The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. No locks on tables are ever acquired, which prevent impacting write traffic on the source database. Writing events to any output.

Database 206

Database Traffic Transportation Open Source 206

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. This avoids thrashing caches too much for B and evens out the pressure on the L3 caches of the machine.

Cache 258

Cache Latency Airlines Logistics 258

The Netflix TechBlog

SEPTEMBER 8, 2020

This allowed Android engineers to have much more control and observability over how we get our data. Background The Netflix Android app uses the falcor data model and query protocol. For example, the artwork service is separate from the video metadata service, but we need the data from both in the detail key.

Latency 241

Latency Cache Java Traffic 241

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 Reliability space, our data teams focus on two main approaches. All these micro-services are currently operated in AWS cloud infrastructure.

Infrastructure 185

Infrastructure Cloud Scalability AWS 185

CSS Wizardry

SEPTEMBER 16, 2024

Last week, I posted a short update on LinkedIn about CrUX’s new RTT data. Chrome have recently begun adding Round-Trip-Time (RTT) data to the Chrome User Experience Report (CrUX). Where Does CrUX’s RTT Data Come From? RTT data should be seen as an insight and not a metric. RTT isn’t a you-thing, it’s a them-thing.

Latency 234

Latency Cache Transportation Mobile 234

Alex Russell

MARCH 31, 2022

Browsers will cache tools popular among vocal, leading-edge developers. There's plenty of space for caching most popular frameworks. The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Suppose a user has only downloaded part of the cache.

Cache 89

Cache Government Traffic Network 89

The Netflix TechBlog

MARCH 10, 2023

And more specifically, how we index and query over 7TB of data in a read-heavy and continuously growing environment and keep our Elasticsearch cluster healthy. You define the data types for each field, or use dynamic mapping for unknown fields. It was time to take a step back and reevaluate our ES data indexing and sharding strategy.

Strategy 264

Strategy Cache Storage Analytics 264

Dynatrace

AUGUST 30, 2019

We have several YouTube Tutorials and blog posts available that show how you can use Dynatrace RUM data for Web Performance & User Experience Optimization. Missing Cache Settings – Make sure you cache resources that don’t change often on the browser or use a CDN. Improve Above-the-fold User Experience with Dynatrace.

Cache 214

Cache Database Architecture Government 214

Dynatrace

MAY 17, 2023

OpenTelemetry, the open source observability tool, has emerged as an industry-standard solution for instrumenting application telemetry data to make it observable. OpenTelemetry then renders those connection details—such as connect, send, and receive times, connection status, and transmitted data size—back to the client.

Metrics 245

Metrics Open Source Traffic Cache 245

The Netflix TechBlog

MARCH 7, 2024

Berg , Romain Cledat , Kayla Seeley , Shashank Srikanth , Chaoying Wang , Darin Yu Netflix uses data science and machine learning across all facets of the company, powering a wide range of business applications from our internal infrastructure and content demand modeling to media understanding.

Systems 235

Systems Media Cache Open Source 235

Scalegrid

APRIL 16, 2020

Each of these models is suitable for production deployments and high traffic applications, and are available for all of our supported databases, including MySQL , PostgreSQL , Redis™ and MongoDB® database ( Greenplum® database coming soon). This becomes really important for cache solutions like Redis™. Reserved Instances.

Cloud 242

Cloud Azure AWS Database 242

The Netflix TechBlog

OCTOBER 16, 2019

consumers subscribe to data and are updated to the latest versions when they are published. Each version of the dataset is immutable and represents a complete view of the data?—?there there is no dependency on previous versions of data. Data model 1 topic -> many versions The top-level construct in Gutenberg is a “topic”.

Cache 191

Cache Architecture Metrics Java 191

Scalegrid

JANUARY 5, 2024

Enhanced data security, better data integrity, and efficient access to information. This article cuts through the complexity to showcase the tangible benefits of DBMS, equipping you with the knowledge to make informed decisions about your data management strategies. What are the key advantages of DBMS?

Efficiency 147

Efficiency Storage Database Scalability 147

Smashing Magazine

JUNE 29, 2021

Without build optimizations (incremental builds, caching, we will get to those soon) this will eventually become unmanageable as well — think about going through all images in a website: resizing, deleting, and/or creating new files over and over again. The incremental stage happens only after the deployment and for the data.

Cache 139

Cache Website Strategy Traffic 139

Scalegrid

MARCH 28, 2024

In this comparison of Redis vs Memcached, we strip away the complexity, focusing on each in-memory data store’s performance, scalability, and unique features. Redis is better suited for complex data models, and Memcached is better suited for high-throughput, string-based caching scenarios.

Cache 130

Cache Storage Scalability Architecture 130

Percona

AUGUST 8, 2023

As businesses grow and develop, the requirements that they have for their data platform grow along with it. Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization. Let’s take a look at each common resource. MySQL has two main memory consumers.

Traffic 98

Traffic Cache Monitoring Database 98

Smashing Magazine

NOVEMBER 8, 2021

From connecting back-office operations to front-of-the-house A/B testing and dynamic personalization for each customer, the shared foundation is fast server-side rendering powered by fast storefront data access. On top of this foundation, we add layers of caching, prerendering and edge delivery optimizations — not the other way around.

Cache 139

Cache Best Practices Strategy Servers 139

Percona

JUNE 22, 2023

Database uptime and availability Monitoring database uptime and availability is crucial as it directly impacts the availability of critical data and the performance of applications or websites that rely on the MySQL database. That said, it should also be monitored for usage, which will exhibit the traffic pressuring them.

Performance 136

Performance Monitoring Traffic Database 136

Smashing Magazine

DECEMBER 23, 2020

The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection. The service workers also retrieve the latest data once the server connection is restored. Cached content with IndexedDB. Cache first, then network. Service Workers.

Cache 136

Cache Internet Internet Google 136

The Morning Paper

JUNE 25, 2019

Designing far memory data structures: think outside the box Aguilera et al., Last time out we looked at some of the trade-offs between RInKs and LInKs , and the advantages of local in-memory data structures. For many data center applications this looks to me like it could be a compelling future choice. HotOS’19.

Design 80

Design Cache Hardware Scalability 80

The Netflix TechBlog

NOVEMBER 23, 2020

Introducing gnmi-gateway: a modular, distributed, and highly available service for modern network telemetry via OpenConfig and gNMI By: Colin McIntosh, Michael Costello Netflix runs its own content delivery network, Open Connect , which delivers all streaming traffic to our members. Some leaves are removed for brevity.

Open Source 188

Open Source Network Transportation Cache 188

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. All these contribute significantly towards ensuring smooth functioning.

Metrics 130

Metrics Monitoring Latency Cache 130

Percona

MARCH 20, 2023

When deciding what to pick, there are many things to consider, like where the proxy needs to be, if it “just” needs to redirect the connections, or if more features need to be in, like caching and filtering, or if it needs to be integrated with some MySQL embedded automation. Given that, there never was a single straight answer.

Games 141

Games Latency Traffic Cache 141

The Morning Paper

MAY 23, 2019

Compress objects, not cache lines: an object-based compressed memory hierarchy Tsai & Sanchez, ASPLOS’19. Existing cache and main memory compression techniques compress data in small fixed-size blocks, typically cache lines. ” The big idea. Implications. This is where Hotpads comes in.

Cache 61

Cache Benchmarking Hardware Java 61

The Morning Paper

SEPTEMBER 24, 2019

50 ways to leak your data: an exploration of apps’ circumvention of the Android permissions system Reardon et al., The problem is all inside your app, she said to me / The answer is easy if you take it logically / I’d like to help data in its struggle to be free / There must be fifty ways to leak their data.

Systems 74

Systems Traffic Network Google 74

Dynatrace

SEPTEMBER 17, 2019

Some vendors have just bolted on individual capabilities which often leads to six data silos. PostgreSQL & Elastic for data storage. REDIS for caching. MaaSS for Business: Data per SaaS-Tenant. The Business teams therefore built a set of dashboards that contain the data they want to see.

AWS 170

AWS Monitoring Ecommerce Lambda 170

Percona

JANUARY 3, 2024

The daemon accepts incoming traffic from MySQL clients and forwards it to backend MySQL servers. These include runtime parameters, server grouping, and traffic-related settings. The proxy is designed to run continuously without needing to be restarted. sec) ProxySQLAdmin> delete from mysql_servers; Query OK, 2 rows affected (0.01

Traffic 120

Traffic Hardware Cache Servers 120

All Things Distributed

JUNE 21, 2018

To do this, they need to be able to use multiple databases and data models within the same application. For decades because the only database choice was a relational database, no matter the shape or function of the data in the application, the data was modeled as relational.

Database 167

Database AWS Games Latency 167

InfoQ

JULY 3, 2023

LinkedIn introduced Couchbase as a centralized caching tier for scaling member profile reads to handle increasing traffic that has outgrown their existing database cluster. The new solution achieved over 99% hit rate, helped reduce tail latencies by more than 60% and costs by 10% annually. By Rafal Gancarz

Cache 87

Cache Latency Traffic Database 87

Smashing Magazine

MAY 12, 2022

In this article, I will analyze the performance cost associated with various frameworks, based on field data collected by the Google Chrome User Experience Report , or CrUX for short. However, when reviewing this data, it’s important not to conflate correlation and causation. Collecting Core Web Vitals From The Field.

Google 136

Google Performance Website Mobile 136

Percona

MAY 15, 2023

The main reason behind this is that MySQL is a relational database system (RDBMS), and any data that is going to be written in it must respect the RDBMS rules. In short, any data that is written must be consistent with the data present. The alternative is to split a consistent set of data into fragments. This is it.

Traffic 144

Traffic Scalability Database Servers 144

All Things Distributed

NOVEMBER 26, 2013

Cross Region Read Replicas also enable you to serve read traffic for your global customer base from regions that are nearest to them. In addition, Amazon S3 redundantly stores data in multiple facilities and is designed for 99.999999999% durability and 99.99% availability of objects over a given year.

Cloud 111

Cloud AWS Traffic Latency 111

Smashing Magazine

MARCH 6, 2025

Theyve also added this data to the Chrome UX Report , allowing you to see what causes delays for real visitors on your website! So, to improve the TTFB, we need to speed up that process or cache the HTML so we can skip the HTML generation entirely. To make the data easier to interpret, Google only reports subpart data for images.

Website 59

Website Google Speed Metrics 59

Dotcom-Montior

AUGUST 5, 2020

As an ad publisher, your revenue depends on two main factors: traffic to your site and ad optimization. A lot of the focus goes into the practice and processes of driving traffic to your site from an SEO perspective, but what if when visitors get to your site, they have a less than ideal experience?

Website 92

Website Speed Cache Traffic 92

The Morning Paper

NOVEMBER 14, 2019

Taiji: managing global user traffic for large-scale internet services at the edge Xu et al., It’s another networking paper to close out the week (and our coverage of SOSP’19), but whereas Snap looked at traffic routing within the datacenter, Taiji is concerned with routing traffic from the edge to a datacenter. SOSP’19.

Traffic 42

Traffic Internet Internet Latency 42

Smashing Magazine

AUGUST 3, 2023

It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. The higher our organic traffic, the more profitable we become as a company.

Performance 78

Performance Cache Traffic Metrics 78

All Things Distributed

OCTOBER 2, 2017

Secure – The service would have to store critical data for external AWS customers which would require an even higher bar for access control and security. VPC Endpoints give you the ability to control whether network traffic between your application and DynamoDB traverses the public Internet or stays within your virtual private cloud.

Internet 111

Internet Internet AWS Performance 111