Dynatrace

JUNE 7, 2023

A typical design pattern is the use of a semantic search over a domain-specific knowledge base, like internal documentation, to provide the required context in the prompt. With these latency, reliability, and cost measurements in place, your operations team can now define their own OpenAI dashboards and SLOs.

Monitoring 157

Monitoring Latency Metrics Azure 157

Dynatrace

MAY 17, 2023

To ensure high standards, it’s essential that your organization establish automated validations in an early phase of the software development process—ideally when code is written. In this case, the four golden signals (latency, traffic, errors, and saturation) are derived from span attributes and DQL metric queries via Dynatrace Grail™.

DevOps 176

DevOps Traffic Latency Best Practices 176

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

On the Android team, while most of our time is spent working on the app, we are also responsible for maintaining this backend that our app communicates with, and its orchestration code. Image taken from a previously published blog post As you can see, our code was just a part (#2 in the diagram) of this monolithic service.

Latency 233

Latency Cache Java Traffic 233

Randon ASCII

SEPTEMBER 8, 2019

Disclaimer: I didn’t find a solution, but I did find some crazy code. I also don’t know why right-clicking on other programs’ icons on the task bar is also a bit slow – it’s apparently a different issue, or an odd design decision. Until today, when I finally broke down and grabbed an ETW trace. MB trace.

Latency 79

Latency Cache Programming Operating System 79

The Netflix TechBlog

JUNE 13, 2023

By collecting and analyzing key performance metrics of the service over time, we can assess the impact of the new changes and determine if they meet the availability, latency, and performance requirements. We can determine A/B test membership in either device application or backend code and selectively invoke new code paths and services.

Traffic 279

Traffic Metrics Systems Strategy 279

The Netflix TechBlog

AUGUST 29, 2023

Today we have a wealth of tools, both OSS and commercial, all designed for cloud-native environments. To improve availability, we designed systems where components could fail separately and avoid single points of failure. There is a downside to fetching this data on-demand: this adds latency to the first request to a cluster.

Traffic 220

Traffic Latency Cloud C++ 220

Dynatrace

APRIL 5, 2021

AWS Lambda is a serverless compute service that can run code in response to predetermined events or conditions and automatically manage all the computing resources required for those processes. Customizing and connecting these services requires code. What is AWS Lambda? Where does Lambda fit in the AWS ecosystem?

Lambda 173

Lambda AWS Serverless Hardware 173

Dynatrace

SEPTEMBER 13, 2023

This is a set of best practices and guidelines that help you design and operate reliable, secure, efficient, cost-effective, and sustainable systems in the cloud. Using an interactive no/low code editor, you can create workflows or configure them as code. SRG validates the status of the resiliency SLOs for the experiment period.

AWS 236

AWS Efficiency Azure Cloud 236

Dynatrace

JANUARY 17, 2024

And an O’Reilly Media survey indicated that two-thirds of survey respondents have already adopted generative AI —a form of AI that uses training data to create text, images, code, or other types of content that reflect its users’ natural language queries. Use containerization. Continuously monitor AI models’ performance.

Strategy 212

Strategy Artificial Intelligence Storage Cloud 212

Scalegrid

MARCH 28, 2024

Redis Data Types and Structures The design of Redis’s data structures emphasizes versatility. It is designed to cache plain text values, offering fast read and write access to frequently accessed data. Redis and Memcached offer user-friendly interfaces that can seamlessly integrate into applications with minimal coding.

Cache 130

Cache Storage Scalability Architecture 130

Dynatrace

JANUARY 13, 2022

Real user monitoring works by injecting code into an application to capture metrics while the application is in use. Browser-based applications are monitored by injecting JavaScript code that can detect and track page loads as well as XHR requests, which change the UI without triggering a page load. How real user monitoring works.

Monitoring 170

Monitoring Latency Mobile Best Practices 170

Dynatrace

JULY 24, 2023

For example, consider an e-commerce website that automatically sends personalized discount codes to customers who abandon their shopping carts. This event-driven automation triggers the action of sending the discount code only when the customer abandons the cart abandonment, minimizing revenue loss and increasing conversion rates.

DevOps 209

DevOps Traffic Efficiency Servers 209

The Netflix TechBlog

AUGUST 30, 2021

In addition, unlike other SQL stores, CockroachDB is designed from the ground up to be horizontally scalable, which addresses our concerns about Cloud Registry’s ability to scale up with the number of devices onboarded onto the Device Management Platform. MQTT clients connect to the MQTT broker and send messages prefixed with a topic.

Latency 213

Latency Traffic Transportation Cloud 213

CSS Wizardry

MAY 31, 2019

This is exactly what Rawgit did in October 2018, yet (at the time of writing) a crude GitHub code search still yielded over a million references to the now-sunset service, and almost 20,000 live sites are still linking to it! On a slower, higher-latency connection, the story is much, mush worse. All completely avoidable. to just 3.6s.

Cache 274

Cache Latency Infrastructure Website 274

The Netflix TechBlog

APRIL 26, 2022

We will share how its design has evolved over the years and the lessons learned while building it. To understand Axion’s design, we need to know the various components that interact with it. We make sure there is no training/serving skew by using the same data and the code for online and offline feature generation.

Storage 187

Storage Design Scalability Latency 187

Scalegrid

JUNE 7, 2024

Queues designated as durable maintain their configuration and stored messages even after the broker restarts. While ensuring that messages are durable brings several advantages, it’s important to note that it doesn’t significantly degrade performance regarding throughput or latency.

IoT 130

IoT Software Architecture Architecture Scalability 130

Dynatrace

FEBRUARY 24, 2021

As Google’s Ben Treynor explains , “Fundamentally, it’s what happens when you ask a software engineer to design an operations function.” Designating and managing Service Level Objectives (SLOs) as availability targets for a service. Reduced latency. Share values that extend across single teams.

DevOps 183

DevOps Software Engineering Speed Google 183

The Netflix TechBlog

FEBRUARY 9, 2021

Before designing a solution it’s important to understand the main product requirements for such a feature: The content needs to be new, relevant, and regional (not all countries have the same catalogue). To reduce latency, assets should be generated in an offline fashion and not in real time. First, the fields can be coded by hand.

Engineering 165

Engineering Storage Latency Entertainment 165

The Netflix TechBlog

NOVEMBER 20, 2023

As our business scales globally, the demand for data is growing and the needs for scalable low latency incremental processing begin to emerge. The incremental processing solution (IPS) described here has been designed to address the above problems. There is no change to business transform logic and no re-design of ETL workflow.

Processing 210

Processing Big Data Efficiency Engineering 210

The Netflix TechBlog

NOVEMBER 3, 2023

However, this design decision led to a different set of challenges. Additionally, instead of implementing business logic by composing multiple individual Processors together, users could express their logic in a single SQL query, avoiding the additional resource and latency overhead that came from multiple Flink jobs and Kafka topics.

Processing 265

Processing Engineering Infrastructure Latency 265

Adrian Cockcroft

JULY 4, 2023

I’ve been coding in R for decades, but I don’t do it every day, however every year or two I have a reason to use it, and spend a lot of time reading man pages. I’ve been coding in R for decades, but I don’t do it every day, however every year or two I have a reason to use it, and spend a lot of time reading man pages.

Development 52

Development Latency C++ Open Source 52

The Netflix TechBlog

OCTOBER 27, 2020

The data warehouse is not designed to serve point requests from microservices with low latency. Therefore, we must efficiently move data from the data warehouse to a global, low-latency and highly-reliable key-value store. Figure 1 shows how we use Bulldozer to move data at Netflix. Moving data with Bulldozer at Netflix.

Latency 243

Latency Storage Big Data Tuning 243

Dynatrace

JANUARY 18, 2023

This drive for speed has a cost: 22% of leaders admit they’re under so much pressure to innovate faster that they must sacrifice code quality. In addition, 27% of IT and DevOps teams’ time is invested in manual CI/CD tasks such as detecting code quality issues, which reduces time spent on innovation. What is DevOps?

DevOps 187

DevOps Best Practices Innovation Strategy 187

Scalegrid

MARCH 14, 2024

Effective hybrid cloud management requires robust tools and techniques for centralized administration, policy enforcement, cost management, and modern infrastructure practices like Infrastructure-as-Code (IaC) and containers. It results in consistently configured environments and allows for swift deployment.

Strategy 130

Strategy Cloud Artificial Intelligence Infrastructure 130

CSS Wizardry

MAY 19, 2020

On a high-latency connection, this spells bad news. However, the execution of this header is bound by the response’s TTFB, which on high-latency networks can be very, very high. Put another-other way, this file is latency-bound, not bandwidth-bound. The last piece of the puzzle I wanted to solve the trip to yet-another origin.

Google 364

Google Media Latency Metrics 364

John McCalpin

APRIL 25, 2023

To understand what is happening here, we need to understand the way memory bandwidth interacts with memory latency and the concurrency (parallelism) of memory accesses. That is the topic of the next blog entry. (“Real Soon Now”) Can this problem be fixed? On a VE20B (8 cores, 1.6

Benchmarking 97

Benchmarking Cache Latency Tuning 97

Dynatrace

OCTOBER 4, 2022

Data lakehouses deliver the query response with minimal latency. Designed to provide a single source of truth for structured data, they offer a way for organizations to simplify data management by centralizing inputs. The performance of these queries needs to be at a level where they can support ad-hoc analytics use cases.

Artificial Intelligence 197

Artificial Intelligence Storage Analytics Government 197

Dynatrace

OCTOBER 1, 2021

When an observability solution also analyzes user experience data using synthetic and real-user monitoring, you can discover problems before your users do and design better user experiences based on real, immediate feedback. The architects and developers who create the software must design it to be observed. Benefits of observability.

Metrics 363

Metrics Open Source Monitoring Infrastructure 363

VoltDB

MARCH 22, 2024

With a clearly defined API, you can establish a set of rules that outsiders need to follow if they wish to use your code. But now there are technologies like OpenAPI and Swagger, which allow you to define an API in a standard way in considerable detail — enough detail, in fact, to generate the code for it programmatically.

Latency 52

Latency Java Code Servers 52

Adrian Cockcroft

JANUARY 20, 2023

This is a worrying trend for the HPC supercomputer market, and while a new HPL-MxP mixed-precision benchmark shows that it’s possible to leverage lower precision floating point, there’s a lot of existing code that needs 64bit. However Shahin and I think this cost is more likely to be in the $20–40M range.

Architecture 52

Architecture Latency Benchmarking AWS 52

VoltDB

MARCH 13, 2024

Maintain control This may sound a bit crazy, but if you’re going to own the latency/availability SLA, then you need to ‘own’ as much of the call path as possible. The time to instrument the code is when you write the application — not during an outage. What you own, you control.

Availability 52

Availability Latency DevOps Systems 52

The Morning Paper

JANUARY 30, 2020

Edge servers are the middle ground – more compute power than a mobile device, but with latency of just a few ms. Wasm functions contain native codes compiled at runtime, so they should not be directly migrated as normal JavaScript objects. Why would we want to live migrate web workers?

Mobile 104

Mobile Cloud Latency Games 104

The Morning Paper

NOVEMBER 10, 2019

It’s been clear for a while that software designed explicitly for the data center environment will increasingly want/need to make different design trade-offs to e.g. general-purpose systems software that you might install on your own machines. The desire for CPU efficiency and lower latencies is easy to understand.

Network 92

Network Transportation Latency Entertainment 92

The Morning Paper

FEBRUARY 6, 2020

’ Stateless is fine until you need state, at which point the coarse-grained solutions offered by current platforms limit the kinds of application designs that work well. On the Cloudburst design teams’ wish list: A running function’s ‘hot’ data should be kept physically nearby for low-latency access.

Lambda 98

Lambda Serverless Cache Latency 98

High Scalability

JULY 20, 2018

Cliff Click : The JVM is very good at eliminating the cost of code abstraction, but not the cost of data abstraction. During our testing using the storage optimized EC2 instances (I3.2xlarge) we noticed that we were able to perform over 200K IOPS of 1K byte items thus meeting our throughput goals with latency rarely exceeding 1 millisecond.

Internet 121

Internet Internet Scalability Automotive 121

The Morning Paper

JANUARY 28, 2020

Shredder is " a low-latency multi-tenant cloud store that allows small units of computation to be performed directly within storage nodes. " From an operator perspective it makes it harder to follow the classic cloud-native design in which a global storage layer is separate to compute. High performance. Introducing Shredder.

Serverless 99

Serverless Storage Latency Cloud 99