DZone

JANUARY 3, 2024

Through the use of virtualization technology, multiple operating systems can now run on a single physical machine, revolutionizing the way we use computer hardware.

Virtualization 313

Virtualization Education Media Hardware 313

Adrian Cockcroft

JANUARY 17, 2022

There were five trends and topics for 2021, Serverless First, Chaos Engineering, Wardley Mapping, Huge Hardware, Sustainability. The need for systems to be resilient is still increasing, and chaos engineering tools and techniques are developing as a key way to validate that resilience is working as designed. primarily virtual?—?and

Serverless 98

Serverless Hardware AWS Architecture 98

Dynatrace

APRIL 15, 2022

Organizations hit this cloud operations wall when replacing static virtual machines with dynamic container orchestration and expanding to multicloud environments. In the past, severe database issues seriously hurt system performance, causing delayed shipping times for prescriptions. “We have a rich metric expression language.

Cloud 174

Cloud Infrastructure Innovation Monitoring 174

Scalegrid

FEBRUARY 8, 2024

A distributed storage system is foundational in today’s data-driven landscape, ensuring data spread over multiple servers is reliable, accessible, and manageable. This guide delves into how these systems work, the challenges they solve, and their essential role in businesses and technology.

Storage 130

Storage Systems Big Data Azure 130

ACM Sigarch

APRIL 26, 2018

EPU: Emotion Processing Unit is designed by Emoshape , as the MCU microchip design to enable a true emotional response in AI, robots and consumer electronic devices as a result of a virtually unlimited cognitive process. For example, Nvidia’s Volta-based Quadro GV100 and DGX-2 was just announced at GTC’18. The new GV100 packs 7.4

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Alex Podelko

OCTOBER 20, 2016

Cloud seriously impacts system architectures that has a lot of performance-related consequences. First, we have a shift to centrally managed systems. Software as a Service’ (SaaS) basically are centrally managed systems with multiple tenants/instances. -New Architectures (this post). – New Technologies.

Performance Testing 100

Performance Testing Architecture Testing Performance 100

HammerDB

OCTOBER 23, 2023

HammerDB has always used stored procedures as a design decision because the original benchmark was implemented as close as possible to the example workload in the TPC-C specification that uses stored procedures. As an example from the TPC-C specification, this is the Stock Level procedure. On MySQL, we saw a 1.5X

Benchmarking 62

Benchmarking Database Network C++ 62

The Netflix TechBlog

NOVEMBER 9, 2022

While we understand it’s virtually impossible to achieve a linear increase in throughput as the number of vCPUs grow, a near-linear increase is attainable. a contiguous chunk of data (typically 64 bytes on x86 systems) transferred to and from the cache. Thread 0’s cache in this example.

Hardware 363

Hardware Cache Performance Latency 363

HammerDB

APRIL 19, 2023

Regardless of whether the computing platform to be evaluated is on-prem, containerized, virtualized, or in the cloud, it is crucial to consider several essential factors. Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. Operating System: Ubuntu 22.04

Performance 54

Performance Benchmarking Cache Storage 54

Percona

JUNE 20, 2023

In order to overcome these issues, the concept of paging and segmentation was introduced, where physical address space and virtual address space were designed. Here, virtual(logical) to physical address translation is much easier as segment tables store adequate information. Below is an example of reading the core dump. $

Programming 85

Programming C++ Database Virtualization 85

HammerDB

DECEMBER 5, 2020

For example HammerDB has not used tpmC terminology to report TPC-C based metrics instead using TPM and NOPM nomenclature. A full understanding of why this is important requires some knowledge of the evolution of database hardware and software. I.e. if system A generated 1.5X

C++ 40

C++ Benchmarking Virtualization Open Source 40

Brendan Gregg

AUGUST 18, 2019

For example, iostat(1), or a monitoring agent, may tell you your average disk latency, but not the distribution of this latency. This example instrumented one of many thousands of available events. bpftrace uses BPF (Berkeley Packet Filter), an in-kernel execution engine that processes a virtual instruction set.

Latency 68

Latency C++ Cache Programming 68

Smashing Magazine

SEPTEMBER 21, 2021

I couldn’t start my system anymore. All and all, it took me days to get back to the system I had before the crash. I can reinstall my whole system with a bunch of scripts I’ve written, including all the tools I use and their configurations. Note : The tools I advocate in this article work on Linux-based systems.

Development 98

Development Energy Programming Efficiency 98

Dotcom-Montior

DECEMBER 8, 2021

Systems, web applications, servers, devices, etc., SREs and DevOps teams can use these incidents to build back better and improve their systems and services. Now that we have talked about what an incident is, incident management is the process by which teams resolve these events and bring systems and services back to normal operation.

Social Media 90

Social Media Monitoring Latency DevOps 90

All Things Distributed

JANUARY 23, 2012

Werner Vogels weblog on building scalable and robust distributed systems. The Amazon Virtual Private Cloud extends on-premises compute with all the power of AWS, making it elastic, scalable and highly reliable. Here are three example use cases that we envision for the AWS Storage Gateway. All Things Distributed. Comments ().

Storage 115

Storage AWS Virtualization Cloud 115

Dotcom-Montior

NOVEMBER 11, 2020

Serverless computing can be a huge benefit to organizations that don’t have the necessary resources or teams to manage physical resources, like servers/hardware, and all the maintenance and licensing that goes along with that, allowing them to focus on developing their code and applications. Benefits of a Serverless Model.

Serverless 57

Serverless Monitoring Lambda Latency 57

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

Dynatrace

JANUARY 26, 2021

Traditional computing models rely on virtual or physical machines, where each instance includes a complete operating system, CPU cycles, and memory. VMware commercialized the idea of virtual machines, and cloud providers embraced the same concept with services like Amazon EC2, Google Compute, and Azure virtual machines.

Serverless 242

Serverless Efficiency Lambda Azure 242

O'Reilly

SEPTEMBER 15, 2021

Our audience is particularly strong in the software (20% of respondents), computer hardware (4%), and computer security (2%) industries—over 25% of the total. As Figure 3 shows, the percentage of men and women respondents who saw no change was virtually identical (18%). Certified Information Systems Security Professional a.k.a.

Azure 145

Azure Social Media Programming AWS 145

All Things Distributed

SEPTEMBER 4, 2017

Both concepts are virtually omnipresent and at the top of most buzzword rankings. The management consultants at McKinsey expect that the global market for AI-based services, software and hardware will grow annually by 15-25% and reach a volume of around USD 130 billion in 2025. New division of labor.

Artificial Intelligence 147

Artificial Intelligence Transportation Education Airlines 147

Abhishek Tiwari

DECEMBER 27, 2017

Containerized data workloads running on Kubernetes offer several advantages over traditional virtual machine/bare metal based data workloads including but not limited to. Twitter Heron is another good example of this approach. In fact, if we go by current trends containerised microservices running on Kubernetes are the future.

Big Data 63

Big Data Storage Benchmarking Hardware 63

All Things Distributed

DECEMBER 20, 2017

In today's era of global digitalization there are many examples that show that IT does matter. These examples underline that the purpose of software today is not solely to support business processes, but that software solutions have broadly become an essential element in multiple business areas. More than mere support.

Artificial Intelligence 79

Artificial Intelligence Social Media Logistics AWS 79

Abhishek Tiwari

JULY 12, 2018

In a nutshell, a data pipeline is a distributed system. A data pipeline is a software which runs on hardware. The software is error-prone and hardware failures are inevitable. As an example, for a completely new pipeline, we can't be sure if x% drop in data processing is an anomaly or an expected behaviour.

Latency 63

Latency Analytics Scalability Engineering 63

Dotcom-Montior

NOVEMBER 24, 2021

Web developers or administrators did not have to worry or even consider the complexity of distributed systems of today. Great, your system was ready to be deployed. Once the system was deployed, to ensure everything was running smoothly, it only took a couple of simple checks to verify. What is a Distributed System?

Systems 74

Systems Monitoring Hardware Network 74

SQL Performance

DECEMBER 17, 2019

This removes the burden of purchasing and maintaining your hardware, storage and networking infrastructure, while still giving you a very familiar experience with Windows and SQL Server itself. You will still have to maintain your operating system, SQL Server and databases just like you would in an on-premises scenario.

Azure 72

Azure Virtualization Servers Storage 72

Percona

AUGUST 22, 2023

We’ll wrap it up by suggesting high availability open source solutions, and we’ll introduce you to support options for ensuring continuous high performance from your systems. A basic high availability database system provides failover (preferably automatic) from a primary database node to redundant nodes within a cluster.

Availability 80

Availability Hardware Open Source Database 80

Nick Desaulniers

MAY 30, 2016

Someone from the back shouts virtual machines then ducks as a chair is thrown. One important point the paper makes makes that’s easily missed is that typedef wasn’t added to C until 1977 when hardware manufactures still couldn’t agree on how many bits were in a char (CHAR_BITS) and some machines were using 24b addressing schemes.

C++ 59

C++ Programming Code Hardware 59

Dynatrace

NOVEMBER 3, 2022

These containers are software packages that include all the relevant dependencies needed to run software on any system. Instead, enterprises manage individual containers on virtual machines (VMs). Container-based software isn’t tied to a platform or operating system, so IT teams can move or reconfigure processes easily.

Serverless 216

Serverless Azure Hardware Transportation 216

Brendan Gregg

MARCH 16, 2024

The problem is that this system has a default libc that has been compiled without frame pointers, so any stack walking stops at the libc layer, producing a partial stack that's missing the application frames. These partial stacks get grouped together on the left. Click here for a longer explanation. You usually get an extra junk frame.

Java 145

Java Cache Google Hardware 145

SQL Server According to Bob

NOVEMBER 29, 2016

The best way to give you the inside details on how this work is to use an example. Your NUMA system may not have different processor groups for each node. Here is another example from another two node system I have with one processor group. Why did SQL Server take this 4 node system and now split into 16 nodes?

Servers 45

Servers Virtualization Scalability Hardware 45

Dynatrace

JUNE 29, 2022

For example, workflows from both public and private cloud resources can support an application. They use the same hardware, APIs, tools, and management controls for both the public and private clouds. This orchestration layer uses software-based tools to automate IT tasks and manage resources—virtualized or other.

Infrastructure 179

Infrastructure Cloud Azure AWS 179

Dynatrace

AUGUST 11, 2022

Cloud providers then manage physical hardware, virtual machines, and web server software management. Because a third party manages part of the infrastructure, IT teams give up a measure of control over system architecture. Consider a monolithic application, for example, designed to perform a host of functions.

Development 247

Development Serverless Best Practices Lambda 247

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. Some disruption might occur, but it will be minimal. More in the following sub-section.)

Availability 110

Availability Database Open Source Hardware 110

SQL Server According to Bob

JULY 13, 2016

desktop machine (I won’t tell you the hardware details. And the Operating System environment for Windows Server has become more robust but has introduced more features and complexity. Here is what it looked like on my system. Here is the example screen if a restart was required before we can proceed. Go install it”.

Servers 40

Servers Media Engineering Virtualization 40

SQL Server According to Bob

DECEMBER 18, 2018

Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently. For example, if a flight booking reports that a seat has successfully been booked, then the seat will remain booked even if the system crashes.” – [link]. The Back Story.

Servers 90

Servers Media Cache Storage 90

HammerDB

JUNE 27, 2022

It enables the user to measure database performance and make comparative judgements about database hardware and software. HammerDB has graphical and command line interfaces for the Windows and Linux operating systems. The workload also outputted the data from the Virtual Users by simulating individual terminals.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

All Things Distributed

MARCH 11, 2016

Build evolvable systems. But we couldn’t adopt the old style approach of upgrading systems through a maintenance outage, as many businesses around the world are relying on our platform for 24/7 availability. This is a given, whether you are using the highest quality hardware or lowest cost components. Primitives not frameworks.

AWS 144

AWS Hardware Retail Virtualization 144