Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Without enough infrastructure (physical or virtualized servers, networking, etc.),

Availability 104

Availability Database Open Source Hardware 104

Smashing Magazine

AUGUST 3, 2021

Lots can go wrong: a network request fails, a third-party library breaks, a JavaScript feature is unsupported (assuming JavaScript is even available), a CDN goes down, a user behaves unexpectedly (they double-click a submit button), the list goes on. How To Build Resilient JavaScript UIs. Callum Hart. 2021-08-03T11:00:00+00:00.

Network 145

Network Engineering Availability Monitoring 145

Testsigma

JUNE 3, 2021

These errors are caught during software documentation testing. Hardware error. We focus on software so much that we forget about the hardware failures. If the hardware gets disconnected or stops working then we cannot expect correct output from the software. Hardware issues. Coding practices. Sign up Now.

Software 82

Software Software Testing Hardware 82

Testsigma

MAY 3, 2021

From operating systems to versions to hardware specs, mobile devices stand unique even after being billions in number. But testing this is essential too because data communication over the network cannot be eliminated by putting all the files into the device storage. Side-By-Side View for multi-tasking.

Mobile 77

Mobile Testing Operating System Hardware 77

Percona

FEBRUARY 24, 2023

These color-coded states on panels are available in PMM 2.32.0 From AWS documentation , Amazon EBS is an easy-to-use, scalable, high-performance block-storage service designed for Amazon EC2. Configuration of the CPU metrics can be changed in the dashboard. Amazon Elastic Block Store (EBS) is your good-to-go option for disk space.

Cloud 116

Cloud Serverless AWS Storage 116

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82

Mobile Testing Hardware C++ 82

HammerDB

APRIL 19, 2023

As database performance is heavily influenced by the performance of storage, network, memory, and processors, we must understand the upper limit of these key components. There are several ways to find out this information with the easiest way being by referring to the documentation. For storage, FIO is generally used. 4.22 %usr 38.40

Performance 54

Performance Benchmarking Cache Storage 54

Tech News Gather

JUNE 30, 2023

It combines hardware, software, data, and people to facilitate effective decision-making by providing a deeper understanding of the relationships between different locations and their attributes. Understanding GIS Technology GIS technology is a system that captures, stores, analyzes, and visualizes geographical and spatial data.

Technology 52

Technology Technology Development Retail 52

Smashing Magazine

APRIL 29, 2021

Lazy-load offscreen images (reduce network contention for key resources). For low impact to First Input Delay : Avoid images causing network contention with other critical resources like CSS and JS. The above code with an alt specified looks as follows: <img src="donut.jpg" alt="A delicious pink donut."> Large preview ).

Media 145

Media Network Metrics Mobile 145

CSS - Tricks

AUGUST 18, 2020

When even a bit of React can be a problem on devices slow and fast alike, using it is an intentional choice that effectively excludes people with low-end hardware. It makes organizing code easier. Server rendering is also cool—even if that’s just how we say “send HTML over the network” these days. I think JSX is great.

Performance 101

Performance Mobile Servers Code 101

Smashing Magazine

JANUARY 11, 2021

Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3.

Performance 145

Performance Cache Media Metrics 145

Percona

JULY 7, 2023

Also, in general terms, a high availability PostgreSQL solution must cover four key areas: Infrastructure: This is the physical or virtual hardware database systems rely on to run. Without enough infrastructure (physical or virtualized servers, networking, etc.), there cannot be high availability. If so, what are the legal liabilities?

Availability 82

Availability Open Source Architecture Database 82

The Morning Paper

MARCH 3, 2020

Physalia is designed to offer consistency and high-availability, even under network partitions. In fact, each key needs to be available at only three points in the network: the AWS EC2 instance that is the client of the volume, the primary copy, and the replica copy. In practice, however, achieving high availability is challenging.

Database 106

Database AWS Network Design 106

Testsigma

FEBRUARY 6, 2020

” In Static Testing, code is not executed. Documents like requirements documents, design documents, code are reviewed and review comments are provided at early stages of Software Lifecycle. Examples of Static Testing-Walkthrough, Reviews, Static Code Review, Inspection. Hence, the ROI is low.

Software 69

Software Software Testing Scalability 69

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. Budgets are scaled to a benchmark network & device. This isn’t true (more on that in a follow-up post), and sites which are built this way implicitly require more script in each document (e.g., for router components).

Performance 68

Performance Benchmarking Network Mobile 68

Adrian Cockcroft

JUNE 2, 2023

One example is that Netflix launched it’s streaming service in 2007, just at the point when the cost of streaming a movie over the network (which was dropping fast) became less than the cost of shipping a DVD. The current sweet spot for tools like ChatGPT is where there is a lot of documentation and consensus around a subject.

Social Media 98

Social Media Innovation Open Source Entertainment 98

SQL Server According to Bob

SEPTEMBER 26, 2016

When we released Always On Availability Groups in SQL Server 2012 as a new and powerful way to achieve high availability, hardware environments included NUMA machines with low-end multi-core processors and SATA and SAN drives for storage (some SSDs). As we moved towards SQL Server 2014, the pace of hardware accelerated.

Availability 40

Availability Servers Hardware Benchmarking 40

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It’s much easier to reach performance goals when the code base is fresh or is just being refactored. 300ms RTT, 1.6

Performance 145

Performance Cache Network Metrics 145

Brendan Gregg

SEPTEMBER 5, 2017

It uses a Solaris Porting Layer (SPL) to provide a Solaris-kernel interface on Linux, so that unmodified ZFS code can execute. There's also a ZFS send/recv code path that should try to use the TASK_INTERRUPTIBLE flag (as suggested by a coworker), to avoid a kernel hang (can't kill -9 the process). LTS (April 2016).

Virtualization 76

Virtualization AWS Engineering Hardware 76

Alex Russell

APRIL 29, 2021

After 20 years of neck-in-neck competition, often starting from common code lineages, there just isn't that much left to wring out of the system. Real-time network protocols for enabling videoconferencing, desktop sharing, and game streaming applications. Healthy competition features various parties trading the lead with regularity.

Media 145

Media Games Education Engineering 145

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled network (e.g.

Performance 104

Performance Cache Metrics Network 104

Abhishek Tiwari

DECEMBER 13, 2017

More importantly, if this works out well, this could lead to a radical improvement in performance by leveraging hardware trends such as GPUs and TPUs. The benchmarking was performed using 3 real-world data sets (weblogs, maps, and web-documents), and 1 synthetic dataset (lognormal). Learned indexes.

Artificial Intelligence 40

Artificial Intelligence Hardware Google Benchmarking 40

Smashing Magazine

JANUARY 21, 2021

And suddenly, before you know it, the code base gets a little bit overweight and fragmented , third-party scripts have to load just a little bit earlier, and shiny new dynamic content finds its way into the DOM through the backdoors of fourth-party scripts and their uninvited guests. On some article pages, the graph looked differently.

Performance 145

Performance Cache Mobile Network 145

SQL Server According to Bob

JANUARY 11, 2020

Copyright The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Microsoft may have patents, patent applications, trademarks, copyrights, or other intellectual property rights covering subject matter in this document.

Servers 40

Servers Cache Media Hardware 40

Alex Russell

JULY 14, 2021

Because they lean on the system-provided WebView component, they do not need to pay the expense of a heavier app download to support rendering HTML, running JavaScript, decoding images, or loading network resources. To quote the Android documentation , a WebView is.: Hardware access APIs, notably: Geolocation. What is a WebView?

Google 121

Google Mobile Engineering Traffic 121

Dynatrace

AUGUST 5, 2019

There is no code or configuration change necessary to capture data and detect existing services. While most of our cloud & platform partners have their own dependency analysis tooling, most of them focus on basic dependency detection based on network connection analysis between hosts. Where to reduce data transfer in general?

Cloud 31

Cloud Traffic Database Network 31

Dotcom-Montior

OCTOBER 12, 2017

Its powerful OneAgent injects all services automatically, captures the service flow and all interactions from the end user, network, and middleware through backend tiers and provides insights to actual bottlenecks. Used this documentation for the setup: [link]. Detailed documentation: [link]. Verify hardware sizing.

AWS 40

AWS Tuning Monitoring Servers 40

HammerDB

FEBRUARY 25, 2021

For simplicity, we do not include networking or transaction management middleware in this discussion because although important in the real world they do not affect the key concepts. Running a performance profiling tool such as perf in Linux we can see that the top event is TEBCresume standing for Tcl Execute Byte Code.

Programming 67

Programming Benchmarking Virtualization C++ 67

Abhishek Tiwari

JULY 12, 2018

A data pipeline is a software which runs on hardware. The software is error-prone and hardware failures are inevitable. It uses many possible geo-location attributes extracted from device fingerprint including country, state, city, zip-code, latitude, and longitude.

Latency 63

Latency Analytics Scalability Engineering 63

Smashing Magazine

FEBRUARY 5, 2019

Although modern iOS hardware is powerful enough to handle many intensive and complex tasks, the device could still feel unresponsive if you are not careful about how your app performs. Avoid doing complex calculation, networking, and heavy IO operation (e.g. iOS Performance Tricks To Make Your App Feel More Performant. Large preview ).

Performance 77

Performance Energy Operating System Code 77

O'Reilly

NOVEMBER 28, 2023

And there are tools for archiving and indexing prompts for reuse, vector databases for retrieving documents that an AI can use to answer a question, and much more. That pricing won’t be sustainable, particularly as hardware shortages drive up the cost of building infrastructure. It’s also well suited to writing a quick email.

Open Source 111

Open Source Artificial Intelligence Google Infrastructure 111

O'Reilly

SEPTEMBER 19, 2023

” Each step has been a twist on “what if we could write code to interact with a tamper-resistant ledger in real-time?” Doubly so as hardware improved, eating away at the lower end of Hadoop-worthy work. Mental contortions led to code contortions led to frustration. And, often, to giving up.

Hardware 101

Hardware Storage Big Data Blockchain 101

SQL Server According to Bob

JANUARY 11, 2020

Copyright The information ​​ that is contained ​​ in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. After reading ​​ this document you will better understand SQL Server I/O needs and capabilities.

Servers 40

Servers Cache Database Media 40

SQL Server According to Bob

JULY 13, 2016

desktop machine (I won’t tell you the hardware details. So the initial time to run this all depends on your network speed. Behind the scenes we are running our actual setup code (which uses Windows Installer) but using a configuration file with predefined settings and putting a simple UI over the execution. Go install it”.

Servers 40

Servers Media Engineering Virtualization 40

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. An often used metaphor is that of a pipe used to transport water. Congestion Control.

Performance 107

Performance Network Latency Servers 107

O'Reilly

JULY 20, 2021

Few things within a home are restricted–possibly a safe with important documents. The concept of Zero Trust Networks speaks to this problem. When more complicated routines are required to meet the needs, how does someone allow for changes without writing code, if they are allowed to? Lots of problems, now what?

Google 121

Google Games Technology Technology 121

High Scalability

NOVEMBER 25, 2019

To add elasticity, reliability and durability, these data centers are connected to Google Cloud platform using high speed, secure Google Interconnect network. Document store. Java used to power core file system code. Python used to power client-side code, certain microservices, migration scripts, internal scripts.

Architecture 52

Architecture Cache Azure Storage 52