Testsigma

SEPTEMBER 23, 2021

During upgrade or maintenance, the devices are updated either with software or hardware. They always have backups, and many servers to provide a reliable and stable environment to test. software and hardware installation upgrades wear and tear. Internet-based. Backups of the servers help in disaster management.

Cloud 96

Cloud Testing Infrastructure Internet 96

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory.

Performance 110

Performance Latency Cache Virtualization 110

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book.

Performance 52

Performance Latency Hardware Storage 52

Smashing Magazine

JANUARY 15, 2019

You may not think about it often, but the Internet uses a colossal amount of electricity. This, in turn, means that the Internet’s carbon footprint has grown to the point where it may have eclipsed global air travel , and this makes the Internet the largest coal-fired machine on Earth. These include data transfer (i.e.

Website Performance 73

Website Performance Website Energy Performance 73

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.

Tuning 52

Tuning Benchmarking Engineering C++ 52

SQL Server According to Bob

JULY 13, 2016

20+ years ago when I joined Microsoft I was handed a diskette (maybe it was two), and was told “Here is SQL Server. So I proceeded to install SQL Server 4.20 desktop machine (I won’t tell you the hardware details. There was a GUI as part of setup but within just a few clicks, SQL Server was installed and ready for use.

Servers 40

Servers Media Engineering Virtualization 40

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory.

Performance 52

Performance Latency Cache Virtualization 52

Rigor

MARCH 20, 2018

I recently was asked the following question by an online retailer: “Why should I invest in monitoring the user experience when I already have monitoring for our database, infrastructure, app server, and network?”. Instead of asking that question, I asked them this: “Are you a network or hosting provider?

Monitoring 40

Monitoring Retail Ecommerce Infrastructure 40

Dotcom-Montior

NOVEMBER 27, 2018

Today’s applications are built on multiple technologies, relying on vast networks of third-party providers and CDN’s. Analyzing server performance (CPU, memory, bandwidth, disk I/O) and database response times. All resources are dedicated to this test – no shared servers. Identifying performance bottlenecks.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

All Things Distributed

JULY 13, 2010

Customers with complex computational workloads such as tightly coupled, parallel processes, or with applications that are very sensitive to network performance, can now achieve the same high compute and networking performance provided by custom-built infrastructure while benefiting from the elasticity, flexibility and cost advantages of Amazon EC2.

Cloud 118

Cloud AWS Automotive Latency 118

KeyCDN

SEPTEMBER 20, 2018

Back-End Error Tracking Back-end, or server-side, errors include things like page exceptions and JavaScript errors. Back-end error tracking is relatively straightforward since all server-side code runs in the same place. While lastly, APM allows you to gather data on server-side bottlenecks.

Strategy 67

Strategy Monitoring Website Google 67

Dynatrace

SEPTEMBER 29, 2021

A standard Docker container can run anywhere, on a personal computer (for example, PC, Mac, Linux), in the cloud, on local servers, and even on edge devices. Just as people use Xerox as shorthand for paper copies and say “Google” instead of internet search, Docker has become synonymous with containers. Networking.

Open Source 302

Open Source Traffic DevOps Cloud 302

Smashing Magazine

SEPTEMBER 3, 2021

The only time the Internet was mentioned was as a tool for communicating with one another without the need to chop down more trees, or for working without a commute. So, when people first started talking about the Internet having similar carbon emissions to the airline industry , I was a bit skeptical.

Website 135

Website Energy Internet Internet 135

The Netflix TechBlog

APRIL 29, 2019

Open Connect Open Connect is Netflix’s content delivery network (CDN). video streaming) takes place in the Open Connect network. The network devices that underlie a large portion of the CDN are mostly managed by Python applications. If any of this interests you, check out the jobs site or find us at PyCon. are you logged in?

Open Source 279

Open Source Network Infrastructure Big Data 279

High Scalability

OCTOBER 24, 2022

Each cloud-native evolution is about using the hardware more efficiently. Network effects are not the same as monopoly control. Cloud providers incur huge fixed costs for creating and maintaining a network of datacenters spread throughout the word. And even that list is not invulnerable. Neither are clouds.

Cloud 187

Cloud Hardware Infrastructure Innovation 187

Scalegrid

MAY 13, 2020

It can scale towards a multi-petabyte level data workload without a single issue, and it allows access to a cluster of powerful servers that will work together within a single SQL interface where you can view all of the data. What Exactly is Greenplum? At a glance – TLDR. The Greenplum Architecture. Greenplum Architectural Design.

Big Data 321

Big Data Database Artificial Intelligence Open Source 321

Tim Kadlec

SEPTEMBER 25, 2014

It’s a device actively being sold by a few prepaid networks. Another interesting note was how significant the impact of hardware has on the timing. Those markets are going to dominate internet growth over the next few years, and affordability is a more necessary feature than a souped up device. That’s a bug.

Latency 41

Latency Google Hardware Servers 41

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

Dotcom-Montior

NOVEMBER 24, 2021

There was a time when standing up a website or application was simple and straightforward and not the complex networks they are today. Do you have a web server? Is the web server running? The last item to check was if the web server was able to talk to the database? The recipe was straightforward. Do you have a database?

Systems 74

Systems Monitoring Hardware Network 74

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. Database downtime can hurt or doom any company with anything to do with the internet.

Availability 107

Availability Database Open Source Hardware 107

Testlodge

JUNE 16, 2021

To secure consumer data, organizations need to make sure that their networks are updated and protected against any malicious activity. The complexity of the software being built and that billions of devices are connected with them through the internet, makes them vulnerable to security threats.

Testing 67

Testing Hardware Open Source Internet 67

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 106

Performance Network Latency Servers 106

All Things Distributed

APRIL 4, 2017

As well as AWS Regions, we also have 24 AWS Edge Network Locations in Europe. After finding it cost prohibitive to use colocation centers in local markets where their users are based, iZettle decided to give up hardware. In making the switch to AWS, WOW air has saved between $30,000 and $45,000 on hardware, and software licensing.

AWS 116

AWS Airlines Latency Games 116

Testsigma

FEBRUARY 5, 2021

These devices ran on a diverse range of OS versions, screen resolutions, and network types. Once you have chosen your target devices, consider the architectural aspect of your hardware. You need strong and reliable servers to manage mobile devices and execute test scripts. Internet and Power Supply. Device Infrastructure.

Mobile 52

Mobile Testing Hardware DevOps 52

O'Reilly

NOVEMBER 28, 2023

If we asked whether their companies were using databases or web servers, no doubt 100% of the respondents would have said “yes.” A year after the first web servers became available, how many companies had websites or were experimenting with building them? Until AI reaches 100%, it’s still in the process of adoption. from education.

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108

Testsigma

MAY 19, 2021

DevOps on their own are meant to slash down the time taken from building a patch to deploying it on the servers. Infrastructure as a Service is the term used for those cloud-based solutions that provide complete infrastructure to the users including all the overheads, hardware, and networking facilities. is a bad idea.

DevOps 59

DevOps Cloud Artificial Intelligence Infrastructure 59

Dotcom-Montior

JUNE 19, 2017

A series of GET requests from an in-house server can’t possibly replicate what actually happens when a website sees a sudden increase in users from all over the world. Thanks to cloud-based virtual servers, LoadView can send traffic to your site or application from around the world.

Performance Testing 40

Performance Testing Testing Performance Virtualization 40

Brendan Gregg

SEPTEMBER 5, 2017

Linux has been adding tracing technologies over the years: kprobes (kernel dynamic tracing), uprobes (user-level dynamic tracing), tracepoints (static tracing), and perf_events (profiling and hardware counters). Oracle VM Server is based on Xen. Live kernel patching is another capability, that is currently being integrated in the 4.x

Virtualization 76

Virtualization AWS Engineering Hardware 76

Highly Scalable

SEPTEMBER 18, 2012

A database should accommodate itself to different data distributions, cluster topologies and hardware configurations. Isolated parts of the database can serve read/write requests in case of network partition. To prevent conflicts, a database must sacrifice availability in case of network partitioning and stop all but one partition.

Database 213

Database Latency C++ Scalability 213

KeyCDN

JULY 11, 2019

This is crucial due to mobile devices requiring additional optimizations because they typically have less powerful hardware and a slower network connection when compared to desktop devices. As Sara Souedan said, not everyone has access to fast internet. Mbps ( Opensignal ). This allows us to so show the CDN difference.

Speed 52

Speed Website Mobile Latency 52

All Things Distributed

NOVEMBER 15, 2010

The early GPU systems were very vendor specific and mostly consisted of graphic operators implemented in hardware being able to operate on data streams in parallel. Programming the GPU evolved in a similar fashion; it started with the early APIs being mainly pass-through to the operations programmed in hardware. Where to go from here?

AWS 136

AWS Latency Programming Architecture 136

MachMetrics

JANUARY 23, 2020

We wanted to have control of the hardware that runs our tests and deliver consistent results. Some visitors will be coming to your site via a blazing fast internet on an overpowered, flagship mobile device. Others will be coming to you from a slow, rural internet connection on a budget laptop. Is your website getting slower?

Speed 62

Speed Testing Website Cache 62

Smashing Magazine

JANUARY 11, 2021

Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. In the end, it’s not the load events or server response times that define the experience, but the perception of how snappy the interface feels. It used to provide an insight into how quickly the server outputs any data.

Performance 145

Performance Cache Media Metrics 145

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 used to provide an insight into how quickly the server outputs any data. What does it mean? 300ms RTT, 1.6

Performance 145

Performance Cache Network Metrics 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? Long FMP usually indicates JavaScript blocking the main thread, but could be related to back-end/server issues as well.

Performance 104

Performance Cache Metrics Network 104