Dynatrace

DECEMBER 15, 2022

This transition to public, private, and hybrid cloud is driving organizations to automate and virtualize IT operations to lower costs and optimize cloud processes and systems. Besides the traditional system hardware, storage, routers, and software, ITOps also includes virtual components of the network and cloud infrastructure.

Artificial Intelligence 198

Artificial Intelligence DevOps Hardware Virtualization 198

The Morning Paper

MARCH 1, 2020

We looked at a couple of papers that had pre-prints available last week, today we’ll be looking at one of the most anticipated papers of this year’s crop: Amazon’s Firecracker. Firecracker is the virtual machine monitor (VMM) that powers AWS Lambda and AWS Fargate, and has been used in production at AWS since 2018.

Serverless 101

Serverless Virtualization Lambda AWS 101

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

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. These storage nodes collaborate to manage and disseminate the data across numerous servers spanning multiple data centers.

Storage 130

Storage Systems Big Data Azure 130

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. At Netflix, we've been using these technologies as they've been made available for instance types in the AWS EC2 cloud. Each dimension has progressed through these stages: 1.

Virtualization 111

Virtualization AWS Hardware Storage 111

Dynatrace

JANUARY 16, 2023

Accordingly, the remaining 27% of clusters are self-managed by the customer on cloud virtual machines. On-premises data centers invest in higher capacity servers since they provide more flexibility in the long run, while the procurement price of hardware is only one of many cost factors.

Open Source 340

Open Source Java Operating System Programming 340

Dynatrace

AUGUST 11, 2022

Cloud providers then manage physical hardware, virtual machines, and web server software management. This code is then executed on remote servers in response to an event, such as users interacting with functional web elements. Increased availability. How does function as a service work?

Development 247

Development Serverless Best Practices Lambda 247

KeyCDN

FEBRUARY 22, 2023

Chatbots and virtual assistants Chatbots and virtual assistants are becoming more common on websites and web applications as they provide an efficient and convenient way for users to interact with a business. Another benefit is cost savings associated with server and data center setup and maintenance.

Artificial Intelligence 111

Artificial Intelligence Development Serverless Website 111

Scalegrid

APRIL 16, 2020

Each of these models is suitable for production deployments and high traffic applications, and are available for all of our supported databases, including MySQL , PostgreSQL , Redis™ and MongoDB® database ( Greenplum® database coming soon). Here are the databases and cloud providers supported through each model: Supported Databases.

Cloud 242

Cloud Azure AWS Database 242

Testlodge

APRIL 14, 2021

These systems are a combination of different hardware and software which have been configured to perform the desired task. Configuration testing is performed to discover the optimum combinations of software and hardware specifications that allow the system to work without flaws. Types of Configuration Testing.

Testing 89

Testing Hardware Virtualization Operating System 89

Dynatrace

APRIL 15, 2022

Organizations hit this cloud operations wall when replacing static virtual machines with dynamic container orchestration and expanding to multicloud environments. The agency executed one of the largest email migrations from on-premises Exchange servers to Microsoft Office 365 — moving almost 480,000 mailboxes to the cloud.

Cloud 174

Cloud Infrastructure Innovation Monitoring 174

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. At Netflix, we've been using these technologies as they've been made available for instance types in the AWS EC2 cloud. Each dimension has progressed through these stages: 1.

Virtualization 40

Virtualization AWS Hardware Storage 40

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. The Back Story.

Servers 90

Servers Media Cache Storage 90

Percona

SEPTEMBER 1, 2023

To address these challenges, architects must design robust and scalable MongoDB databases and adopt appropriate sharding strategies that can efficiently handle increasing workloads while ensuring continuous availability. Sharding is a preferred approach for database systems facing substantial growth and needing high availability.

Best Practices 73

Best Practices Traffic Database Servers 73

Percona

AUGUST 15, 2023

In this blog post, I provide an in-depth introduction to MySQL Replication, answering what it is, how it works , its benefits and challenges, as well as reviewing some of the MySQL replication concepts that are part of the MySQL environment (and Percona Server for MySQL specifically). Set the server-id to a unique value.

Servers 52

Servers Database Availability Traffic 52

SQL Performance

AUGUST 27, 2019

On August 7, 2019, AMD finally unveiled their new 7nm EPYC 7002 Series of server processors, formerly code-named "Rome" at the AMD EPYC Horizon Event in San Francisco. This is the second generation EPYC server processor that uses the same Zen 2 architecture as the AMD Ryzen 3000 Series desktop processors.

Servers 52

Servers Benchmarking Virtualization Architecture 52

HammerDB

JUNE 27, 2022

It enables the user to measure database performance and make comparative judgements about database hardware and software. These factors meant that often when looking for database performance information, the results for a particular combination of software and hardware were not available. What is HammerDB? Supported Databases.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. This will help you increase system performance and avoid I/O environment errors.

Servers 40

Servers Cache Media Hardware 40

ACM Sigarch

MAY 31, 2023

Memory disaggregation separates memory pools from traditional server boxes, enabling more flexible resource allocation and potentially reducing costs. There are three common mechanisms to access remote memory: modifying applications, modifying virtual memory, and hardware-level cache coherence support. Using emulation (e.g.

Latency 52

Latency Hardware Cache Architecture 52

Dotcom-Montior

NOVEMBER 24, 2021

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? These systems can include physical servers, containers, virtual machines, or even a device, or node, that connects and communicates with the network. Do you have a database?

Systems 74

Systems Monitoring Hardware Network 74

HammerDB

OCTOBER 23, 2023

The data shows a scripted automated workload running a number of back to back tests each time with an increasing number of virtual users. Use the performance metrics available in the database first before looking at data further down in the stack. the amount of data from the server to the client to achieve the same result.

Benchmarking 62

Benchmarking Database Network C++ 62

HammerDB

FEBRUARY 25, 2021

To benchmark a database we introduce the concept of a Virtual User. When we have multiple CPU cores on both the benchmark client and database server it is crucial that these database sessions run independently of each other at the same time, in parallel. The following is an example from TPROC-C from SQL Server. select top 100.

Programming 67

Programming Benchmarking Virtualization C++ 67

Brendan Gregg

MARCH 16, 2024

This technique saves two instructions in the prologue and epilogue and makes one additional general-purpose register (%rbp) available." 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.

Java 145

Java Cache Google Hardware 145

SQL Performance

APRIL 27, 2020

Many of the newer features we have in SQL Server were initially launched in Azure SQL Database, including (but not limited to) Always Encrypted, Dynamic Data Masking, Row Level Security, and Query Store. Gen 5 is the primary hardware option now for most regions since Gen 4 is aging out. DTU Pricing Tier. GB per vCore.

Azure 55

Azure Database Serverless Hardware 55

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. This server is spending about a third of its CPU cycles just checking the time! As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. 30.14% in the middle of the flame graph.

Speed 126

Speed Java AWS Virtualization 126

SQL Server According to Bob

JANUARY 11, 2020

Microsoft, ​​ Windows, ​​ Windows NT, ​​ and Windows Server ​​ are registered trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

Servers 40

Servers Cache Database Media 40

KeyCDN

JANUARY 23, 2020

A wide range of users with different operating systems, browsers, hardware configurations and other variables provides a wide sample size that helps developers discover as many issues as possible. APM has two primary goals: ensuring application availability and optimizing application performance. Basic server metrics.

Strategy 72

Strategy Metrics Monitoring Servers 72

Percona

APRIL 17, 2023

Note that the intent of tuning the settings is not exclusively about improving performance but also enhancing the high availability and resilience of the MongoDB database. There is an issue with this, which causes the OS to swap even with memory available. Without further ado, let’s start with the OS settings. 25.84 - Total 21.04

Best Practices 52

Best Practices Design Tuning Database 52

HammerDB

DECEMBER 5, 2020

A full understanding of why this is important requires some knowledge of the evolution of database hardware and software. In the days before highly performant SSDs and persistent memory, database benchmarks had a significant challenge in comparing performance due to the available I/O performance.

C++ 40

C++ Benchmarking Virtualization Open Source 40

Testsigma

FEBRUARY 5, 2021

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. In the case of weak Wi-Fi points, you would struggle with timeouts or slow server responses. Device Infrastructure. Automated Testing. Conclusion.

Mobile 52

Mobile Testing Hardware DevOps 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

SQL Performance

JULY 3, 2019

A recent consulting engagement was focused on blocking issues inside of SQL Server that were causing delays in processing user requests from the application. Depending on which DMV you look at for SQL Server, a session can have a few different statuses. So, we had to dig in further. Understanding Session Status.

Servers 64

Servers Hardware Code Virtualization 64

Adrian Cockcroft

JUNE 21, 2022

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. We had specializations in hardware, operating systems, databases, graphics, etc.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Dotcom-Montior

NOVEMBER 27, 2018

Response times, quality, and availability are critical factors that need to be assessed before pushing applications into production. 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

HammerDB

OCTOBER 12, 2018

As is also the case this limitation is at the database level (especially the storage engine) rather than the hardware level. Historically MySQL has been positioned for supporting web-based applications this is in contrast to enterprise based database workloads that have been served by commercial databases such as Oracle, Db2 and SQL Server.

Best Practices 40

Best Practices Scalability Performance C++ 40

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

Adrian Cockcroft

NOVEMBER 13, 2023

The carbon footprint of a large rack mounted server is order-of-magnitude a ton of carbon a year. The marginal emisions in real time can be obtained via a commercial service from Watttime , but is not freely available to a cloud end user trying to deciding what to run where, when, to minimize carbon.

Energy 52

Energy Cloud Traffic Transportation 52