The Netflix TechBlog

OCTOBER 15, 2019

Another thread or process is constantly polling events from the log table and writes them to one or multiple datastores, optionally removing events from the log table after acknowledged by all datastores. The whole process is nearly real-time, meaning as soon as the changes are committed to the datastore, the search indexes are updated.

Transportation 192

Transportation Architecture Processing Storage 192

Dynatrace

JUNE 7, 2019

To see the complete picture of all changes that have occurred across all nodes, you need to process audit logs from all nodes. Audit logs are available on individual nodes at DATASTORE_PATH/log/server. Cluster event audit logs are available as of Dynatrace Managed version 1.170. Other improvements.

Hardware 102

Hardware Traffic Servers Monitoring 102

The Netflix TechBlog

NOVEMBER 22, 2019

December 2 1pm-2pm CMP 326-R Capacity Management Made Easy with Amazon EC2 Auto Scaling Vadim Filanovsky , Senior Performance Engineer & Anoop Kapoor, AWS Abstract :Amazon EC2 Auto Scaling offers a hands-free capacity management experience to help customers maintain a healthy fleet, improve application availability, and reduce costs.

AWS 37

AWS Entertainment Open Source Benchmarking 37

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Also, as Patrick Meenan suggested, it’s worth to plan out a loading sequence and trade-offs during the design process.

Performance 104

Performance Cache Network Metrics 104

KeyCDN

JUNE 6, 2019

The new feature integrates into the existing CDN and is available to all customers. Either you take advantage of image processing where we convert the images automatically for you or you deliver the WebP assets from your origin based on the accept header. Smaller assets mean less traffic delivered and better performance overall.

Cache 81

Cache Servers Website Traffic 81

Dynatrace

NOVEMBER 20, 2019

Having released this functionality in an Early Adopter Release with OneAgent version 1.173 and Dynatrace version 1.174 back in August 2019, we’re now happy to announce the General Availability of OneAgent full-stack monitoring for Linux on the IBM Z platform, sometimes informally referred to as Z/Linux. Release details.

Availability 31

Availability Hardware Java Tuning 31

Alex Russell

JUNE 22, 2022

There's no point in recommending a better browser because none is available. This market then funds all of the R&D and operational costs of search engines, including "traffic acquisition costs" like browser default placement deals. [2]. When regulators and legislators began asking questions in 2019, a response was required.

Engineering 110

Engineering Traffic Government Google 110

The Morning Paper

FEBRUARY 11, 2020

As of January 21, 2019, the CA had issued a total of 538M certificates for 223M unique FQDNs… Let’s Encrypt has been responsible for significant growth in HTTPS deployment. Staffing is the biggest expense, with 13 full-time employees as of May 2019: six SREs, three software developers, and four admin staff. The last word.

Internet 119

Internet Internet Open Source Transportation 119

Dynatrace

AUGUST 8, 2019

We’re happy to announce the Early Adopter Release of OneAgent full-stack monitoring for Linux on the IBM Z platform, sometimes informally referred to as Z/Linux (available with OneAgent version 1.173 and Dynatrace version 1.174). For details on available metrics, see our help page on host performance monitoring. Dynatrace news.

Availability 25

Availability Hardware Java Tuning 25

The Morning Paper

OCTOBER 4, 2020

The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 The bulk of this latency comes from on-device frame processing, not network transmission delay. Unsurprisingly, the more network traffic and hence the more you’re using the radio, the more power 5G consumes.

Energy 130

Energy Latency Performance Network 130

Dynatrace

APRIL 30, 2019

Most of the time is taken by quality or release engineers looking at test results, comparing them with previous builds or walking through a checklist of items that accumulated over the years in order to harden their release acceptance process. It takes your artifacts (e.g:

Architecture 125

Architecture Open Source Azure Metrics 125

Enprowess

JANUARY 12, 2022

Convenient Debugging : Debugging process is easy for the developers as single page application SPA offer developers tools. According to Ericsson’s analysis, international mobile data traffic is projected to become 4.5 24*7 Availability : Chatbots are available 24×7 and can respond to your customer’s queries as fast as possible.

Blockchain 59

Blockchain IoT Development Serverless 59

Rigor

SEPTEMBER 3, 2019

It’s about ensuring that your front-end is also working perfectly, that your site can deliver a delightful experience to your users or customers, and that it is functional – even when it’s experiencing up to seven or more times the typical traffic load. They seem to have learned from their mistakes for Prime Day 2019.).

Website 74

Website Cache Traffic Ecommerce 74

Testsigma

JANUARY 29, 2021

As per April 2019 data of Statistica[1], the global mobile population accounted for 4 billion unique users. That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. for participating in the mobile website testing process. Why should you focus on Mobile Website Testing? Signup now.

Website 98

Website Mobile Testing Strategy 98

Smashing Magazine

FEBRUARY 15, 2021

When I think of network speeds, I tend to rely on WebPageTest ’s traffic profiles: Traffic profiles to keep in mind on WebPageTest : ranging from Cable and DSL to 3G Slow and 2G. In general, the bitrate of your video should be about 80% of the available throughput on the network. Large preview ). Video Size (Pixels).

Network 143

Network Speed Website Mobile 143

KeyCDN

MARCH 22, 2023

Why a website security check is so important In 2019, it was found that over 60% of websites were vulnerable at the time of infection. You might think that getting inside a website is a process full of challenges and requires weeks of hard work and a great amount of knowledge about coding, computers, servers, etc.

Website 60

Website Servers Ecommerce Google 60

Alex Russell

MARCH 6, 2021

Modern network performance and availability. Advances in browser content processing. India has been the epicentre of smartphone growth in recent years, owing to the sheer size of its market and an accelerating shift away from feature phones which made up the majority of Indian mobile devices until as late as 2019. " package.

Performance 124

Performance Network Cache Metrics 124

Brendan Gregg

SEPTEMBER 25, 2021

What about short-lived processes, like a service restarting in a loop? Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. top(1) showed that only the Cassandra database was consuming CPU.

Speed 126

Speed Java AWS Virtualization 126

The Morning Paper

JULY 4, 2019

This mode is still available but take up from busy service teams was limited. This reduces the false positive rate and helps build trust in the system, but also sounds like the current bottleneck in the process (“ this was generally a time-consuming and tedious process “). Defining and running experiments.

Latency 77

Latency Engineering Metrics Traffic 77

Testsigma

DECEMBER 8, 2019

The highlights of the top test automation trends that we will be discussing in this article are: Integration of Automation of different processes to enable improved and enhanced end to end automation for eg. Going towards low MTTR means an improvement in all three of these categories: testing process, effectiveness, and tooling.

IoT 78

IoT Software Software Artificial Intelligence 78

The Netflix TechBlog

NOVEMBER 2, 2020

How viewers are able to watch their favorite show on Netflix while the infrastructure self-recovers from a system failure By Manuel Correa , Arthur Gonigberg , and Daniel West Getting stuck in traffic is one of the most frustrating experiences for drivers around the world. Logs and background requests are examples of this type of traffic.

Traffic 252

Traffic Metrics Infrastructure Architecture 252

Smashing Magazine

JULY 29, 2019

2019-07-29T14:00:59+02:00. 2019-07-29T13:06:57+00:00. The United Kingdom is ranked 34th out of 207 countries for broadband speed, but in July 2019 there was still a school in the UK without broadband. It accounts for 1.42% of global traffic as of June 2019, according to caniuse.com. Chris Ashton. MB of data.

Cache 96

Cache Google Mobile Network 96

Brendan Gregg

SEPTEMBER 25, 2021

What about short-lived processes, like a service restarting in a loop? Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. top(1) showed that only the Cassandra database was consuming CPU.

Speed 52

Speed Java AWS Virtualization 52

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Some of DBLog’s features are: Processes captured log events in-order.

Database 212

Database Traffic Transportation Open Source 212

Smashing Magazine

OCTOBER 15, 2018

2019-04-29T18:34:58+00:00. A website today receives a large chunk of its traffic from evergreen browsers — most of which have good support for ES6+, new JavaScript standards, new web platform APIs and CSS attributes. Modern web application development has been simplified due to the availability of a plethora of new browser APIs.

Code 58

Code Retail Mobile Website 58

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Some of DBLog’s features are: Processes captured log events in-order.

Database 197

Database Traffic Transportation Open Source 197

Smashing Magazine

JANUARY 11, 2021

Micro-optimizations are great for keeping performance on track, but it’s critical to have clearly defined targets in mind — measurable goals that would influence any decisions made throughout the process. CrUX generates an overview of performance distributions over time, with traffic collected from Google Chrome users.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 21, 2021

Back in 2017 we built the entire site with Preact, but then have moved to React in 2019 — and use it along with a few APIs for search, comments, authentication and checkout. Back in 2017, the entire layout was built with Flexbox and rebuilt with CSS Grid and CSS Custom Properties in mid-2019.

Performance 145

Performance Cache Mobile Network 145

Brendan Gregg

SEPTEMBER 25, 2021

What about short-lived processes, like a service restarting in a loop? Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. top(1) showed that only the Cassandra database was consuming CPU.

Speed 40

Speed Java AWS Virtualization 40

Smashing Magazine

SEPTEMBER 26, 2019

2019-09-26T12:30:59+02:00. 2019-09-26T11:02:12+00:00. Instead, you migrate application bit-by-bit and make those new bits available to your users as soon as they are ready. I believe you have to truly enjoy digging configurations and solving console errors to enjoy this process. Denys Mishunov. Source ) ( Large preview ).

Architecture 74

Architecture Virtualization Servers Technology 74

Smashing Magazine

JANUARY 6, 2020

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Also, as Patrick Meenan suggested, it’s worth to plan out a loading sequence and trade-offs during the design process.

Performance 145

Performance Cache Network Metrics 145

SQL Server According to Bob

DECEMBER 18, 2018

Testing shows that by using the Fua bit with the data, write request can reduce the I/O traffic by ~50% for a SQL Server, write-intensive workload. The repeated use of a write request followed by a flush request may be detrimental to performance and will increase traffic on the I/O bus. Starting with the Linux 4.18 4 Socket, TPCC.

Servers 90

Servers Media Cache Storage 90