Dynatrace

JANUARY 14, 2022

The following figure shows the high-level architecture where any load testing solution (e.g. The optimization goal was to improve the application efficiency, that is to improve the ratio between service throughput and cloud costs while not increasing the application latency (e.g. below 500ms) and error rates (e.g.

Latency 210

Latency Tuning Efficiency AWS 210

The Netflix TechBlog

NOVEMBER 17, 2022

Our approach to NN-based video downscaling The deep downscaler is a neural network architecture designed to improve the end-to-end video quality by learning a higher-quality video downscaler. Architecture of the deep downscaler model, consisting of a preprocessing block followed by a resizing block.

Network 292

Network Media Innovation Efficiency 292

Dynatrace

JANUARY 31, 2024

Retrieval-augmented generation emerges as the standard architecture for LLM-based applications Given that LLMs can generate factually incorrect or nonsensical responses, retrieval-augmented generation (RAG) has emerged as an industry standard for building GenAI applications.

Cache 209

Cache Azure Infrastructure Monitoring 209

Dynatrace

MARCH 29, 2024

You can ask for the best configuration to reduce latency or improve the user experience.” And with automatic application tuning, teams spend less time on manually testing and reviewing configurations, resulting in up to five times the productivity of performance engineers, DevOps, and SREs when it comes to application optimization.

Engineering 231

Engineering DevOps Operating System Open Source 231

Dynatrace

FEBRUARY 4, 2021

As a discipline, SRE focuses on improving software system reliability across key categories including availability, performance, latency, efficiency, capacity, and incident response. Monitoring SLOs and testing them in pre-production with intelligent quality gates to detect issues earlier in the development cycle. Solving for SR.

Engineering 257

Engineering DevOps Government Latency 257

The Netflix TechBlog

JUNE 13, 2023

Our previous blog post presented replay traffic testing — a crucial instrument in our toolkit that allows us to implement these transformations with precision and reliability. Compared to replay testing, canaries allow us to extend the validation scope beyond the service level.

Traffic 279

Traffic Metrics Systems Strategy 279

The Netflix TechBlog

MARCH 1, 2021

It supports both high throughput services that consume hundreds of thousands of CPUs at a time, and latency-sensitive workloads where humans are waiting for the results of a computation. Local development tools including specialized test runners, code generators, and a command line interface. Productivity?—?Local Delivery?—?A

Serverless 228

Serverless Media Latency Social Media 228

The Netflix TechBlog

SEPTEMBER 8, 2020

We tried a few iterations of what this new service should look like, and eventually settled on a modern architecture that aimed to give more control of the API experience to the client teams. For us, it means that we now need to have ~15 MDN tabs open when writing routes :) Let’s briefly discuss the architecture of this microservice.

Latency 233

Latency Cache Java Traffic 233

Scalegrid

OCTOBER 17, 2019

Moving to a multithreaded architecture will require extensive rewrites. But that causes a problem with PostgreSQL’s architecture – forking a process becomes expensive when transactions are very short, as the common wisdom dictates they should be. The PostgreSQL Architecture | Source. The Connection Pool Architecture.

Architecture 200

Architecture Database Latency Servers 200

Dynatrace

APRIL 8, 2024

Historically, IT infrastructure performance, IT security, data architecture, and data analytics, have been managed in disparate, unconnected silos deep within IT organizational structures. Automate stress-testing and regulatory reporting requirements. Maximize performance for high-frequency and low-latency trading strategies.

Analytics 206

Analytics Infrastructure Efficiency Technology 206

The Netflix TechBlog

AUGUST 29, 2023

In this architecture, service to service communication no longer goes through the single point of failure of a load balancer. The above architecture has served us well over the last decade, though changing business needs and evolving industry standards have added more complexity to our IPC ecosystem in a number of ways.

Traffic 220

Traffic Latency Cloud C++ 220

Testsigma

JULY 23, 2020

This is a standalone software program which doesn’t depend on any internet connectivity for its working and its performance is not impacted because of any network related latencies. Any network-related latencies result in performance hindrances in these types of applications. These have clients and servers in their architecture.

Testing 63

Testing Internet Internet Latency 63

Dynatrace

FEBRUARY 4, 2021

As a discipline, SRE focuses on improving software system reliability across key categories including availability, performance, latency, efficiency, capacity, and incident response. Monitoring SLOs and testing them in pre-production with intelligent quality gates to detect issues earlier in the development cycle. Solving for SR.

Engineering 181

Engineering DevOps Government Latency 181

The Morning Paper

AUGUST 29, 2019

Choosing a cloud DBMS: architectures and tradeoffs Tan et al., As it is infeasible to test every OLAP system runnable on AWS, we chose widely-used systems that represented a variety of architectures and cost models. InS does now offer an NVMe variant too, and the authors perform limited testing on that as well.

Architecture 76

Architecture Cloud Storage Serverless 76

The Netflix TechBlog

AUGUST 30, 2021

By Benson Ma , Alok Ahuja Introduction At Netflix, hundreds of different device types, from streaming sticks to smart TVs, are tested every day through automation to ensure that new software releases continue to deliver the quality of the Netflix experience that our customers enjoy. In this blog post, we will focus on the latter feature set.

Latency 213

Latency Traffic Transportation Hardware 213

Percona

NOVEMBER 3, 2023

Using its default tpc-b benchmark, one can stress test a database of any size ranging from a few clients to simulating thousands interacting with a system sized into the Terabytes if needs be. Steps Provisioning The first step is to provision the four nodes with both PostgreSQL and Citus.

Database 102

Database Benchmarking Latency C++ 102

The Morning Paper

OCTOBER 4, 2020

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. Throughput and latency. energy consumption).

Energy 130

Energy Latency Performance Network 130

Dynatrace

SEPTEMBER 13, 2023

Because Google offers its own Google Cloud Architecture Framework and Microsoft its Azure Well-Architected Framework , organizations that use a combination of these platforms triple the challenge of integrating their performance frameworks into a cohesive strategy. If both objectives pass, you have achieved your cost reduction on CPU size.

AWS 252

AWS Efficiency Azure Cloud 252

Percona

MARCH 20, 2023

When designing an architecture, many components need to be considered before deciding on the best solution. micro) The tests We will have very simple test cases. The second test will define how well the increasing load is served inside the previously identified range. That allows it to go a bit further.

Games 119

Games Latency Traffic Cache 119

Dynatrace

OCTOBER 1, 2021

As dynamic systems architectures increase in complexity and scale, IT teams face mounting pressure to track and respond to conditions and issues across their multi-cloud environments. Dynatrace news. As teams begin collecting and working with observability data, they are also realizing its benefits to the business, not just IT.

Metrics 363

Metrics Open Source Monitoring Infrastructure 363

Scalegrid

JULY 29, 2020

In our previous posts in this series, we spoke at length about using PgBouncer and Pgpool-II , the connection pool architecture and pros and cons of leveraging one for your PostgreSQL deployment. Performance Testing. For good measure, we ran the same tests without a connection pooler too. Testing Conditions.

Benchmarking 246

Benchmarking Database Performance Testing Availability 246

The Netflix TechBlog

MAY 14, 2021

Managing and operating asynchronous workflows can be difficult without the proper tools and architecture that puts observability, debugging, and tracing at the forefront. We are expected to process 1,000 watermarks for a single distribution in a minute, with non-linear latency growth as the number of watermarks increases.

Traffic 160

Traffic Latency Java Google 160

The Netflix TechBlog

NOVEMBER 2, 2021

Perceptual quality measurements are used to drive video encoding optimizations , perform video codec comparisons , carry out A/B testing and optimize streaming QoE decisions to mention a few. The Reloaded system is a well-matured and scalable system, but its monolithic architecture can slow down rapid innovation. via bug fixes).

Media 171

Media Innovation Metrics Latency 171

Testsigma

AUGUST 24, 2020

Continuous Testing is the process of testing at all stages of software development – one after the another- without any human intervention. Continuous Testing is key to faster delivery of Agile products to the market. But the path to achieving Continuous Testing has its own challenges, most common of which are mentioned below.

Testing 69

Testing Open Source Scalability Latency 69

The Symphonia

MAY 22, 2018

I started writing “ Serverless Architectures ” in May 2016. I also rewrote the section on Startup Latency since Cold Starts are one of the big “FUD” areas of Serverless. In testing we have seen some advances in tools, and in mindset. Lambda and Azure functions both now offer some amount of local-integration testing.

Serverless 40

Serverless Architecture Lambda Azure 40

Tim Kadlec

JULY 28, 2015

This first post looks at the general architecture of proxy browsers with a performance focus. Typical Browser Architecture. That’s a very simplified list and some of them can happen in parallel, but it’s a good enough representation for the purpose of highlighting how proxy browser architecture differs. All of that came later.

Architecture 75

Architecture Servers Network Latency 75

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. In Linux, the current mainstream solution is CFS (Completely Fair Scheduler). So why mess with it?

Cache 251

Cache Latency Airlines Logistics 251

John McCalpin

DECEMBER 6, 2016

The Xeon Phi x200 (Knights Landing) has a lot of modes of operation (selected at boot time), and the latency and bandwidth characteristics are slightly different for each mode. This reduces the number of “hops” required for request/response/coherence messages on the mesh, and should reduce both latency and contention.

Latency 40

Latency Cache Testing Systems 40

The Netflix TechBlog

MARCH 13, 2020

The teams have been working closely on SVT-AV1 development, discussing architectural decisions, implementing new tools, and improving compression efficiency. Architectural features One of Intel’s goals for SVT-AV1 development was to create an AV1 encoder that could offer performance and scalability.

Open Source 154

Open Source Efficiency C++ Speed 154

The Netflix TechBlog

NOVEMBER 2, 2020

High level playback architecture with priority throttling and chaos testing Building a request taxonomy We decided to focus on three dimensions in order to categorize request traffic: throughput, functionality, and criticality. Those two metrics are approximate indicators of failures and latency.

Traffic 252

Traffic Metrics Infrastructure Architecture 252

Scalegrid

FEBRUARY 8, 2024

Distributed Storage Architecture Distributed storage systems are designed with a core framework that includes the main system controller, a data repository for the system, and a database. Durability Availability Fault tolerance These combined outcomes help minimize latency experienced by clients spread across different geographical regions.

Storage 130

Storage Systems Big Data Azure 130

Scalegrid

JANUARY 8, 2024

AI algorithms embedded in cloud architecture automate repetitive processes, streamlining workloads and reducing the chance of human error. With a multi-cloud architecture, Scalegrid offers the flexibility and competitive edge necessary for AI applications in the rapidly evolving tech environment.

Artificial Intelligence 147

Artificial Intelligence Cloud Scalability Analytics 147

High Scalability

JULY 20, 2018

That’s mapping applications to the specific architectural choices. The third wing of the architecture piece is the “domain specific system-on-chip.” lowrykoz : Stolen from a co-worker "Every company has a test environment. That means multiple data indirections mean multiple cache misses.

Internet 121

Internet Internet Scalability Automotive 121

Percona

MARCH 13, 2023

Architecture To understand more about deployment procedures, we need to look a little more at Neon architecture. I prefer to test a distributed deployment where each component is placed on different servers or virtual machines, that’s why I do not put it into docker-compose.

Serverless 117

Serverless C++ Storage Latency 117

The Morning Paper

OCTOBER 26, 2020

Helios also serves as a reference architecture for how Microsoft envisions its next generation of distributed big-data processing systems being built. These two narratives of reference architecture and ingestion/indexing system are interwoven throughout the paper. Why do we need a new reference architecture? Emphasis mine ).

Cloud 104

Cloud Big Data Latency Architecture 104

HammerDB

MAY 5, 2019

Note that the main developer of HammerDB is Intel employee (#IAMINTEL) however HammerDB is a personal open source project and HammerDB has no optimization whatsoever for a database running on any particular architecture. So to test I took a system with Skylake CPUs and all storage on a P4800X SSD. In the recent MySQL 8.0.16

Testing 48

Testing Tuning Latency Storage 48

The Netflix TechBlog

SEPTEMBER 2, 2020

While this abundance of dashboards and information is by no means unique to Netflix, it certainly holds true within our microservices architecture. Telltale provides Edgar with latency benchmarks that indicate if the individual trace’s latency is abnormal for this given service.

Latency 296

Latency Transportation Engineering Traffic 296