The Netflix TechBlog

JULY 1, 2019

Our UI runs on top of a custom rendering engine which uses what we call a “surface cache” to optimize our use of graphics memory. Surface Cache Surface cache is a reserved pool in main memory (or separate graphics memory on a minority of systems) that the Netflix app uses for storing textures (decoded images and cached resources).

Cache 167

Cache Design Testing Development 167

CSS Wizardry

SEPTEMBER 16, 2024

An inefficiency present in HTTP/1.0 Interestingly, 304 responses are still a form of redirect: the server is redirecting your visitor back to their HTTP cache. Ironically, as they’re all fingerprinted, this client could have gone the complete opposite way: Cache-Control: max-age= 2147483648 , immutable.

Latency 215

Latency Cache Transportation Mobile 215

The Netflix TechBlog

SEPTEMBER 10, 2024

Since that presentation, Pushy has grown in both size and scope, and this article will be discussing the investments we’ve made to evolve Pushy for the next generation of features. For more background on Pushy, you can see this InfoQ talk by Susheel Aroskar. It served Pushy’s needs well for many years.

Latency 233

Latency Cache Tuning Efficiency 233

Dynatrace

OCTOBER 15, 2020

With no required recompilation or code changes, you can: Monitor web-scale and highly dynamic microservice architectures including statically as well as dynamically linked Go applications and platform components. However, changing build options or source code is cumbersome and not an option for prebuilt third-party applications.

Transportation 188

Transportation Monitoring Metrics Code 188

The Netflix TechBlog

OCTOBER 16, 2019

Often the data is held in memory by consumers and used as a “total cache”, where it is accessed at runtime by client code and atomically swapped out under the hood. for example Open Connect Appliance cache configuration, supported device type IDs, supported payment method metadata, and A/B test configuration.

Cache 193

Cache Architecture Metrics Java 193

Jos

JUNE 2, 2018

There was something gratifying in taking a code that takes minutes to run and make it run in a handful seconds. presented in Google IO 2018 ( source ) These tools make it easier to determine where we need to put emphasis to improve our sites. Arrange a presentation and show them. A screenshot of Lighthouse 3.0, Get them excited.

Performance 237

Performance Speed Google Media 237

Scalegrid

JANUARY 25, 2024

Effective management of memory stores with policies like LRU/LFU proactive monitoring of the replication process and advanced metrics such as cache hit ratio and persistence indicators are crucial for ensuring data integrity and optimizing Redis’s performance. <code> 127.0.0.1:6379> <code> 127.0.0.1:6379>

Metrics 130

Metrics Monitoring Latency Cache 130

The Netflix TechBlog

NOVEMBER 23, 2020

The gRPC code is auto-generated from the gNMI protobuf model and gNMI carries the data modeled in OpenConfig, which has some encoding. We chose to build gnmi-gateway in Golang given the first-class support for protobufs in Go and that much of the existing reference code for gNMI exists in Golang.

Open Source 188

Open Source Network Transportation Cache 188

The Netflix TechBlog

DECEMBER 19, 2024

A natural solution is to make flows configurable using configuration files, so variants can be defined without changing the code. Unlike parameters, configs can be used more widely in your flow code, particularly, they can be used in step or flow level decorators as well as to set defaults for parameters. nflxfastdata(2.13.5);nflx(2.13.5);metaboost(0.0.27)

Best Practices 145

Best Practices Cache Metrics Code 145

ScaleOut Software

APRIL 22, 2020

The Solution: Distributed Caching. A widely used technology called distributed caching meets this need by storing frequently accessed data in memory on a server farm instead of within a database. It’s not enough simply to lash together a set of servers hosting a collection of in-memory caches.

Cache 52

Cache Storage Servers Database 52

ScaleOut Software

APRIL 22, 2020

The Solution: Distributed Caching. A widely used technology called distributed caching meets this need by storing frequently accessed data in memory on a server farm instead of within a database. It’s not enough simply to lash together a set of servers hosting a collection of in-memory caches.

Cache 52

Cache Storage Servers Database 52

The Netflix TechBlog

MARCH 5, 2019

the order of the rows on your Netflix home page, issuing content licenses when you click play, finding the Open Connect cache closest to you with the content you requested, and many more). In the last section, we will attempt to feed your curiosity by presenting a set of opportunities that will drive our next wave of impact for Netflix.

Infrastructure 186

Infrastructure Cloud Scalability AWS 186

Smashing Magazine

NOVEMBER 22, 2021

This high rate of growth, coupled with the current scale and diversity of offerings presents a huge challenge when setting out to improve performance. All Wix sessions contain custom instrumentation code that gathers performance metrics and transmits this information anonymously back to our telemetry servers. Large preview ).

Website 129

Website Performance Google Website Performance 129

Smashing Magazine

JULY 18, 2022

If anything makes the JavaScript code fail, the paid user won’t have their dose of fun and might get angry. The “stale-while-revalidate” cache control strategy can reduce the TTFB issue by serving a cached version of the page until it’s updated. implements those Edge Handlers as “middlewares,” so you can code them in JavaScript.

Cache 118

Cache Website Servers Energy 118

Brendan Gregg

JULY 2, 2021

Here are the top ten tools you can run and present as a generic BPF observability dashboard, along with suggested visualizations: Tool Shows Visualization. cachestat File system cache statistics line charts. cachestat File system cache statistics line charts. as a traced function was renamed or a new code path added.

Latency 144

Latency Cache Energy Systems 144

All Things Distributed

JUNE 21, 2018

This doesn't mean relational databases do not provide utility in present-day development and are not available, scalable, or provide high performance. Developers rely on the functionality of the relational database (not the application code) to enforce the schema and preserve the referential integrity of the data within the database.

Database 167

Database AWS Games Latency 167

Dynatrace

SEPTEMBER 17, 2019

End-to-end code-level tracing. Instead of presenting you with a handful of random screenshots from our demo environment I reached out to Robert, a close friend of mine, who leads a development team with the current task to re-architect and re-platform their multi-tenant SaaS-based eCommerce platform. REDIS for caching.

AWS 128

AWS Monitoring Ecommerce Lambda 128

Smashing Magazine

MAY 16, 2022

Examples of non-timing information you could send: HTTP Response status code, regions, request ids, etc. This is how they offer drop-in monitoring of all requests being made without us needing to change our code to monitor a request. Code used to monitor resources (fetch, XHR, images, stylesheets, scripts, HTML, etc.)

Servers 95

Servers Monitoring Cache Network 95

SQL Performance

NOVEMBER 10, 2021

Parameter embedding means SQL Server replaces parameter references in the query with the literal constant values from the current execution, and then the code with the constants gets optimized. The stored procedure allows much more flexibility in terms of the code elements you can use. So, let’s try…. GetEmpsF. (

Cache 121

Cache Servers Code Database 121

SQL Performance

MARCH 29, 2022

Simple parameterization has a number of quirks in this area, which can result in more parameterized plans being cached than expected, or finding different results compared with the unparameterized version. Reputation = 252552 ; These statements result in six cached plans, three Adhoc and three Prepared : Different guessed types.

Cache 90

Cache Servers Database Testing 90

The Netflix TechBlog

DECEMBER 17, 2019

Preventing code reuse across databases. Go to step 1 if more chunks present. This way, log event processing can resume event-by-event afterwards, eventually discovering the watermarks, without ever needing to cache log event entries. Ultimately, we decided to implement a different approach to handle dumps.

Database 223

Database Traffic Transportation Open Source 223

The Netflix TechBlog

DECEMBER 17, 2019

This prevents code reuse across databases. Go to step 1 if more chunks present. This way, log event processing can resume event-by-event afterwards, eventually discovering the watermarks, without ever needing to cache log event entries. Ultimately, we decided to implement a different approach to handle dumps.

Database 209

Database Traffic Transportation Open Source 209

Smashing Magazine

AUGUST 31, 2021

Anything that should be present on every single view of the app belongs here. A route will wrap other routes and thus provide them with common definitions instead of making developers duplicate code. Now we have readable code and we can pass props down to our components touching only required layers. zero-config caching layer.

Cache 104

Cache Servers Best Practices Code 104

Smashing Magazine

SEPTEMBER 20, 2021

They all generally are instrumented as JavaScript processes that are loaded onto your site’s web pages through a tag or snippet of loader code. Attempted modifications in JavaScript might break page functionality, inhibit proper rendering, or present other problems. Search Engine And Web Archive Cached Results. Large preview ).

Website 92

Website Analytics Google Cache 92

Smashing Magazine

NOVEMBER 17, 2022

And, just as the use of images is so present in content creation, optimizing them is key to improving our page load speed and rendering it in the shortest possible time, as images are responsible for more bytes than any other resource. Cache Your Images. According to the Web Almanac in late 2021, 95.9 <picture> <!--

Media 109

Media Cache Website Mobile 109

Percona

NOVEMBER 7, 2023

This book has five major sections on MVCC and Isolation (108 pages), Buffer Cache and WAL (53 pages), Locks (42 pages), Query Execution (154 pages), and the types of indexes (127 pages). The illustrations are clear, and there are many reference pointers to the documentation or source code where needed. Version 14?

Cache 94

Cache Servers Operating System Database 94

Alex Russell

APRIL 29, 2021

After 20 years of neck-in-neck competition, often starting from common code lineages, there just isn't that much left to wring out of the system. Enable developers to compress data efficiently without downloading large amounts of code to the browser. Healthy competition features various parties trading the lead with regularity.

Media 145

Media Games Education Engineering 145

Adrian Cockcroft

JANUARY 29, 2023

I presented this analysis of response time distributions talk in 2016 — at Microxchg in Berlin ( video ). The code is written using the R statistics language and I downloaded a free copy of RStudio to run the examples below. > I’ve been thinking about this for a long time. of the largest peak, the ones that are visible in the plot.

Lambda 98

Lambda Latency Cache C++ 98

SQL Performance

OCTOBER 7, 2020

Its raison d’être is to cache result rows from a plan subtree, then replay those rows on subsequent iterations if any correlated loop parameters are unchanged. Table-valued functions use a table variable, which can be used to cache and replay results in suitable circumstances. Spools are the least costly way to cache partial results.

Servers 106

Servers Cache Azure Performance 106

All Things Distributed

APRIL 27, 2011

To our shareowners: Random forests, naïve Bayesian estimators, RESTful services, gossip protocols, eventual consistency, data sharding, anti-entropy, Byzantine quorum, erasure coding, vector clocks. walk into certain Amazon meetings, and you may momentarily think youve stumbled into a computer science lecture.

Technology 132

Technology Technology AWS Storage 132

KeyCDN

SEPTEMBER 12, 2019

KeyCDN’s Cache Enabler plugin is fully compatible the HTML attributes that make images responsive. It also allows for additional control over the caching of your images as well as hotlink protection. The Cache Enabler plugin then delivers WebP images based to supported browsers. jpg 480 KB 407 KB 43 KB 89% jpg-to-webp-2.jpg

Social Media 106

Social Media Media Google Website 106

Percona

MAY 15, 2023

In short, any data that is written must be consistent with the data present. Normally this solution requires a full code redesign and could be quite difficult to achieve when it is injected after the initial code architecture definition. In all of them, the sharding key is present, either in the WHERE clause OR as a comment.

Traffic 128

Traffic Scalability Database Servers 128

SQL Performance

MARCH 22, 2022

In this first part, after a quick introduction, I look at the effects of simple parameterization on the plan cache. Still, you should write code with both close to the front of your mind. For legacy applications or other third-party code that cannot be easily changed, explicit parameterization may not always be possible.

Cache 61

Cache Servers Database Code 61

Abhishek Tiwari

NOVEMBER 3, 2018

When it comes to innovation, most of CMS solutions are constrained by their legacy architecture (read strong coupling between content management and content presentation) which makes it difficult to serve content to new types of emerging channels such as apps and devices. Eventually, we decided to move them to Jekyll.

Systems 63

Systems Cache Website Network 63

Speed Curve

FEBRUARY 25, 2024

Guest profiles also start with empty caches, empty cookie stores, empty browser storage, etc. A pointerdown event handler within the site's own code executes. Handlers within the site's own code for gotpointercpature , lostpointercapture , pointerup , pointerout and touchend events execute.

Analytics 94

Analytics Processing Google Mobile 94

Smashing Magazine

JUNE 9, 2022

As a result, users can enjoy more capable and feature-rich applications that remain performant through techniques like code-splitting, caching, prefetching, and other resource optimization techniques — with some applications that are even able to work offline. The present. Unbundled development is great.

Code 113

Code Development Processing Cache 113

Testsigma

JUNE 3, 2021

These software errors are usually uncovered during functionality testing, mostly can be present as: Difficult/ confusing functionality: If the user is unable to understand or perform a function on the application, then it should change. Caching errors. Data like images are usually cached on the partner application.

Software 82

Software Software Testing Hardware 82