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. If so, test against the response time objective under the same Site Reliability Guardian. If both objectives pass, you have achieved your cost reduction on CPU size.

AWS 252

AWS Efficiency Azure Cloud 252

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. The motivation has not changed since then; the design has. Design evolution Axion fact store has four components?—?fact

Storage 187

Storage Design Scalability Latency 187

The Netflix TechBlog

SEPTEMBER 8, 2020

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. For the migration, testing was a first-class citizen. Replay Testing Enter replay testing.

Latency 233

Latency Cache Java Traffic 233

Dynatrace

JANUARY 18, 2023

This methodology aims to improve software system reliability using several key categories such as availability, performance, latency, efficiency, capacity, and incident response. Organizations that are new to both practices will want to adopt a strategy that incorporates both. Site reliability engineers, or SREs, lead these efforts.

DevOps 203

DevOps Best Practices Innovation Strategy 203

CSS Wizardry

MAY 31, 2019

Every new origin we need to visit needs a connection opening, and that can be very costly: DNS resolution, TCP handshakes, and TLS negotiation all add up, and the story gets worse the higher the latency of the connection is. 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

Scalegrid

JANUARY 8, 2024

Despite the potential challenges associated with scaling AI in cloud computing, strategies such as: Obtaining leadership endorsement Establishing ROI indicators Utilizing responsible AI algorithms Addressing data ownership issues can be employed to ensure successful integration.

Artificial Intelligence 147

Artificial Intelligence Cloud Scalability Analytics 147

Scalegrid

DECEMBER 16, 2019

In this post, we’ll walk you through the best way to host MongoDB on DigitalOcean, including the best instance types to use, disk types, replication strategy, and managed service providers. MongoDB Replication Strategies. DigitalOcean Advantages for MongoDB. What’s most impressive is that you’re not compromising performance for cost.

Azure 187

Azure AWS Latency Database 187

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. Investing in automation and tooling to avoid toil.

DevOps 191

DevOps Software Engineering Speed Google 191

Percona

DECEMBER 11, 2023

A Dedicated Log Volume (DLV) is a specialized storage volume designed to house database transaction logs separately from the volume containing the database tables. DLVs are particularly advantageous for databases with large allocated storage, high I/O per second (IOPS) requirements, or latency-sensitive workloads.

AWS 94

AWS Benchmarking Performance Traffic 94

Percona

APRIL 17, 2023

The CFQ works well for many general use cases but lacks latency guarantees. The deadline excels at latency-sensitive use cases ( like databases ), and noop is closer to no schedule at all. This parameter needs to be extensively tested! On the other hand, MongoDB schema design takes a document-oriented approach.

Best Practices 52

Best Practices Design Tuning Database 52

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

Dynatrace

JANUARY 31, 2024

In the age of AI, data observability has become foundational and complementary to AI observability, data quality being essential for training and testing AI models. Data is the foundation upon which strategies are built, directions are chosen, and innovations are pursued.

DevOps 198

DevOps Analytics Airlines Metrics 198

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. For example, when we design a new version of VMAF, we need to effectively roll it out throughout the entire Netflix catalog of movies and TV shows.

Media 171

Media Innovation Metrics Latency 171

CSS Wizardry

AUGUST 13, 2019

I was doing some cursory research and running a few tests against a potential client’s site so as to get a good understanding of the shape of things before we were to work together. Although this response has a 0B filesize, we will always take the latency hit on every single page view (and this response is basically 100% latency).

Latency 203

Latency Cache Strategy Media 203

The Netflix TechBlog

OCTOBER 19, 2020

Now let’s look at how we designed the tracing infrastructure that powers Edgar. If we had an ID for each streaming session then distributed tracing could easily reconstruct session failure by providing service topology, retry and error tags, and latency measurements for all service calls.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

The Netflix TechBlog

NOVEMBER 20, 2023

Whether in analyzing A/B tests, optimizing studio production, training algorithms, investing in content acquisition, detecting security breaches, or optimizing payments, well structured and accurate data is foundational. The incremental processing solution (IPS) described here has been designed to address the above problems.

Processing 210

Processing Big Data Efficiency Engineering 210

Dynatrace

SEPTEMBER 30, 2021

A cloud migration strategy, however, provides technical optimization that’s also firmly rooted in the business value chain. With cloud-based resources, teams can spin up infrastructure in seconds, begin testing immediately, scale up or down as needed, and easily eliminate resources that are no longer needed. Read eBook now!

Cloud 169

Cloud Traffic Best Practices Strategy 169

Smashing Magazine

NOVEMBER 8, 2021

As developers, we rightfully obsess about the customer experience, relentlessly working to squeeze every millisecond out of the critical rendering path, optimize input latency, and eliminate jank. At the limit, statically generated, edge delivered, and HTML-first pages look like the optimal strategy. More after jump!

Cache 136

Cache Best Practices Strategy Servers 136

Testsigma

DECEMBER 18, 2019

To improve the quality of a software product built by developers, software testing is the key. Testing is essential to ensure that the end product delivered is stable and works according to the required specifications. Test coverage has a huge impact on what is received as an end product. Training and adaptation.

Testing 73

Testing Open Source Strategy Processing 73

The Netflix TechBlog

JANUARY 24, 2022

This post describes how the Netflix TVUI team implemented a robust strategy to quickly and easily detect performance anomalies before they are released?—?and Technically, “performance” metrics are those relating to the responsiveness or latency of the app, including start up time. Why do we run Performance Tests on commits?

Performance 199

Performance Metrics Performance Testing Testing 199

Dynatrace

OCTOBER 1, 2021

By bringing AI to everything — from gathering telemetry to analyzing what’s happening across the full technology stack — your organization can have the reliable answers essential for automating application monitoring, testing, continuous delivery, application security, and incident response. Benefits of observability.

Metrics 363

Metrics Open Source Monitoring Infrastructure 363

The Morning Paper

NOVEMBER 15, 2020

With more nodes and more coordination comes more complexity, both in design and operation. This makes the whole system latency sensitive. One of the joys of this paper is that you don’t just get to see the final design, you also get insight into the forces and trade-offs that led to it. Back of the envelope.

Servers 128

Servers Hardware Latency Design 128

Testsigma

JANUARY 30, 2021

About two decades ago, testing was only limited to the desktop. With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing.

Mobile 52

Mobile Testing Website Internet 52

The Morning Paper

MARCH 3, 2020

It takes you through the thinking processes and engineering practices behind the design of a key part of the control plane for AWS Elastic Block Storage (EBS): the Physalia database that stores configuration information. This work is latency critical, because volume IO is blocked until it is complete. NSDI’20. Requirements.

Database 106

Database AWS Network Design 106

The Netflix TechBlog

MARCH 6, 2019

Video encoding is what MezzFS was originally designed for and remains one of its canonical use cases, so we’ll focus on video encoding to describe the problem that MezzFS solves. Rerun a batch of replays We collect replays from actual MezzFS mounts in production, and we rerun large batches of replays for regression and performance tests.

Media 214

Media Storage Processing Cache 214

Particular Software

JUNE 3, 2019

We become annoyed when we run a speed test on our broadband provider only to find that, on a good day, we are getting maybe half of the rated download speed we are paying for, and the upload speed is likely much worse. A complex join query may run quickly in development with a limited amount of test data. We'll never be satisfied.

Latency 40

Latency Speed Network Strategy 40

Alex Russell

MAY 9, 2022

This is a complex topic, but to borrow from a recent post , web performance expands access to information and services by reducing latency and variance across interactions in a session, with a particular focus on the tail of the distribution (P75+). Consistent performance matters just as much as low average latency.

Performance 86

Performance Latency Metrics Engineering 86

Smashing Magazine

JANUARY 11, 2021

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. You can then mimic the 90th percentile’s experience for testing. Quick Wins.

Performance 145

Performance Cache Media Metrics 145

Abhishek Tiwari

JULY 12, 2018

Here are 8 fallacies of data pipeline The pipeline is reliable Topology is stateless Pipeline is infinitely scalable Processing latency is minimum Everything is observable There is no domino effect Pipeline is cost­-effective Data is homogeneous The pipeline is reliable The inconvenient truth is that pipeline is not reliable.

Latency 63

Latency Analytics Scalability Engineering 63

Dotcom-Montior

DECEMBER 8, 2021

In a different article, we talked about chaos engineering and how SRE teams proactively seek out and test for failures to prevent the worst from happening. ITSM defines how teams design, create, and deliver their services. These tools should be utilized along with your monitoring strategy. It is much more than just IT support.

Social Media 90

Social Media Monitoring Latency DevOps 90

Adrian Cockcroft

NOVEMBER 11, 2019

Another problem is that a design control, intended to mitigate a failure mode, may not work as intended. A learning organization, disaster recovery testing, game days, and chaos engineering tools are all important components of a continuously resilient system. Try to measure your mean time to respond (MTTR) for incidents.

Latency 52

Latency Engineering Systems Hardware 52

Speed Curve

NOVEMBER 3, 2019

Traditionally, we’ve spent a lot of time focusing on entitled groups as it relates to performance – fast connection speeds, devices with high-end CPUs, low-latency geographies. Building a more inclusive web. What can you expect from me?

Education 47

Education Latency Strategy Speed 47

Adrian Cockcroft

NOVEMBER 11, 2019

Another problem is that a design control, intended to mitigate a failure mode, may not work as intended. A learning organization, disaster recovery testing, game days, and chaos engineering tools are all important components of a continuously resilient system. Try to measure your mean time to respond (MTTR) for incidents.

Latency 53

Latency Engineering Systems Hardware 53

Smashing Magazine

JANUARY 7, 2019

Performance isn’t just a technical concern: it matters, and when baking it into the workflow, design decisions have to be informed by their performance implications. Testing And Monitoring. Without a strong alignment between dev/design and business/marketing teams, performance isn’t going to sustain long-term. Table Of Contents.

Performance 104

Performance Cache Network Metrics 104

Smashing Magazine

JANUARY 6, 2020

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing.

Performance 145

Performance Cache Network Metrics 145

The Morning Paper

JANUARY 23, 2020

1:18pm a key observation was made that an API call to populate the homepage sidebar saw a huge jump in latency. Peer consensus was the primary mechanism used to decide whether to take actions affecting the production systems, and on two occassions changes were pushed through without waiting for automated tests to complete.

Internet 53

Internet Internet Cache Engineering 53

Smashing Magazine

AUGUST 20, 2021

Piecing together a website using a WYSIWYG editor and seeing the code it generated was a fascinating and educational experience that sparked an initial interest in web design. In Designing The Perfect Navigation , Vitaly will explore 100s of practical examples of better mega-dropdowns , hamburgers, carousels, modals and filters.

Ecommerce 139

Ecommerce Website Government Internet 139