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. Company brands are now measured by the “app” and “app experience” and expect every application to be as fast as Google.

Strategy 182

Strategy Performance Logistics Monitoring 182

Percona

OCTOBER 31, 2023

This insight allowed us to put two critical programs in place to help companies either make the transition to 8.0 Both programs have been met with great responses from new and existing customers who found themselves stuck! which is scheduled for EOL by the end of October 2023. Here is an excerpt from Percona XtraDB Cluster 8.0.34

Open Source 86

Open Source Database Operating System Programming 86

Smashing Magazine

OCTOBER 13, 2021

You can always ask a question live , you can share your screen and get immediate feedback, and you can work on group exercises with people around the world. In fact, that’s why we’ve fallen in love with online workshops — and have a full program scheduled for the months to come. Here’s what our workshops are like. Black Belt ??

Design 86

Design Programming Testing Systems 86

Percona

DECEMBER 29, 2022

While working as a DBA, we perform many regular tasks, and one of them is upgrading our database systems. In this blog post, I will show you a particular example I faced when working with an upgrade exercise using pg_upgrade. When working with the upgrade exercise, the goal was to move from PostgreSQL 11 to PostgreSQL 12.

C++ 81

C++ Open Source Database Programming 81

Scalegrid

APRIL 16, 2020

This is because they are able to leverage free AWS or Azure startup hosting credits secured through their incubator, accelerator, or startup community program, and can apply their free credits to their database hosting costs as ScaleGrid. Expert Tip. Security Groups. Interested in BYOC, but don’t want SSH access? No problem.

Cloud 242

Cloud Azure AWS Database 242

Testlodge

AUGUST 9, 2023

When there are multiple options for a decision, each decision outcome should be exercised before moving on to the next decision. Finally, once all the decision outcomes on the baseline path have been covered, apply the same approach to all subsequent paths until all the decision outcomes in the specified code have been exercised.

Testing 75

Testing Software Software C++ 75

Dynatrace

MAY 15, 2020

By virtue of the incredible volume, quality, scope (we actually go far beyond just application monitoring) and granularity of the data the platform provides, our customers have at their fingertips unparalleled insights about their systems, users, and so much more. On further examination you discover an abnormal system process has initiated.

Government 231

Government DevOps Infrastructure Network 231

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

The Agile Manager

OCTOBER 31, 2022

It’s also awkward, an exercise of the blindfolded people describing the pachyderm. Some of this is likely a function of professional programming: if, for the totality of your career, the boss has supplied you with the reason why you do the things that you do, it isn’t natural to start a new initiative by asking “why”. And that’s ok.

Strategy 89

Strategy Retail Operating System Programming 89

Tech News Gather

JUNE 15, 2023

In addition, it can also inculcate resources such as articles, podcasts, and breathing exercises to help users develop coping strategies and resilience. Users can access interactive maps, trail recommendations, and educational content highlighting ecological systems, biodiversity, and conservation efforts.

Education 52

Education Virtualization Innovation Transportation 52

The Agile Manager

OCTOBER 31, 2020

They had staffed 50 total people to the program team, while the company had staffed four QA leads (one for each contract team). This wasn't the answer that either the outsourcing vendor or the program office wanted. The reaction of both vendor and program office weren't much of a surprise.

Programming 59

Programming Testing Code Technology 59

Smashing Magazine

DECEMBER 2, 2021

JVM Programming Advent Calendar. Created by Eric Wastl, this is an advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like. Tune in each day for an article that explores the wide range of topics in system administration.

Design 107

Design Development Programming Website 107

MachMetrics

DECEMBER 12, 2019

Google has announced plans for a new badging system that would let users know whether a website typically loads slowly. While it is seen as a positive for users to be able to quickly see if the site they’re loading is slow, the ethics of such a program become a little murkier.

Google 86

Google Website Best Practices Internet 86

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 99

Database Servers Open Source Tuning 99

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. On the last morning of the conference Daniel Bittman presented some of the work being done in the context of the Twizzler OS project to explore new programming models for NVM. The Twizzler programming model.

Hardware 56

Hardware Programming Media Storage 56

Sutter's Mill

JANUARY 25, 2021

If you develop your own assertion system for in-house use, support enabling/disabling at least these kinds of assertions independently. [1] In GotW #97 question 3, part of the solution says that “if an assertion fails” then… … there is a program bug, possibly in the assertion itself. Dos Reis, J. Meredith, N. Myers, and B.

C++ 45

C++ Programming Cache Testing 45

Sutter's Mill

JANUARY 11, 2021

An assertion documents the expected state of specific program variables at the point where the assertion is written, in a testable way so that we can find program bugs — logic errors that have led to corrupted program state. Assertions are only about finding bugs, not doing program work.

C++ 58

C++ Programming Code Testing 58

The Morning Paper

JULY 21, 2019

In case you’re wondering, that paper was " Why functional programming matters " (revisited again on the blog 2 years later). Taking a scroll through the HotOS’19 program, you’ll find plenty more really interesting papers that it pains me I didn’t have the time to cover (yet?). I’m not dead yet!

Programming 42

Programming Operating System Design Systems 42

Tech News Gather

JULY 16, 2022

The unlocked version of the programs may be downloaded from the Google Play store. The application preserves detailed records of the user’s expenditures, provides assistance in the maintenance of the user’s budget, and gives the user the ability to exercise control over their own money and the flow of that money.

Entertainment 52

Entertainment Google Programming Hardware 52

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? Tracing provenance with these more complex systems will be difficult—but with RAG, we now have the tools to do it.

Artificial Intelligence 101

Artificial Intelligence Media Google Processing 101

Brendan Gregg

DECEMBER 21, 2019

Starting with other interfaces is like writing your first Java program in [JVM bytecode]. You can.but if you're looking for an educational exercise, I'd recommend using BPF tools to find performance wins. bpftrace became even more powerful on Linux 5.3, If desired, it could be rewritten in BCC to avoid calling aplay(1).

C++ 52

C++ Education Java AWS 52

Brendan Gregg

DECEMBER 21, 2019

Starting with other interfaces is like writing your first Java program in [JVM bytecode]. You can.but if you're looking for an educational exercise, I'd recommend using BPF tools to find performance wins. bpftrace became even more powerful on Linux 5.3, You can check it out [here].

C++ 52

C++ Education Java AWS 52

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

Edge Perspectives

FEBRUARY 4, 2019

I’ve long been a skeptic of massive top down programs – whether it’s companies, governments or any other institutions. Of course, we can get consumed by that exercise as well. But let me also say that I am deeply skeptical about incrementalism and lots of small moves.

Government 77

Government Programming Systems Performance 77

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

Testsigma

MARCH 6, 2020

With the amount of data flow across multiple modules in applications being made today, a feature addition or a fix can cause unexpected issues in the normal system operations. Dev-QA Pairing – In addition to the code review involvement, QA can also liaison with developers while they are programming the new modules.

Best Practices 52

Best Practices Testing Code Testing Tools 52

O'Reilly Software

MARCH 7, 2018

Build a more scalable, composable, and functional architecture for interconnecting systems and applications. Software today is not typically a single program—something that is executed by an operator or user, producing a result to that person—but rather a service : something that runs for the benefit of its consumers, a provider of value.

Transportation 72

Transportation Java Programming Architecture 72

John McCalpin

AUGUST 1, 2018

This is an intellectually challenging and labor-intensive exercise, requiring detailed review of the published details of each of the components of the system, and usually requiring significant “detective work” (using customized microbenchmarks, hardware performance counter analysis, and creative thinking) to fill in the gaps.

Hardware 40

Hardware Transportation Performance Latency 40

Alex Russell

SEPTEMBER 20, 2020

"Appiness" is an illusion, an arbitrary line drawn to include programs built on some platforms but not others, and all of today's OSes allow multiple platforms to expose "real apps." New low-end devices are 4-to-8 core, 2GHz systems with 2GiB of RAM. " Platforms, while plural, are not equal. AAA gaming, CAD).

Hardware 64

Hardware Mobile Java Programming 64

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? Some engines go further, adopting safer systems languages in their first lines of defence, or using a larger number of sandboxes to strictly isolate individual websites from each other.

Engineering 98

Engineering Open Source Website Operating System 98

Randon ASCII

OCTOBER 20, 2019

Normally ninja does an excellent job of saturating the system, keeping n+2 processes running at all times so that there is little idle time. When figuring out why a system is idle the CPU Usage (Precise) table is ideal. Instead we need to focus on when the system started working again. What is System (4) doing.

Processing 60

Processing Systems Code Software 60

Tasktop

OCTOBER 4, 2019

Navy during World War II who went on to create COBOL, one of the first programming languages? “ When I worked in the Sales Training Department at NVR, I helped roll out their new (at the time) CRM system to the entire company. Laura concurs, suggesting that companies “s et up a mentor program for the women.

Technology 40

Technology Technology Education Programming 40

Nick Desaulniers

APRIL 18, 2014

At the lowest level, all computers are programmed with strings of ones and zeroes. When you program in machine language, you are controlling the computer at its brainstem, the root of its existence. Our first goal is to write an x86-64 program that does nothing, but that we can build. It’s the tongue of Eden.

C++ 98

C++ Programming Code Virtualization 98

Sutter's Mill

MARCH 25, 2021

Some of these are exercised by the “wrong order” permutations above, but even call sites that remember the right argument order can make mistakes about the actual values. But if the sight of these function signatures has had you pulling your hair and shouting “use the type system, Luke!” Language support.

C++ 45

C++ Design Code Systems 45

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

O'Reilly

OCTOBER 19, 2021

There is a decades-long tradition of data-centric programming : developers who have been using data-centric IDEs, such as RStudio, Matlab, Jupyter Notebooks, or even Excel to model complex real-world phenomena, should find this paradigm familiar. Today, a number of cloud-based, auto-scaling systems are easily available, such as AWS Batch.

DevOps 138

DevOps Software Engineering Infrastructure Open Source 138

The Agile Manager

NOVEMBER 26, 2008

Program Management Offices (PMOs) are at the nexus of this. User Interface, middle tier, server side, database, specialists in things like ERP systems) or by component (e.g., We’ve all seen it: the project that reports “green” status on its stop-and- go light report for months suddenly goes red in the late stages of development.

Code 40

Code Servers Engineering Programming 40