Scalegrid

JUNE 18, 2019

Like other MongoDB drivers, the Ruby MongoDB driver is also designed to internally recognize changes in topology due to events like failover. Like my previous post on MongoDB PyMongo , we can write a perpetual writer test program to observe the failover behavior of the driver. 294:in `handle_errors'", "C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/mongo-2.8.0/lib/mongo/socket.rb:126:in

C++ 100

C++ Servers Database Network 100

Rigor

JANUARY 13, 2020

These are the bestsellers in the web performance field, including the good old Speed Up Your Site (2003) by Andy King; Steve Souders’ Even Faster Web Sites (2009) ; Ilya Grigorik’s High Performance Browser Networking (2013) ; Tammy Everts’ Time is Money (2016) ; and a handful of more recent publications. Time is Money.

Performance 75

Performance Social Media Website Website Performance 75

Adrian Cockcroft

JUNE 21, 2022

The early days at Sun Cambridge were special, I absorbed a lot about networking and the technical side of the role from my fellow systems engineer Martin Baines, and we were driving all over the region in cool company cars (I had a Citroen BX 16V) selling a really hot product. Rich Pettit is one of the best programmers I ever met.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Brendan Gregg

AUGUST 18, 2019

C @ns: [256, 512) 10900 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ | [512, 1k) 18291 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@| [1k, 2k) 4998 |@@@@@@@@@@@@@@ | [2k, 4k) 57 | | [4k, 8k) 117 | | [8k, 16k) 48 | | [16k, 32k) 109 | | [32k, 64k) 3 | |. The probe is BEGIN , a special probe that runs at the beginning of the program (like awk).

Latency 68

Latency C++ Cache Programming 68

The Netflix TechBlog

JUNE 4, 2019

Because microprocessors are so fast, computer architecture design has evolved towards adding various levels of caching between compute units and the main memory, in order to hide the latency of bringing the bits to the brains. We formulate the problem as a Mixed Integer Program (MIP).

Cache 251

Cache Latency Airlines Logistics 251

Testsigma

APRIL 23, 2021

It also supports the testing of native, hybrid, and mobile web apps across various programming languages like Java, Ruby, C#, Javascript, PHP, Python. Espresso: Designed by Google for Android, Espresso lets you write solid and reliable Android UI tests. Being open-source, it also has a rich community! .

Testing Tools 86

Testing Tools Mobile Testing Open Source 86

Testsigma

JANUARY 18, 2021

Network Throttling – If your app is built for a global audience, it is important to test the app features in varied network conditions (e.g. Along with testing on different network conditions, you should also check the app’s behaviour with different UL (Upload) and Download (DL) speeds.

Testing 55

Testing Operating System Website Internet 55

The Morning Paper

NOVEMBER 12, 2019

I’m sure that Google engineers do indeed take extreme care when building the low level networking code that powers Google’s datacenters, but their fundamental design point was to enable frequent releases for fast iteration, feedback on their designs, and yes, early detection of problems. How Serval works.

Code 45

Code Systems Programming Google 45

Smashing Magazine

JUNE 30, 2021

JavaScript was designed to run in lock-step with the browser’s main rendering loop. The drawback of that design is that a small amount of slow JavaScript code can prevent the browser’s rendering loop from continuing. On design systems, CSS/JS and UX. JavaScript. Pretty much every web app out there relies on this model.

Games 145

Games Architecture Code C++ 145

HammerDB

FEBRUARY 25, 2021

This is why the choice of programming language is so important from the outset. As we have seen databases are designed to handle multiple database sessions at the same time. For HammerDB both TPROC-C and TPROC-H run all of their workloads on the database being tested in SQL. Database interfaces in C. select top 100.

Programming 67

Programming Benchmarking Virtualization C++ 67

ScaleOut Software

SEPTEMBER 20, 2018

IMDGs harness the memory and computing power of multiple commodity (or cloud-based) servers to scale computing resources, and they minimize network bottlenecks by analyzing events within the grid. The post Object-Oriented Programming Simplifies Digital Twins appeared first on ScaleOut Software.

Programming 63

Programming IoT Java Analytics 63

O'Reilly

FEBRUARY 18, 2020

It’s the single most popular programming language on O’Reilly, and it accounts for 10% of all usage. The shift to cloud native design is transforming both software architecture and infrastructure and operations. In programming, Python is preeminent. Software architecture, infrastructure, and operations are each changing rapidly.

Software Architecture 134

Software Architecture DevOps Data Engineering Architecture 134

Percona

DECEMBER 29, 2023

Unexpected connection leaks: Unanticipated connection leaks can also arise from programming errors or faulty application logic. The point forgotten is that c onnections are owned by clients but maintained by a database. Most of the applications may not be designed and tested for handling such surprises.

Servers 79

Servers Database C++ Airlines 79

ScaleOut Software

SEPTEMBER 20, 2018

IMDGs harness the memory and computing power of multiple commodity (or cloud-based) servers to scale computing resources, and they minimize network bottlenecks by analyzing events within the grid.

Programming 40

Programming IoT Java Analytics 40

Percona

DECEMBER 26, 2023

This allows for much better data accuracy, especially in the case of high-resolution or unreliable networks. Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community, in a single distribution, designed and tested to work together. Happy monitoring!

Benchmarking 121

Benchmarking Metrics C++ Database 121

Dotcom-Montior

OCTOBER 19, 2021

Programming Languages. Site reliability engineers will need to have experience with various programming languages, but more importantly, need to know how to use those languages to automate any and all tasks. Let us look at some of the most common programming languages an SRE group will encounter, like Python, Golang, and Ruby.

Engineering 86

Engineering Open Source Programming Monitoring 86

Smashing Magazine

AUGUST 9, 2021

It also, however, takes a full network round trip to complete before anything else can be done on a connection. Finally, QUIC also uses so-called flow-control and congestion-control mechanisms that prevent a sender from overloading the network or the receiver, but that also make TCP slower than what you could do with raw UDP.

Transportation 145

Transportation Internet Internet Network 145

Brendan Gregg

MARCH 22, 2018

Tracepoints are considered a "stable API," so their details shouldn't change from one kernel version to the next, making programs that use them easier to maintain. SKADDR C-PID C-COMM LADDR LPORT RADDR RPORT OLDSTATE -> NEWSTATE MS ffff9fd7e8192000 22384 curl 100.66.100.185 0 52.33.159.26 80 FIN_WAIT2 -> CLOSE 0.006 ^C.

C++ 88

C++ Network Programming Open Source 88

O'Reilly

NOVEMBER 21, 2019

Bainbridge believed that automation designers were in denial about this, however. As she saw it, designers approached the problem of automation as if the human factor were not , in fact, a factor. They can do only what they’re programmed to do. Robots cannot reflect on and derive innovative solutions to hard problems.

Processing 82

Processing Programming Virtualization Technology 82

Percona

AUGUST 30, 2023

For example, the network port at which PostgreSQL listens cannot be changed at the individual database level. psql "host=localhost user=postgres options='-c synchronous_commit=off'" psql (14.8) Object-level settings PostgreSQL allows us to specify the parameter specific to a program block, like a PL/pgSQL function.

Database 100

Database Servers Open Source Tuning 100

Dotcom-Montior

FEBRUARY 19, 2022

Programming Languages. Site reliability engineers will need to have experience with various programming languages, but more importantly, need to know how to use those languages to automate any and all tasks. Let us look at some of the most common programming languages an SRE group will encounter, like Python, Golang, and Ruby.

Engineering 52

Engineering Open Source Programming Monitoring 52

The Morning Paper

DECEMBER 8, 2019

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 starting point is a set of three asumptions for an NVM-based programming model: Compared to traditional persistent media, NVM is fast.

Hardware 56

Hardware Programming Media Storage 56

The Morning Paper

JANUARY 28, 2020

From an operator perspective it makes it harder to follow the classic cloud-native design in which a global storage layer is separate to compute. If you want a lightweight, fast-starting, easy to program for, embeddable application runtime that also offers isolation, then a natural choice is V8 isolates. High performance.

Serverless 99

Serverless Storage Latency Cloud 99

HammerDB

JULY 5, 2022

Python is a popular programming language, especially for beginners, and consequently we see it occurring in places where it just shouldn’t be used, such as database benchmarking. What programming languages does HammerDB use and why does it matter? Surely any language will do? usr/local/bin/tclsh8.6

Benchmarking 98

Benchmarking Database C++ Virtualization 98

HammerDB

NOVEMBER 30, 2018

Programming Languages. When you download the source code for HammerDB you can see that the programming language it is written in is called TCL. TCL was designed as a language to be closely tied with C/C++ and at this lower level there is the compiled TCL (tclsh) or TCL/TK (wish) interpreter and supporting libraries.

Architecture 40

Architecture Virtualization Open Source C++ 40

Smashing Magazine

JULY 8, 2021

Modules like the service module containing all the network requests needed by the company are kept in this core module and all corresponding network requests are made from here. This method of modularization allows for efficient program development and easy debugging and modification in our application. development.

Speed 134

Speed Processing Development Code 134

Brendan Gregg

MARCH 21, 2018

Tracepoints are considered a "stable API," so their details shouldn't change from one kernel version to the next, making programs that use them easier to maintain. SKADDR C-PID C-COMM LADDR LPORT RADDR RPORT OLDSTATE -> NEWSTATE MS ffff9fd7e8192000 22384 curl 100.66.100.185 0 52.33.159.26 80 FIN_WAIT2 -> CLOSE 0.006 ^C.

C++ 40

C++ Programming Open Source Network 40

The Morning Paper

MAY 12, 2019

The suite is built using popular OSS applications and representative technologies, deliberately using a mix of languages (C/C++, Java, Javascript, node.js, Python, Ruby, Go, Scala, …) and both RESTful and RPC (Thrift, gRPC) style service interfaces. Operating system and network implications.

Open Source 61

Open Source Hardware Benchmarking Systems 61

All Things Distributed

NOVEMBER 15, 2010

We believe that making these GPU resources available for everyone to use at low cost will drive new innovation in the application of highly parallel programming models. These trade-offs have even impacted the way the lowest level building blocks in our computer architectures have been designed. General Purpose GPU programming.

AWS 136

AWS Latency Programming Architecture 136

Alex Russell

SEPTEMBER 12, 2016

These criteria have been designed to ensure that sites which invoke prompts are reliable, fast, and engaging. In January 2015 I designed the criteria that Chrome uses to trigger “Add to Homescreen” prompts. Apps on the homescreen: Should load instantly, regardless of network state. I’d know.

Mobile 52

Mobile Network Education Design 52

Enprowess

SEPTEMBER 7, 2021

JavaScript is one of the most famous and loved programming languages nowadays. It is growing day by day and has kept its position for eight years in a row and belongs to the top ten most loved programming languages. Network: Node.js Follows asynchronous programming as a substitute of linear blocking I/O programming.

Open Source 52

Open Source Virtualization Programming Servers 52

Alex Russell

JUNE 20, 2020

3] Oh, and it should be imperatively programmed with Lisp-in-C's-clothing. Recall that browsers arose atop platforms that universally provided a host of services by the late 90's: system fonts (to support layout programs, including WYSIWYG editing). multi-tasking & concurrent programming. high-color image raster.

Hardware 55

Hardware Games Java Media 55

O'Reilly

MARCH 2, 2020

Fetishizing pair programming. If you were involved with professional programming in the 80s and 90s, you may remember how radical it was (and, in many shops, still is) to put software developers in touch with users and customers. This has to do with the concept of bounded context from Domain Driven Design.). Neckbeards?

Artificial Intelligence 21

Artificial Intelligence Software Architecture Programming Infrastructure 21

John McCalpin

NOVEMBER 5, 2016

In the latest (October 2016) revision of Intel’s Instruction Extensions Programming Reference , Intel has disclosed a fairly dramatic departure from these “traditional” approaches. Notes on notation: C[i][j] is invariant in the innermost loop, so I refer to the values in the accumulator as elements of the C array.

Cache 40

Cache C++ Latency Hardware 40

SQL Server According to Bob

JANUARY 11, 2020

​​ With new ​​ innovations ​​ come ​​ new terms, designs, ​​ and ​​ algorithms. This is different from ​​ the reference count design ​​ that was ​​ used in SQL Server 7.0 and ​​ 2000.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

OCTOBER 26, 2018

When it comes down to how WordPress is programmed, one thing is certain: it doesn’t follow the M odel- V iew- C ontroller (MVC) design pattern that many developers are familiar with. Improving performance with the decoupled JSON approach. Security concerns. So, What Exactly Is A Decoupled WordPress?

Cache 79

Cache Website Speed Database 79

Smashing Magazine

NOVEMBER 30, 2021

Adding A Dyslexia-Friendly Mode To A Website written by John C Barstow. Drew McLellan: He’s the author of the Vanilla JavaScript Pocket Guide series, creator of the Vanilla JavaScript Academy Training Program and host of the Vanilla JavaScript Podcast. How To Maintain A Large Next.js Application written by Nirmalya Ghosh. Transcript.

Technology 96

Technology Technology Servers Code 96