The Netflix TechBlog

JANUARY 10, 2024

This architecture shift greatly reduced the processing latency and increased system resiliency. We expanded pipeline support to serve our studio/content-development use cases, which had different latency and resiliency requirements as compared to the traditional streaming use case. divide the input video into small chunks 2.

Processing 229

Processing Media Latency Innovation 229

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. For example, optimizing resource utilization for greater scale and lower cost and driving insights to increase adoption of cloud-native serverless services.

AWS 252

AWS Efficiency Azure Cloud 252

Dynatrace

JUNE 25, 2020

For example, in a three-node cluster, one node can go down; in a cluster with five or more nodes, two nodes can go down. The network latency between cluster nodes should be around 10 ms or less. Minimized cross-data center network traffic. Automatic recovery for outages for up to 72 hours. Self-contained turnkey solution.

Availability 251

Availability Hardware Latency Traffic 251

The Netflix TechBlog

SEPTEMBER 24, 2021

As an example, cloud-based post-production editing and collaboration pipelines demand a complex set of functionalities, including the generation and hosting of high quality proxy content. The following table gives us an example of file sizes for 4K ProRes 422 HQ proxies.

Cloud 237

Cloud Media Storage Cache 237

Scalegrid

FEBRUARY 8, 2024

Their design emphasizes increasing availability by spreading out files among different nodes or servers — this approach significantly reduces risks associated with losing or corrupting data due to node failure. Variations within these storage systems are called distributed file systems.

Storage 130

Storage Systems Big Data Azure 130

Percona

MARCH 29, 2023

In this blog, we will discuss both data and network-level compression offered in MongoDB. We will discuss snappy and zstd for data block and zstd compression in a network. By default, MongoDB provides a snappy block compression method for storage and network communication. I am using PSMDB 6.0.4 Values can range from 1 to 22.

Storage 105

Storage Network Open Source Latency 105

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. For example, on a 128GB memory host, this can allow up to 38.4GB of dirty pages. Two other schedulers are deadline and noop.

Best Practices 52

Best Practices Design Tuning Database 52

The Netflix TechBlog

SEPTEMBER 8, 2020

As an example, to render the screen shown here, the app sends a query that looks like this: paths: ["videos", 80154610, "detail"] A path starts from a root object , and is followed by a sequence of keys that we want to retrieve the data for.

Latency 233

Latency Cache Java Traffic 233

CSS Wizardry

MAY 31, 2019

A classic example is jQuery, that we might link to like so: There are a number of perceived benefits to doing this, but my aim later in this article is to either debunk these claims, or show how other costs vastly outweigh them. Penalty: Network Negotiation. On a slower, higher-latency connection, the story is much, mush worse.

Cache 274

Cache Latency Infrastructure Website 274

Dynatrace

APRIL 26, 2022

With DEM solutions, organizations can operate over on-premise network infrastructure or private or public cloud SaaS or IaaS offerings. STM generates traffic that replicates the typical path or behavior of a user on a network to measure performance for example, response times, availability, packet loss, latency, jitter, and other variables).

Monitoring 209

Monitoring Social Media IoT Metrics 209

IO River

NOVEMBER 2, 2023

A content delivery network (CDN) is a distributed network of servers strategically located across multiple geographical locations to deliver web content to end users more efficiently. A lower RTT indicates a faster network response time and happier end users. Here are a few examples. What is a CDN?‍A

Architecture 52

Architecture Cache Performance Latency 52

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. An example of data about members is the video they had watched or added to their My List.

Storage 187

Storage Design Scalability Latency 187

The Netflix TechBlog

AUGUST 30, 2021

For example, when running tests, the state of the device will change from “available for testing” to “in test.” When a new hardware device is connected, the Local Registry detects and collects a set of information about it, such as networking information and ESN. In this blog post, we will focus on the latter feature set.

Latency 213

Latency Traffic Transportation Hardware 213

Scalegrid

JANUARY 12, 2024

Various forms can take shape when discussing workloads within the realm of cloud computing environments – examples include order management databases, collaboration tools, videoconferencing systems, virtual desktops, and disaster recovery mechanisms. Storage is a critical aspect to consider when working with cloud workloads.

Cloud 130

Cloud Virtualization Storage Efficiency 130

The Netflix TechBlog

FEBRUARY 18, 2022

For example, a member-triggered event such as “ change in a profile’s maturity level” should have a much higher priority than a “ system diagnostic signal”. This network connection heterogeneity made choosing a single delivery model difficult. This approach enables the computing power to catch up quickly when the queues grow.

Systems 334

Systems Traffic Architecture Mobile 334

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. As an illustrative example, let’s consider a toy instance of 16 hyperthreads.

Cache 251

Cache Latency Airlines Logistics 251

CSS Wizardry

MAY 19, 2020

It’s widely accepted that self-hosted fonts are the fastest option: same origin means reduced network negotiation, predictable URLs mean we can preload , self-hosted means we can set our own cache-control. On a high-latency connection, this spells bad news. Visually complete was 200ms faster , but any first- metrics were untouched.

Google 364

Google Media Latency Metrics 364

Alex Russell

DECEMBER 18, 2022

TL;DR : To serve users at the 75 th percentile ( P75 ) of devices and networks, we can now afford ~150KiB of HTML/CSS/fonts and ~300-350KiB of JavaScript (gzipped). This is a slight improvement on last year's budgets , thanks to device and network improvements. This is an ethical crisis for the frontend. 2023 Content Targets #.

Performance 113

Performance Network Mobile Latency 113

Dynatrace

APRIL 5, 2021

You will likely need to write code to integrate systems and handle complex tasks or incoming network requests. Some common examples include: A request through API Gateway or Amplify. AWS continues to improve how it handles latency issues. How does AWS Lambda work? The container goes inactive until triggered again.

Lambda 184

Lambda AWS Serverless Hardware 184

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). The homepage needs to load in a reasonable amount of time, even in poor network conditions.

Engineering 165

Engineering Storage Latency Entertainment 165

CSS Wizardry

MARCH 3, 2019

The best request is the one that never happens: in the fight for fast websites, avoiding the network is far better than hitting the network at all. Any asset that carries the no-store directive will always hit the network, no matter what. We can completely cut out the overhead of a roundtrip of latency.

Cache 264

Cache Latency Strategy Servers 264

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. The kind of edge server envisaged here might, for example, be integrated with your WiFi access point. One example from the paper is an application using the ammo.js Why would we want to live migrate web workers?

Mobile 104

Mobile Cloud Latency Games 104

The Netflix TechBlog

DECEMBER 21, 2020

This article will list some of the use cases of AutoOptimize, discuss the design principles that help enhance efficiency, and present the high-level architecture. For example, we allow a partition to have a few small files instead of always merging files in perfect sizes. Transparency to end-users.

Storage 203

Storage Latency Efficiency Data Engineering 203

The Netflix TechBlog

FEBRUARY 9, 2021

A few years ago, we decided to address this complexity by spinning up a new initiative, and eventually a new team, to move the complex handling of user and device authentication, and various security protocols and tokens, to the edge of the network, managed by a set of centralized services, and a single team.

Architecture 221

Architecture Latency Servers Website 221

The Netflix TechBlog

OCTOBER 19, 2020

a Netflix member via Twitter This is an example of a question our on-call engineers need to answer to help resolve a member issue?—?which Now let’s look at how we designed the tracing infrastructure that powers Edgar. which is difficult when troubleshooting distributed systems.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

The Morning Paper

NOVEMBER 15, 2020

With more nodes and more coordination comes more complexity, both in design and operation. Today’s paper choice is a wonderful example of pushing the state of the art on a single server. An IDS/IPS monitors network flows and matches incoming packets (or more strictly, Protocol Data Units, PDUs) against a set of rules.

Servers 128

Servers Hardware Latency Design 128

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. Two-way latency is often called round-trip time (RTT). Congestion Control.

Performance 106

Performance Network Latency Servers 106

Dynatrace

DECEMBER 22, 2019

AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. You can observe the metrics across service instances split by region (in this example, API Gateways in us-east-1 and us-east-2 ). You can also create custom charts.

AWS 137

AWS Metrics IoT Storage 137

Dynatrace

DECEMBER 22, 2019

AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. You can observe the metrics across service instances split by region (in this example, API Gateways in us-east-1 and us-east-2 ). You can also create custom charts.

AWS 133

AWS Metrics IoT Storage 133

The Morning Paper

MAY 19, 2019

Last week we learned about the [increased tail-latency sensitivity of microservices based applications with high RPC fan-outs. Seer uses estimates of queue depths to mitigate latency spikes on the order of 10-100ms, in conjunction with a cluster manager. So what we have here is a glimpse of the limits for low-latency RPCs under load.

Latency 80

Latency Hardware Network Architecture 80

All Things Distributed

MARCH 26, 2018

Even though the network design for each data center is massively redundant, interruptions can still occur. No two zones are allowed to share low-level core dependencies, such as power supply or a core network. This design has a double benefit. One is that the latency within a zone is incredibly fast.

AWS 132

AWS Latency Lambda Architecture 132

Smashing Magazine

AUGUST 10, 2023

Certain tools are designed for certain metrics with certain assumptions that produce certain results. The other issue is that the data I’m getting back is based on lab simulations where I can add throttling, determine the device that’s used, and the network connection, among other simulated conditions. Lighthouse results.

Speed 81

Speed Monitoring Testing Network 81

Percona

DECEMBER 26, 2023

This allows for much better data accuracy, especially in the case of high-resolution or unreliable networks. Installation (example: CENTOS8, pg14) The simplest way to get pg_stat_monitor is to install it via Percona Distribution for PostgreSQL. This allows a user to drill down into the performance of queries.

Benchmarking 120

Benchmarking Metrics C++ Database 120

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. seconds on the target device and network profile, consuming 120KiB of critical path resources to become interactive, only 8KiB of which is script. Engineering is the discipline of designing solutions under specific constraints.

Performance 90

Performance Network Mobile Speed 90

IO River

NOVEMBER 2, 2023

This is where a well-architected Content Delivery Network (CDN) shines. Â The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings. This way, even if a user desires to watch in 4K but lacks the necessary network resources, HLS steps in to offer a lower-quality version.

Architecture 52

Architecture Performance Internet Internet 52

IO River

NOVEMBER 2, 2023

This is where a well-architected Content Delivery Network (CDN) shines. The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings. This way, even if a user desires to watch in 4K but lacks the necessary network resources, HLS steps in to offer a lower-quality version.

Architecture 52

Architecture Performance Internet Internet 52

HammerDB

OCTOBER 23, 2023

HammerDB has always used stored procedures as a design decision because the original benchmark was implemented as close as possible to the example workload in the TPC-C specification that uses stored procedures. As an example from the TPC-C specification, this is the Stock Level procedure. On MySQL, we saw a 1.5X

Benchmarking 62

Benchmarking Database Network C++ 62