O'Reilly

NOVEMBER 12, 2019

Rather than buying racks and racks of servers that need to handle the maximum potential traffic and be idle most of the time, it seems that serverless’ method of paying by compute is proving to be beneficial to the bottom lines of organizations. 1] The serverless adoption survey ran in June 2019. 1 reported benefit.

Serverless 88

Serverless Architecture FinTech Infrastructure 88

Dynatrace

JUNE 9, 2021

According to the 2019 Verizon Data Breach Investigations Report, web application attacks were the number one type of attack. The Marriott data breach, in which one of its reservation systems had been compromised and hundreds of millions of customer records, including credit card and passport numbers, were stolen. million Americans, 15.2

Open Source 183

Open Source Entertainment Tuning Internet 183

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., USENIX Security Symposium 2019. Side-channels are typically an unintentional consequence of a complicated system. The destination endpoint for the network traffic typically identifies the SDK responsible.

Systems 74

Systems Traffic Network Google 74

Dynatrace

JULY 8, 2019

And the last thing you want to do with synthetic is introduce false positives (the bane of all synthetic testing) into the system, and yet this was happening too often. But I’m not sure that’s a real issue in 2019. When a data center had issues, or a box has issues, our customers had issues. Some customers do but most do not.

Cloud 202

Cloud Hardware Testing Logistics 202

The Netflix TechBlog

NOVEMBER 22, 2019

Netflix shares how Amazon EC2 Auto Scaling allows its infrastructure to automatically adapt to changing traffic patterns in order to keep its audience entertained and its costs on target. In this talk, we share how Netflix deploys systems to meet its demands, Ceph’s design for high availability, and results from our benchmarking.

AWS 37

AWS Entertainment Open Source Benchmarking 37

The Netflix TechBlog

OCTOBER 19, 2020

which is difficult when troubleshooting distributed systems. Troubleshooting a session in Edgar When we started building Edgar four years ago, there were very few open-source distributed tracing systems that satisfied our needs. Investigating a video streaming failure consists of inspecting all aspects of a member account.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Dynatrace

AUGUST 14, 2019

For the complete list of systems and technologies that are supported by OneAgent, see the Dynatrace supported technologies page. This includes the communication process, TNS Listener, so all incoming and outgoing traffic will be associated with the group. support has been extended and will reach end-of-life in November 2019.

Java 105

Java Cloud Traffic Virtualization 105

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. Blocking write traffic by locking tables. Writing events to any output.

Database 197

Database Traffic Transportation Open Source 197

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. Blocking write traffic by locking tables. Writing events to any output.

Database 212

Database Traffic Transportation Open Source 212

The Netflix TechBlog

OCTOBER 15, 2019

Another issue exists for the capture of schema changes, where some systems, like MySQL, don’t support transactional schema changes [1][2]. By their nature, they can only rely on the lowest common denominator of participating systems. That system quickly grew very complex and became difficult to maintain. Online Event Processing.

Transportation 192

Transportation Architecture Processing Storage 192

The Netflix TechBlog

SEPTEMBER 13, 2021

Historically we have been responsible for connecting, routing, and steering internet traffic from Netflix subscribers to services in the cloud. Nearly all of the blockers related to systems in which (usually for historical reasons) some application team was solving both authentication and application routing in a custom way.

Internet 220

Internet Internet Cloud Traffic 220

CSS Wizardry

JULY 23, 2023

All Core Web Vitals data used to rank you is taken from actual Chrome-based traffic to your site. Furthermore, they add: Google’s core ranking systems look to reward content that provides a good page experience. Understanding page experience in Google Search results …for many queries, there is lots of helpful content available.

Engineering 246

Engineering Google Speed Mobile 246

Percona

MARCH 7, 2019

The customer had noticed a linear high CPU usage in one of their MySQL instances and was not able to figure out why as there was no much traffic hitting the app. It’s important to understand where the CPU time is being consumed: user space, system space, iowait, and so on. 2019-02-22T18:26:25 Creating triggers.

C++ 98

C++ Traffic Servers Monitoring 98

The Morning Paper

FEBRUARY 4, 2020

arXiv 2019. Last time out we looked at fairness in the context of machine learning systems, coming to the realisation that you can’t define ‘fair’ solely from the perspective of an algorithm and the data it is trained on. POTS: Protective optimization technologies , Kulynych, Overdorf et al.,

Technology 100

Technology Technology Traffic Government 100

Dynatrace

JUNE 7, 2019

Audit logs are stored at the cluster nodes where system changes are executed. An agent field is provided for enabling/disabling OneAgent traffic on individual nodes. There are many legal concerns that must be adhered to, and audit logs serve as an official record that can be provided when an auditor asks for proof of compliance.

Hardware 103

Hardware Traffic Servers Monitoring 103

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. For Mac OS, we can use Network Link Conditioner , for Windows Windows Traffic Shaper , for Linux netem , and for FreeBSD dummynet.

Performance 104

Performance Cache Network Metrics 104

J. Paul Reed

MAY 21, 2019

Resilience Engineering requires we look at our technology, our teams, and ourselves Today, I’m happy to announce: REdeploy is REturning for 2019 ! Now for the Important Details: REdeploy will be held October 16 and 17, 2019 , at Bespoke (the same beautiful venue as last year!) And thus was born REdeploy. Matty Stratton? , mailing list.

Traffic 56

Traffic Engineering Technology Technology 56

The Morning Paper

JUNE 30, 2019

Today we’re jumping from HotOS topics of 2019, to hot topics of 1977! Here’s the set-up as relayed to me by Pat (with permission): At work, I am part of a good sized team working on a large system implementation. One of the very senior engineers with 25+ years experience mentioned a problem with the system.

Traffic 75

Traffic Latency Programming Scalability 75

All Things Distributed

DECEMBER 12, 2018

For VR, this is a journey that is already one-third complete and expected to be finished by the end of 2019. We help Supercell to quickly develop, deploy, and scale their games to cope with varying numbers of gamers accessing the system throughout the course of the day. Telenor Connexion. Telenor Connexion is all-in on AWS.

AWS 124

AWS Cloud Games Serverless 124

The Agile Manager

MARCH 31, 2021

The disruption is not simply the result of a ship running aground and blocking traffic in a busy, narrow passageway. First, the Ever Given was involved in an incident in 2019 in which it was caught in high winds while operating at slow speed and collided with a pleasure ferry in the Elbe River in Hamburg, Germany.

Transportation 52

Transportation Retail Traffic Efficiency 52

Dynatrace

APRIL 30, 2019

At Neotys PAC 2019 in Chamonix, France, I presented approaches on how to solve this problem by looking at examples from companies such as Intuit, Dynatrace, Google, Netflix, T-Systems and others. Neotys and T-Systems MMS are amongst the first companies to build extensions. It takes your artifacts (e.g:

Architecture 125

Architecture Open Source Azure Metrics 125

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. 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. Microbenchmark os::javaTimeMillis() on both systems. include <sys/time.h>

Speed 126

Speed Java AWS Virtualization 126

Alex Russell

JUNE 22, 2022

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]. Mobile accounts for two-thirds of web traffic (or thereabouts ), making outsized iOS adoption among wealthy users particularly salient to publishers and advertisers.

Engineering 110

Engineering Traffic Government Google 110

Scalegrid

MAY 2, 2019

It is also recommended that SSL connections be enabled to encrypt the client-database traffic. With MongoDB deployments, failovers aren’t considered major events as they were with traditional database management systems. 1305:12 @(shell):1:1 2019-04-18T19:44:42.261+0530 I NETWORK [thread1] trying reconnect to SG-example-1.servers.mongodirector.com:27017

Testing 55

Testing Network Database Servers 55

Percona

JULY 7, 2023

Also, in general terms, a high availability PostgreSQL solution must cover four key areas: Infrastructure: This is the physical or virtual hardware database systems rely on to run. StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. Failover is essential to minimizing downtime.

Availability 82

Availability Open Source Architecture Database 82

CSS - Tricks

NOVEMBER 1, 2019

The FCP distribution for the 10th, 50th and 90th percentile values as reported on August 1, 2019. TTI distribution for the 10th, 50th and 90th percentile values as reported on August 1, 2019. TTFB mobile speed distribution (CrUX, July 2019). FCP mobile speed distribution (CrUX, July 2019). First Contentful Paint.

Speed 46

Speed Mobile Metrics Scalability 46

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 Ecommerce Traffic 74

The Morning Paper

JULY 4, 2019

Are you ready to take your system assurance programme to the next level? In all cases we need to be able to carefully monitor the impact on the system, and back out if things start going badly wrong. Netflix’s system is deployed on the public cloud as complex set of interacting microservices.

Latency 77

Latency Engineering Metrics Traffic 77

Enprowess

JANUARY 12, 2022

According to Ericsson’s analysis, international mobile data traffic is projected to become 4.5 IoT tracking systems. Blockchain technology is an encrypted database storage system. In the last decade, Cryptocurrency usage has increased because of the acceptance of Bitcoin by effective payment systems. Smart cities.

Blockchain 59

Blockchain IoT Development Serverless 59

Alex Russell

MARCH 6, 2021

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. So what did $150USD fetch in 2019? The smooth, dulcet tones of 2019's Moto E6. " package.

Performance 124

Performance Network Cache Metrics 124

The Netflix TechBlog

OCTOBER 18, 2019

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. These signals include member activity data (login, search, playback), intent-to-treat (what title/assets the system wants to impress to the member) and the treatment (impressions of images, trailers) that actually made it to the member’s device.

Infrastructure 126

Infrastructure Metrics Architecture Efficiency 126

The Netflix TechBlog

OCTOBER 18, 2019

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. These signals include member activity data (login, search, playback), intent-to-treat (what title/assets the system wants to impress to the member) and the treatment (impressions of images, trailers) that actually made it to the member’s device.

Infrastructure 100

Infrastructure Metrics Architecture Efficiency 100

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. 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. Microbenchmark os::javaTimeMillis() on both systems.

Speed 52

Speed Java AWS Virtualization 52

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. Device cloud testing is the best way to scale up the number of devices & operating systems on which tests are performed.

Website 98

Website Mobile Testing Strategy 98

The Morning Paper

APRIL 11, 2019

UPDATE 2019-04-14: An author update has been published for this paper which details that with current browser versions, ServiceWorkers can only stay alive for about a minute after the user navigates away from the site. modify their code, monitor their outgoing traffic etc.). NDSS’19.

Website 44

Website Network Traffic Cache 44

Apica

MAY 10, 2019

2019 will go down as the year when giants collided over who is streaming the right content to win the growing market demand and dollars. Disney announced they would have a streaming service, while Netflix subscribers reached an all-time high with 137.1 million Netflix users as of Q3 2018.

Testing 40

Testing Performance Social Media Wireless 40

Testsigma

DECEMBER 8, 2019

DevOps has been around for about a decade now and has become a crucial automation process that enables organizations to deploy changes to a system in production quickly and efficiently. DevTestOps aims to ensure that the changes in the system will be deployed on production not only without delays but also without any compromise on quality.

IoT 78

IoT Software Software Artificial Intelligence 78