

The process of gathering data will take some time, but we plan to periodically share statistics that we collect, like breakdowns of versions of database software being used or popular operating systems and architectures. The upcoming documentation release will explain this process in more detail.

Open Source 111

Open Source Database Operating System Programming 111

O'Reilly

JUNE 15, 2023

Governance is not a “once and done” exercise. And we should define current best practices in the management of AI systems and make them mandatory , subject to regular, consistent disclosures and auditing, much as we require public companies to regularly disclose their financials.

Government 130

Government Best Practices Energy Internet 130

The Morning Paper

NOVEMBER 3, 2019

The authors selected a set of diverse application workloads, as shown in the table below, and analysed their execution to find out the system call frequency and total execution time. A micro-benchmark suite, LEBench was then built around tee system calls responsible for most of the time spent in the kernel.

Performance 108

Performance Benchmarking Tuning Hardware 108

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 133

Artificial Intelligence Google Media Processing 133

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.

DevOps 72

DevOps Architecture Technology Technology 72

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. As UX practitioners, we know empathy is an important part of the design process.

Code 143

Code Design Education Government 143

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 120

Database Servers Open Source Tuning 120

Percona

DECEMBER 29, 2022

While working as a DBA, we perform many regular tasks, and one of them is upgrading our database systems. The process using pg_upgrade is well documented , and you can easily find the instructions with little googling. When working with the upgrade exercise, the goal was to move from PostgreSQL 11 to PostgreSQL 12. Example case.

C++ 84

C++ Open Source Database Programming 84

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 Design 43

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. This was the genesis of the Amazon Dynamo database.

Internet 110

Internet Internet AWS Performance 110

O'Reilly

JANUARY 17, 2023

You might say that the outcome of this exercise is a performant predictive model. Second, this exercise in model-building was … rather tedious? You need to coordinate with stakeholders and product managers to suss out what kinds of models you need and how to embed them into the company’s processes. Your Job Has Changed.

Tuning 145

Tuning Open Source Software Software 145

O'Reilly

NOVEMBER 14, 2023

Can an AI system be creative and, if so, what would that creativity look like? I’m skeptical about AI creativity, though recently I hypothesized that an AI system optimized for “hallucinations” might be the start of “artificial creativity.” We don’t know; a number of cases are in the legal system now. Or just derivative?

Social Media 121

Social Media Innovation Media Tuning 121

O'Reilly

JUNE 27, 2023

When a person clicked “submit,” the website would pass that form data through some backend code to process it—thereby sending an e-mail, creating an order, or storing a record in a database. Because most of those have been deployed in such a way that they are only communicating with trusted internal systems.

Social Media 126

Social Media Media Website Database 126

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

O'Reilly Software

FEBRUARY 27, 2018

Adrian Cockcroft outlines the architectural principles of chaos engineering and shares methods engineers can use to exercise failure modes in safety and business-critical systems. Kevin Stewart explores the people, processes, and cultural aspects that complement the cloud-native computing stack. Going (cloud) native.

Software Architecture 62

Software Architecture Architecture Software Software 62