Dynatrace

SEPTEMBER 22, 2021

Whether it’s your TV, audio system, digital home assistant, or refrigerator chances are those devices run an operating system such as Android allowing you access to the device’s features through apps. Crashes sometimes happen because of a specific combination of hardware, software and the environment (e.g.,

Mobile 192

Mobile Media Hardware Network 192

Dynatrace

NOVEMBER 15, 2021

A log is a detailed, timestamped record of an event generated by an operating system, computing environment, application, server, or network device. Logs can include data about user inputs, system processes, and hardware states. For example: Lack of end-to-end observability. What is log analytics?

Analytics 209

Analytics Monitoring Artificial Intelligence DevOps 209

Dynatrace

AUGUST 5, 2022

A message queue is a form of middleware used in software development to enable communications between services, programs, and dissimilar components, such as operating systems and communication protocols. A message queue enables the smooth flow of information to make complex systems work. What is a message queue?

Monitoring 199

Monitoring Serverless Programming Speed 199

Dynatrace

AUGUST 5, 2022

A message queue is a form of middleware used in software development to enable communications between services, programs, and dissimilar components, such as operating systems and communication protocols. A message queue enables the smooth flow of information to make complex systems work. What is a message queue?

Monitoring 199

Monitoring Serverless Programming Speed 199

Dynatrace

SEPTEMBER 29, 2021

Think of containers as the packaging for microservices that separate the content from its environment – the underlying operating system and infrastructure. 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. Networking.

Open Source 301

Open Source Traffic DevOps Cloud 301

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., In this paper we explore the implications microservices have across the cloud system stack. Hardware implications. Operating system and network implications.

Open Source 61

Open Source Hardware Benchmarking Systems 61

Dynatrace

JUNE 15, 2023

If your application runs on servers you manage, either on-premises or on a private cloud, you’re responsible for securing the application as well as the operating system, network infrastructure, and physical hardware. What are some key characteristics of securing cloud applications?

Cloud 177

Cloud Open Source Architecture Monitoring 177

Dynatrace

APRIL 5, 2021

You will likely need to write code to integrate systems and handle complex tasks or incoming network requests. Some common examples include: A request through API Gateway or Amplify. For such functions, organizations will be better off using an EC2 instance or their own hardware to interact with data.

Lambda 180

Lambda AWS Serverless Hardware 180

Scalegrid

JANUARY 25, 2024

It’s important to note that recommended throughput levels may vary depending on factors such as operating system type, network bandwidth availability, and hardware quality. Memory RSS (Resident Set Size) is the number of bytes that the operating system has allocated to Redis.

Metrics 130

Metrics Monitoring Latency Cache 130

Adrian Cockcroft

JANUARY 17, 2022

There were five trends and topics for 2021, Serverless First, Chaos Engineering, Wardley Mapping, Huge Hardware, Sustainability. For example AWS launched an instance type with 800 Gbits/s of network bandwith in 2021. As well as the video, there’s a long podcast where I discuss them with Mik Kersten.

Serverless 98

Serverless Hardware AWS Architecture 98

Testsigma

APRIL 13, 2021

Example: Consider an e-commerce app that is running an offer of providing 50% off on the next order to the customer. Example: A new functionality is added in a gaming iOS application and is unit tested successfully. Operating System. Scenario: Rare conditions are better tested using unit testing. on an iOS device.

Testing 84

Testing Hardware Mobile Testing Tools 84

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. 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. Do you have a database?

Systems 74

Systems Monitoring Hardware Network 74

Scalegrid

DECEMBER 21, 2023

This includes latency, which is a major determinant in evaluating the reliability and performance of your Redis® instance, CPU usage to assess how much time it spends on tasks, operations such as reading/writing data from disk or network I/O, and memory utilization (also known as memory metrics).

Strategy 130

Strategy Monitoring Latency DevOps 130

The Netflix TechBlog

JUNE 4, 2019

We were able to meaningfully improve both the predictability and performance of these containers by taking some of the CPU isolation responsibility away from the operating system and moving towards a data driven solution involving combinatorial optimization and machine learning.

Cache 251

Cache Latency Airlines Logistics 251

Testsigma

MAY 3, 2021

From operating systems to versions to hardware specs, mobile devices stand unique even after being billions in number. But testing this is essential too because data communication over the network cannot be eliminated by putting all the files into the device storage. Side-By-Side View for multi-tasking.

Mobile 77

Mobile Testing Operating System Hardware 77

HammerDB

APRIL 19, 2023

As database performance is heavily influenced by the performance of storage, network, memory, and processors, we must understand the upper limit of these key components. For example, if you are buying the latest Amazon memory-optimized EC2 instance (R7iz), the AWS page ( [link] ) tells us the following: Up to 3.9 4.22 %usr 38.40

Performance 54

Performance Benchmarking Cache Storage 54

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

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

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. Traditionally one of the major costs when moving data in and out of memory (be it to persistent media or over the network) is serialisation.

Hardware 56

Hardware Programming Media Storage 56

HammerDB

FEBRUARY 25, 2021

For simplicity, we do not include networking or transaction management middleware in this discussion because although important in the real world they do not affect the key concepts. The following is an example from TPROC-C from SQL Server. The example below is for the NEW ORDER stored procedure for the Oracle database.

Programming 67

Programming Benchmarking Virtualization C++ 67

Testsigma

MAY 19, 2021

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. As a user, you just need to pay for the services, install low-level requirements and set up the networking. Source: Twitter.

DevOps 59

DevOps Cloud Artificial Intelligence Infrastructure 59

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. The following are examples of successful recovery situations actually encountered by Microsoft SQL Server Product Support Services personnel.

Servers 40

Servers Cache Media Hardware 40

The Morning Paper

APRIL 14, 2019

The paper sets out what we can do in software given today’s hardware, and along the way also highlights areas where cooperation from hardware will be needed in the future. There are also stateless interconnects including buses and on-chip networks. Microarchitectural channels. Threat scenarios.

Hardware 44

Hardware Cache Latency Speed 44

O'Reilly Software

APRIL 4, 2018

For example, we can combine a machine learning job for anomaly detection with a dashboard that summarizes the findings to facilitate further investigation. To run our applications, we require computing system resources like CPU, memory, disk, and network bandwidth to be allocated to the critical data services that power the applications.

Architecture 80

Architecture Scalability Google Operating System 80

Smashing Magazine

JANUARY 15, 2019

This includes the work done by the server, the client and the intermediary communications networks that transmit data between the two. how much data does the browser have to download to display your website) and resource usage of the hardware serving and receiving the website. These include data transfer (i.e. Large preview ).

Website Performance 73

Website Performance Website Energy Performance 73

Testsigma

FEBRUARY 6, 2020

Examples of Static Testing-Walkthrough, Reviews, Static Code Review, Inspection. Examples of Dynamic Testing- Unit testing, System testing, Integration testing, Performance testing, Security testing. Security Testing- Security of the application from the point of view of the network, data, system and the application is tested.

Software 69

Software Software Testing Scalability 69

Brendan Gregg

AUGUST 8, 2017

For example, an hourly load average of 10 would mean that (for a single CPU system) at any time during that hour one could expect to see 1 process running and 9 others ready to run (i.e., Nowadays, the source code to old operating systems can also be found online. not blocked for I/O) waiting for the CPU.

Latency 111

Latency Metrics C++ Systems 111

Smashing Magazine

JANUARY 7, 2019

One way or another, rather than focusing on full page loading time (via onLoad and DOMContentLoaded timings, for example), prioritize page loading as perceived by your customers. If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled network (e.g. 150ms RTT, 1.5 Mbps down, 0.7

Performance 103

Performance Cache Metrics Network 103

Adrian Cockcroft

NOVEMBER 11, 2019

A learning organization, disaster recovery testing, game days, and chaos engineering tools are all important components of a continuously resilient system. This discussion focuses on hardware, software and operational failure modes. We’ll use FMEA to work through the sign-up flow example in a later section.

Latency 52

Latency Engineering Systems Hardware 52

Smashing Magazine

FEBRUARY 5, 2019

Although modern iOS hardware is powerful enough to handle many intensive and complex tasks, the device could still feel unresponsive if you are not careful about how your app performs. For example, the Safari app’s launch screen is similar to its first view : A comparison of launch screen and first view of Safari app ( Large preview ).

Performance 75

Performance Energy Operating System Code 75

Adrian Cockcroft

NOVEMBER 11, 2019

A learning organization, disaster recovery testing, game days, and chaos engineering tools are all important components of a continuously resilient system. This discussion focuses on hardware, software and operational failure modes. We’ll use FMEA to work through the sign-up flow example in a later section.

Latency 53

Latency Engineering Systems Hardware 53

SQL Server According to Bob

JANUARY 11, 2020

Subsystem / Path The ​​ I/O subsystem or path ​​ includes ​​ those ​​ components ​​ that are ​​ used to support an I/O operation. ​​ Checksum ​​ is ​​ the sum of the values.

Servers 40

Servers Cache Database Media 40

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. So the initial time to run this all depends on your network speed. Go install it”. So I proceeded to install SQL Server 4.20

Servers 40

Servers Media Engineering Virtualization 40

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. The importance of the network.

AWS 144

AWS Hardware Retail Virtualization 144

High Scalability

NOVEMBER 25, 2019

To add elasticity, reliability and durability, these data centers are connected to Google Cloud platform using high speed, secure Google Interconnect network. What operating systems do you use? We also put these nodes on a faster network compared to other nodes and we still aren't done with this problem :).

Architecture 52

Architecture Cache Azure Storage 52