Dynatrace

JUNE 25, 2020

Our Premium High Availability comes with the following features: Active-active deployment model for optimum hardware utilization. Save on costs for hardware and network bandwidth to optimize total cost of ownership. Take your time to prepare hardware, network and other infrastructure adjustments so you are ready. How it works.

Availability 251

Availability Hardware Latency Traffic 251

Percona

APRIL 17, 2023

In this blog post, we will discuss the best practices on the MongoDB ecosystem applied at the Operating System (OS) and MongoDB levels. Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100.

Best Practices 52

Best Practices Design Tuning Database 52

Testlodge

APRIL 14, 2021

A software tester’s work life includes making sure that systems that have been designed to achieve specific results behave exactly as they should. These systems are a combination of different hardware and software which have been configured to perform the desired task. An Example. Types of Configuration Testing.

Testing 89

Testing Hardware Virtualization Operating System 89

Testlodge

NOVEMBER 12, 2021

Software testers explore the effectiveness of processes that should lead to quality software products to make sure they perform the purpose for which they have been designed. For medium to large scale applications, compatible with all commonly available operating systems and internet browsers is essential. Files may not show.

Testing 78

Testing Hardware Operating System Mobile 78

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., Microservices fundamentally change a lot of assumptions current cloud systems are designed with, and present both opportunities and challenges when optimizing for quality of service (QoS) and utilization.

Open Source 61

Open Source Hardware Benchmarking Systems 61

Scalegrid

JANUARY 25, 2024

Understanding Redis Performance Indicators Redis is designed to handle high traffic and low latency with its in-memory data store and efficient data structures. It can achieve impressive performance, handling up to 50 million operations per second. offers the Software Watchdog specifically designed for this purpose.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

APRIL 5, 2021

You will likely need to write code to integrate systems and handle complex tasks or incoming network requests. As a bonus, operations staff never needs to update operating systems or hardware, because AWS manages servers with no stoppage of application functionality. How does AWS Lambda work?

Lambda 184

Lambda AWS Serverless Hardware 184

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.

Serverless 98

Serverless Hardware AWS Architecture 98

The Morning Paper

DECEMBER 10, 2019

. …software operating on persistent data structures requires "global" pointers that remain valid after a process terminates, while hardware requires that a diverse set of devices all have the same mappings they need for bulk transfers to and from memory, and that they be able to do so for a potentially heterogeneous memory system.

Hardware 52

Hardware Virtualization Operating System Programming 52

ACM Sigarch

OCTOBER 25, 2019

When it comes to hardware support to mitigate software security issues, there is a significant gap between what is available in products today and known solutions. Attestation—Providing systems the means to attest or verify the integrity of their components. hardware support for malware detection/prevention).

Hardware 98

Hardware Virtualization Architecture Games 98

Percona

AUGUST 30, 2023

In general terms, here are potential trouble spots: Hardware failure: Manufacturing defects, wear and tear, physical damage, and other factors can cause hardware to fail. heat) can damage hardware components and prompt data loss. Without data backup mechanisms, there can be data loss or system downtime.

Database 85

Database Hardware Open Source Strategy 85

Randon ASCII

OCTOBER 4, 2020

First, a bit of operating-system design context. Ideally the CPU goes to sleep when Sleep(1) is called, in order to save power, so how does the operating system (OS) wake your thread if the CPU is sleeping? The answer is hardware interrupts. Timer interrupts and their raison d’être.

Programming 145

Programming Games Hardware Operating System 145

The Netflix TechBlog

JUNE 4, 2019

Because microprocessors are so fast, computer architecture design has evolved towards adding various levels of caching between compute units and the main memory, in order to hide the latency of bringing the bits to the brains.

Cache 251

Cache Latency Airlines Logistics 251

The Morning Paper

MARCH 1, 2020

The ideal isolation solution would have the following properties: Strong isolation (multiple functions on the same hardware, protected against privilege escalation, information disclosure, covert channels, and other risks). The design of Firecracker.

Serverless 101

Serverless Virtualization Lambda AWS 101

Percona

MAY 1, 2023

Key areas include: Configuration parameter tuning : This tuning involves altering variables such as memory allocation, disk I/O settings, and concurrent connections based on specific hardware and requirements. This not only results in cost savings by minimizing hardware requirements but also has the potential to decrease cloud expenses.

Tuning 52

Tuning Efficiency Database Performance 52

All Things Distributed

MARCH 11, 2016

Failures are a given and everything will eventually fail over time: from routers to hard disks, from operating systems to memory units corrupting TCP packets, from transient errors to permanent failures. 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

The Morning Paper

DECEMBER 8, 2019

Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. If the kernel isn’t involved in the persistent data access path, then we need a hardware solution to enforce access control.

Hardware 56

Hardware Programming Media Storage 56

Testsigma

MAY 3, 2021

Web developers are moving their focus from desktop-first to mobile-first web design which further solidifies our understanding of how important this pocket device has become. From operating systems to versions to hardware specs, mobile devices stand unique even after being billions in number.

Mobile 77

Mobile Testing Operating System Hardware 77

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. Why HammerDB was developed. What programming languages does HammerDB use and why does it matter?

Benchmarking 62

Benchmarking Open Source C++ Cache 62

The Morning Paper

MAY 23, 2019

One of the important attributes of their design was easy and rapid deployment across an existing fleet. … to realize these insights, hardware needs to access data at object granularity and must have control over pointers between objects. Hotpads is a hardware-managed hierarchy of scratchpad-like memories called pads.

Cache 61

Cache Benchmarking Hardware Java 61

John McCalpin

APRIL 25, 2023

This metric is interesting because we don’t always have the luxury of parallelizing every application we run, and our operating systems almost always process each call (e.g., This post is about a secondary performance characteristic — sustained memory bandwidth for a single thread running on a single core.

Benchmarking 97

Benchmarking Cache Latency Tuning 97

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

HammerDB

APRIL 19, 2023

sysbench is a widely used open-source benchmarking tool that is designed to evaluate the performance of CPU, memory, disk I/O, and database systems. Operating System: Ubuntu 22.04 Storage: The system has a SATA drive for the operating system and one NVMe (Intel SSD D7-P5510 (3.84 and 8.0.32

Performance 54

Performance Benchmarking Cache Storage 54

HammerDB

FEBRUARY 25, 2021

As we have seen databases are designed to handle multiple database sessions at the same time. For this reason we need to implement our database sessions in the form of operating system threads. HammerDB abandoned Python as a glue language at the design stage because of the lack of multithreading and parallel capabilities.

Programming 67

Programming Benchmarking Virtualization C++ 67

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. Paging This was designed to allow non-contiguous space allocation to processes. A detailed description of these concepts is below.

Programming 81

Programming C++ Database Virtualization 81

Testsigma

FEBRUARY 5, 2021

If you’re a developer, a web designer, or a QA manager, you would want to ensure that your product delivers as promised. Once you have chosen your target devices, consider the architectural aspect of your hardware. Today’s customers expect the highest standards of user experience. Device Infrastructure. Automated Testing.

Mobile 52

Mobile Testing Hardware DevOps 52

ACM Sigarch

AUGUST 20, 2018

We are used to instances of software running on different computer systems as long as some basic requirements are met (e.g., same instruction set architecture, same operating system, etc.). Similarly, we expect that most computer systems can read (and write) data that is stored in some memory.

Hardware 47

Hardware Operating System Architecture Software 47

SQL Server According to Bob

JANUARY 11, 2020

Most manufacturers' implementations immediately flush pending writes to physical disk during the restart operations. Example 1: ​​ Hardware failure (CPU board) Battery backup on the caching controller maintained the data. Important Always consult with your hardware manufacturer for proper stable media strategies.

Servers 40

Servers Cache Media Hardware 40

Dotcom-Montior

JUNE 15, 2020

The censorship and monitoring of internet have evolved from anti-virus-like and firewall software to hardware security patches for all devices that uses internet. Operating System Updates and Security Patches. This setup enables the government to control the flow of information. Keyword Filtering and Blocking.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

Testsigma

JULY 3, 2021

More control: While performing on-premise testing, organizations have more control over configurations, setup, hardware, and software. They’re free to plan their upgrades or operational maintenance without involving any third-party businesses. The subscription models are designed for you to pay for what you use.

Cloud 57

Cloud Testing Storage DevOps 57

Alex Russell

SEPTEMBER 20, 2020

Pre-publication gates were valuable when better answers weren't available, but commentators should update their priors to account for hardware and software progress of the past 13 years. Fast forward a decade, and both the software and hardware situations have changed dramatically. Don't like the consequences?

Hardware 64

Hardware Mobile Programming Java 64

Testsigma

DECEMBER 28, 2019

The automation package should be designed in such a way that scripts are simple and easy to maintain. Resource Requirement: Hardware Requirements: Any hardware requirements which will be required during testing are identified, such as laptops, desktops, smartphones, etc. Regression Tester.

Testing 53

Testing Hardware Testing Tools Strategy 53

HammerDB

JANUARY 5, 2019

That is why we run a workload designed exactly for this purpose as it gives us a “benchmark” 2. Benchmarks are nothing like your real applications, and that’s actually good thing because unlike your application a good benchmark application like HammerDB has been designed to scale. Scalability.

Benchmarking 40

Benchmarking Database Social Media Scalability 40

The Morning Paper

MAY 21, 2019

Using zswap means that no new hardware solutions are required, enabling rapid deployment across clusters. A good proxy metric for the overhead introduce by the system is the promotion rate : the rate of swapping pages from far memory to near memory. Memory pages moved to zswap are compressed (but the compressed pages stay in memory).

Software 78

Software Software Google Hardware 78

Percona

JULY 1, 2023

Understanding DBaaS DBaaS cloud services allow users to use databases without configuring physical hardware and infrastructure or installing software. These may be performance, high availability, operational cost, management, capacity planning, scalability, security, monitoring, etc.

AWS 52

AWS Database Serverless Storage 52

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

Testsigma

FEBRUARY 6, 2020

Documents like requirements documents, design documents, code are reviewed and review comments are provided at early stages of Software Lifecycle. The internal structure and design of the code are known to the user; hence all the logical paths are tested under White Box testing. How efficiently a user is able to use the system?

Software 69

Software Software Testing Scalability 69