Adrian Cockcroft

JANUARY 17, 2022

There were five trends and topics for 2021, Serverless First, Chaos Engineering, Wardley Mapping, Huge Hardware, Sustainability. I blogged a summary of my map camp talk here: Map Camp 2021?—?links primarily virtual?—?and As well as the video, there’s a long podcast where I discuss them with Mik Kersten.

Serverless 98

Serverless Hardware AWS Architecture 98

Brendan Gregg

JULY 4, 2021

This was a chance to talk about other things I've been working on, such as the present and future of hardware performance. The video is on [youtube]: The slides are on [slideshare] or as a [PDF]: I work on many areas of performance, but recently I've had a lot of demand to talk about BPF.

Performance 140

Performance Latency Hardware Storage 140

Dynatrace

APRIL 15, 2022

Organizations hit this cloud operations wall when replacing static virtual machines with dynamic container orchestration and expanding to multicloud environments. While modern cloud systems simplify tasks — such as deploying apps and provisioning new hardware and servers — cloud environments can be surprisingly complex.

Cloud 177

Cloud Infrastructure Innovation Monitoring 177

Adrian Cockcroft

FEBRUARY 9, 2023

Picture by Adrian — Ka’anapali sunset 2023 There’s been a lot of discussion about platforms recently, I talked about why I think it’s a current hot meme on the WTF Podcast with Charles Humble recently, and Sam Newman just wrote a blog post “ Don’t call it a platform ”.

Engineering 137

Engineering Serverless Lambda AWS 137

ACM Sigarch

MAY 31, 2023

There are three common mechanisms to access remote memory: modifying applications, modifying virtual memory, and hardware-level cache coherence support. About CXL hardware availability with academia. Also, besides the hardware, we see the software ecosystem starts to appear (e.g., Using emulation (e.g.

Latency 52

Latency Hardware Cache Architecture 52

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. HPU: Holographic Processing Unit (HPU) is the specific hardware of Microsoft’s Hololens.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

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. In this blog, we aim to call out some key considerations when trying to assess MySQL performance for your application. Database: MySQL 8.0.31 Be sure to check back.

Performance 54

Performance Benchmarking Cache Storage 54

Percona

JUNE 20, 2023

So, I decided to gather information and write a detailed blog about this issue. In this blog, I will also cover a scenario that causes “segmentation fault.” In order to overcome these issues, the concept of paging and segmentation was introduced, where physical address space and virtual address space were designed.

Programming 83

Programming C++ Database Virtualization 83

Brendan Gregg

JULY 4, 2021

This was a chance to talk about other things I've been working on, such as the present and future of hardware performance. The video is on [youtube]: The slides are [here] or as a [PDF]: first prev next last / permalink/zoom I work on many areas of performance, but recently I've had a lot of demand to talk about BPF.

Performance 52

Performance Latency Hardware Storage 52

HammerDB

OCTOBER 23, 2023

This blog post introduces the new “No stored procedures” option for MariaDB and MySQL introduced with HammerDB v4.9 The data shows a scripted automated workload running a number of back to back tests each time with an increasing number of virtual users. The other ports shows the HammerDB Virtual Users.

Benchmarking 62

Benchmarking Database Network C++ 62

Brendan Gregg

NOVEMBER 29, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance. I'd expect between 0.1%

Virtualization 111

Virtualization AWS Hardware Storage 111

All Things Distributed

JANUARY 23, 2012

The Amazon Virtual Private Cloud extends on-premises compute with all the power of AWS, making it elastic, scalable and highly reliable. Data written to these volumes is maintained on your on-premises storage hardware while being asynchronously backed up to AWS, where it is stored in Amazon S3 in the form of Amazon EBS snapshots.

Storage 115

Storage AWS Virtualization Cloud 115

ACM Sigarch

FEBRUARY 23, 2018

Virtualization, for instance, was being addressed by IBM in the 1960s. Both virtualization and power burst onto the architecture community seemingly out of nowhere even though there was a clear historical basis and trend for both. We believed existing hardware and OS protocols protected the processor.

Architecture 47

Architecture Cache Hardware Virtualization 47

Dotcom-Montior

NOVEMBER 27, 2018

The scripts can be uploaded into the LoadView platform and replayed by a virtually unlimited number of simultaneous users, giving you actual performance from real browsers. These actions are recorded using our EveryStep Web Recorder, allowing you to record and playback virtually any set of critical transaction steps for monitoring.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Testsigma

JULY 3, 2021

More control: While performing on-premise testing, organizations have more control over configurations, setup, hardware, and software. It involves setting up a data center that meets security compliances and other factors like physical components, virtual elements, storage management, physical infrastructure, etc.

Cloud 57

Cloud Testing Storage DevOps 57

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

SQL Performance

JULY 3, 2019

This is the same kind of problem that I talked about in my Extended Events series as well, in this blog post: Using Multiple Targets to Debug Orphaned Transactions. The timeout is not SQL Server related, it is set by the.NET client and the CommandTimeout property, so that too is code related and not SQL Engine related behavior.

Servers 64

Servers Hardware Code Virtualization 64

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%). Correspondingly, more men saw their salaries increase.

Azure 145

Azure Social Media Programming AWS 145

Dotcom-Montior

DECEMBER 8, 2021

You cannot virtualize everything…yet. Software services still require physical devices and hardware for them to function. The post SRE Incident Management: Overview, Techniques, and Tools appeared first on Dotcom-Monitor Web Performance Blog. Change management is also sometimes grouped with release management.

Social Media 90

Social Media Monitoring Latency DevOps 90

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 244

Serverless Efficiency Lambda Azure 244

Brendan Gregg

NOVEMBER 28, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance. I'd expect between 0.1%

Virtualization 40

Virtualization AWS Hardware Storage 40

Nick Desaulniers

MAY 30, 2016

This post is a follow up to my previous blog post about word size. Not having a standards compliant C compiler makes writing more portable C code even trickier, and is a subject for another blog post). Someone from the back shouts virtual machines then ducks as a chair is thrown. Three C/C++ programmers walk into a bar.

C++ 59

C++ Programming Code Hardware 59

Dynatrace

JUNE 29, 2022

They use the same hardware, APIs, tools, and management controls for both the public and private clouds. Amazon Web Services (AWS) Outpost : This offering provides pre-configured hardware and software for customers to run native AWS computing, networking, and services on-premises in a cloud-native manner.

Infrastructure 182

Infrastructure Cloud Azure AWS 182

Brendan Gregg

MARCH 16, 2024

It was also a virtual machine that lacked low-level hardware profiling capabilities, so I wasn't able to do cycle analysis to confirm that the 10% was entirely frame pointer-based. I should do a blog post just on SFrames. The actual overhead depends on your workload. Just to name a couple of languages.

Java 145

Java Cache Google Hardware 145

Percona

AUGUST 22, 2023

This blog article will examine shared attributes of high availability (HA) and fault tolerance (FT). Some of the most important elements include: No single point of failure (SPOF): You must eliminate any SPOF in the database environment, including any potential for an SPOF in physical or virtual hardware.

Availability 78

Availability Hardware Open Source Database 78

SQL Server According to Bob

NOVEMBER 29, 2016

Bob blogged about a new SQL Server 2016 feature called Auto Soft NUMA. Automatic soft-NUMA was enabled because SQL Server has detected hardware NUMA nodes with greater than 8 physical cores. What does this look like in a Virtual Machine? By their nature, virtual machines don’t have a concept of logical or physical processors.

Servers 45

Servers Virtualization Scalability Hardware 45

Dynatrace

AUGUST 11, 2022

Cloud providers then manage physical hardware, virtual machines, and web server software management. App development gets FaaS and furious appeared first on Dynatrace blog. Function as a service is a cloud computing model that runs code in small modular pieces, or microservices. The post What is function as a service?

Development 251

Development Serverless Best Practices Lambda 251

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). But I'm not completely sure.

Speed 126

Speed Java AWS Virtualization 126

SQL Server According to Bob

JULY 13, 2016

desktop machine (I won’t tell you the hardware details. For the rest of this blog post, I want to give you a look “behind the scenes” at this new experience using SQL Server 2016 Developer Edition. In addition, the Download Media option includes a link to create a virtual machine in Azure for SQL Server 2016. Go install it”.

Servers 40

Servers Media Engineering Virtualization 40

Dynatrace

SEPTEMBER 15, 2020

Dynatrace can help customers monitor, troubleshoot, and optimize application performance for workloads operating on AWS Outposts, in AWS Regions, and on customer-owned hardware for a truly consistent hybrid experience.”. The post Dynatrace achieves AWS Outposts Ready designation appeared first on Dynatrace blog. What is AWS Outposts?

AWS 200

AWS Design Cloud Storage 200

Percona

JUNE 12, 2023

This blog provides links to such architectures — for MySQL and PostgreSQL software. The immediate (working) goal and requirements of HA architecture The more immediate (and “working” goal) of an HA architecture is to bring together a combination of extensions, tools, hardware, software, etc.,

Architecture 95

Architecture Availability Open Source Healthcare 95

Alex Podelko

SEPTEMBER 8, 2020

Instead of diving in arguing about specific points (which I partly did in my earlier post – start from The Future of Performance Testing if you are interested), I decided to talk to people who monetize on these “myths” So here is a virtual interview with Guillaume Betaillouloux , co-founder and Performance Director of OctoPerf.

Open Source 223

Open Source Performance Testing Testing Performance 223

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 107

Availability Database Open Source Hardware 107

SQL Server According to Bob

DECEMBER 18, 2018

Linux may need similar utilities to control various hardware cache installations. product: Virtual Disk. Msft Virtual Disk 1.0 You should always validate the Fua capabilities with your device and hardware vendor. Fua = Forced Unit Access. Fua is the standard used to issue an I/O write command in stable data storage.

Servers 90

Servers Media Cache Storage 90

O'Reilly

NOVEMBER 28, 2023

That pricing won’t be sustainable, particularly as hardware shortages drive up the cost of building infrastructure. But that isn’t all the art that a company needs: “hero images” for blog posts, designs for reports and whitepapers, edits to publicity photos, and more are all necessary. Is generative AI the answer? Perhaps not yet.

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108

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

Nick Desaulniers

APRIL 6, 2020

My blog has been quieter than I would have liked; hopefully I can find more time to document some of these, maybe in series form. halt (); Some sort of very early exception handler; better to sit busy in an infinite loop than run off and destroy hardware or corrupt data, I suppose. Recent work. halt_loop: while ( true ).

C++ 67

C++ Hardware Code Virtualization 67