The Netflix TechBlog

JUNE 20, 2019

By Abi Seshadri and Rachel Rivera You can also check out highlights from our past events: November 2018 , March 2018 , August 2017 , January 2017 , May 2016 , November 2015 , March 2015 , February 2014 & August 2014. Thanks to all the teams who put together a great round of hacks in 24 hours. Netflix Studio Hack Day?

Energy 38

Energy Java AWS Google 38

Dynatrace

FEBRUARY 17, 2021

A major contributor to this increased level of security are the SDLC controls that we’ve implemented since our dedicated product team of certified security professionals was established in May 2017. For software this complex, the report is clearly an indication of an excellent result.

Testing 264

Testing Mobile Code Monitoring 264

SQL Performance

OCTOBER 14, 2020

. ( SELECT orderyear , COUNT ( DISTINCT custid ) AS numcusts FROM C1 GROUP BY orderyear ) SELECT orderyear , numcusts FROM C2 WHERE numcusts > 70 ; This query generates the following output: orderyear numcusts -- -- 2015 992 2017 20000 2018 20000 2019 20000 2016 20000. Figure 7: Execution plan for Query 7. numorders - O2.

C++ 140

C++ Servers Code Efficiency 140

The Netflix TechBlog

DECEMBER 23, 2020

Road to Implementation We began work to enable user namespaces in early 2017. In 2017, we worked with our partner, Kinvolk , to have patches added to the Linux kernel that allowed users to safely use FUSE from non-init user namespaces. Notice how no privilege escalation mechanism was used to perform any of these actions.

Media 297

Media Metrics Systems Processing 297

DZone

SEPTEMBER 18, 2019

That means software testing spending is up 13% from 2017. There are many types of software testing that you can use to improve your products. How Much of a Company's Budget Is Spent on Quality Assurance and Testing? A whopping 39% globally this year.

Software 149

Software Software Testing Benchmarking 149

The Netflix TechBlog

DECEMBER 14, 2020

The mystery begins Towards the end of 2017, I was on a conference call to discuss an issue with the Netflix application on a new set top box. The role of a Partner Engineer at Netflix is to help device manufacturers launch the Netflix application on their devices. aka “Lollipop”.

Engineering 358

Engineering Code Open Source Hardware 358

Brendan Gregg

SEPTEMBER 5, 2017

Many people have contacted me recently about switching from Solaris (or illumos) to Linux, especially since most of the Solaris kernel team were let go this year (including my former colleagues, I'm sorry to hear). This includes many great engineers who I'm sure will excel in whatever they choose to work on next.

Virtualization 75

Virtualization AWS Engineering Hardware 75

Dynatrace

FEBRUARY 6, 2020

We first brought our DevOps story to life at Perform 2017 when our CTO & Founder Bernd Greifeneder, DevOps Lead Anita Engleder and I went on stage. DevOps Transformation at Dynatrace enacted live on stage at Perform 2017!

Cloud 185

Cloud DevOps Engineering Speed 185

Brendan Gregg

APRIL 14, 2022

PMC analysis (2017). Netflix has been the best job of my career so far, and I'll miss my colleagues and the culture. offer letter logo (2014). flame graphs (2014). eBPF tools (2014-2019). my pandemic-abandoned desk (2020); office wall. I joined Netflix in 2014, a company at the forefront of cloud computing with an attractive [work culture].

Java 142

Java Cloud Cache AWS 142

Brendan Gregg

DECEMBER 31, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. WARNING: These tunables were developed in late 2017, for Ubuntu Xenial instances on EC2.** I shouldn't let this go to my head, as there were 42,000 attendees at re:Invent looking for something to see!)

Tuning 53

Tuning AWS Best Practices Network 53

All Things Distributed

NOVEMBER 5, 2015

The AWS UK region will be our third in the European Union (EU), and we're shooting to have it ready by the end of 2016 (or early 2017). Today, I am excited to add the United Kingdom to that list! This region will provide even lower latency and strong data sovereignty to local users.

AWS 167

AWS Retail Entertainment IoT 167

Brendan Gregg

JULY 4, 2021

BBR: Congestion-Based Congestion Control,” [link] 2016 - [Gregg 16] Brendan Gregg, “Unikernel Profiling: Flame Graphs from dom0,” [link] Jan 2016 - [Gregg 16b] Brendan Gregg, “Linux 4.X Titus, the Netflix container management platform, is now open source,” [link] Apr 2018 - [Cutress 19] Dr.

Performance 121

Performance Latency Hardware Storage 121

Brendan Gregg

DECEMBER 30, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. WARNING: These tunables were developed in late 2017, for Ubuntu Xenial instances on EC2.** I shouldn't let this go to my head, as there were 42,000 attendees at re:Invent looking for something to see!)

Tuning 52

Tuning AWS Best Practices Network 52

O'Reilly

FEBRUARY 18, 2020

Up until 2017, the ML+AI topic had been amongst the fastest growing topics on the platform. After several years of steady climbing—and after outstripping Java in 2017—Python-related interactions now comprise almost 10% of all usage. Not necessarily: Java-related searches increased by 5% between 2017 and 2018. Coincidence?

Software Architecture 136

Software Architecture DevOps Data Engineering Architecture 136

CSS Wizardry

NOVEMBER 23, 2018

This short post feels like a summary of several other things I’ve been trying to teach for the past several years, so I would encourage you to also read: The Fallacies of Distributed Computing (Applied to Front-End Performance) (November 2017). Airplanes and Ashtrays (October 2017). 5Mb up, 1Mb down, 28ms RTT. ↩

Strategy 127

Strategy Testing Tools Design Testing 127

SQL Performance

SEPTEMBER 12, 2019

As an example with our task, suppose that you don't realize that the grouping element is determined implicitly, and you come up with the following query: SELECT shipperid , [ 2017 ] , [ 2018 ] , [ 2019 ] FROM Sales. So you're expecting to see only three rows in the result. 830 rows affected).

Best Practices 103

Best Practices C++ Code Design 103

Uber Engineering

JULY 7, 2021

Introduction.

Engineering 127

Engineering Architecture 127

Alex Podelko

OCTOBER 3, 2017

This year it would be held on November 6-9, 2017 in New Orleans, LA. A lot of events are scheduled: Performance and Capacity Hackathon (which is $10 / free for the conference attendees), Performance Testing Workshop, CMG Training / Badge Program, and the CMG imPACt 2017 conference itself.

IoT 113

IoT Performance Programming Performance Testing 113

SQL Server According to Bob

OCTOBER 26, 2017

Please check out these new resources for SQL Server 2017 and SQL Server on Linux and Docker: Brk2045 upgrade sql server 2017 (on prem, iaa-s and paas) from Bob Ward. To find out what’s different and new about SQL Server 2017, go to this documentation page: What’s new in SQL Server 2017. SQL Server on Docker.

Servers 40

Servers Azure Open Source Database 40

O'Reilly Software

SEPTEMBER 4, 2017

Martin had data comparing gcc to llvm from Q4 2015, but I wanted to see what the data looked like now in Q3 2017 and wanted to share my findings; simply rerunning the numbers. The graphs and analysis had interesting takeaways like showing the obvious split in blink and webkit, and relative number of contributors of the projects.

Development 52

Development Engineering 52

SQL Performance

AUGUST 14, 2019

2017-07-04 10248 440.00 2017-07-05 10249 1863.40 2017-07-08 10250 1552.60 2017-07-08 10251 654.06 2017-07-09 10252 3597.90 Observe the difference in the results for the rows where the same order date appears more than once, as is the case for July 8 th , 2017. 2017-07-05 10249 1863.40 2017-07-05 1863.40

Best Practices 108

Best Practices Servers Database Azure 108

The Netflix TechBlog

DECEMBER 10, 2019

By Adam Wang , Andy Swan , Raja Senapati , Shilpa Jois , Anjali Chablani , Deepa Krishnan , Vidya Sundaram , and Casey Wilms You can also check out highlights from our past events: May 2019 , November 2018 , March 2018 , August 2017 , January 2017 , May 2016 , November 2015 , March 2015 , February 2014 & August 2014.

Innovation 130

Innovation Mobile Technology Technology 130

The Netflix TechBlog

DECEMBER 10, 2019

By Adam Wang , Andy Swan , Raja Senapati , Shilpa Jois , Anjali Chablani , Deepa Krishnan , Vidya Sundaram , and Casey Wilms You can also check out highlights from our past events: May 2019 , November 2018 , March 2018 , August 2017 , January 2017 , May 2016 , November 2015 , March 2015 , February 2014 & August 2014.

Innovation 130

Innovation Mobile Technology Technology 130

High Scalability

MAY 10, 2019

1% : performers raked in 60% of all concert-ticket revenue world-wide in 2017—more than double their share in 1982. Number Stuff: 36% : of the world touches a Facebook app every month, 2 years over a life time. 84.4 : average yearly Facebook ad revenue per user in North America.

Internet 31

Internet Internet Scalability Energy 31

High Scalability

MAY 3, 2019

326 billion : USA farm expenses in 2017. Number Stuff: $1 trillion : Microsoft is the most valuable company in the world (for now). 20% : global enterprises will have deployed serverless computing technologies by 2020. 390 million : paid Apple subscriptions, revenue from the services business climbed from $9.9 billion to $11.5

Internet 30

Internet Internet Scalability Serverless 30

SQL Server According to Bob

SEPTEMBER 25, 2017

Scott Guthrie and Rohan Kumar officially made the announcement today at Ignite that SQL Server 2017 will be generally available on October 2nd, 2017. Andrew Brust also wrote a very nice article detailing out all the great new features that come with SQL Server 2017. Check out ScottGu’s blog post at: [link].

Servers 40

Servers Availability Tuning Database 40

Brendan Gregg

APRIL 27, 2023

BPF for security monitoring was first explored by myself and a Netflix security engineer, Alex Maestretti, in a [2017 BSides talk] (some slides below). 2017 BSides talk]: [link] [overhead evaluation]: [link] [tetragon]: [link] someone with solid pen-testing experience).

Open Source 138

Open Source Monitoring Engineering Design 138

Dynatrace

JUNE 6, 2019

contributed the containerd container runtime to the Cloud Native Computing Foundation (CNCF) in 2017. Dynatrace news. Docker, Inc. In 2019, Containerd became the 5th project to reach CNCF’s highest maturity level, graduation.

Monitoring 166

Monitoring Tuning Metrics Analytics 166

SQL Server According to Bob

SEPTEMBER 27, 2017

Please check out a new blog post I created detailing how SQL Server 2017 is Fast, Built-In. Look for more details on my blog post and the SQL Server Blog about some of these concepts and new features for performance for SQL Server 2017. How we keep you fast and tuned with Adaptive Query Processing and Automatic Tuning. Microsoft.

Servers 40

Servers Tuning Database Cloud 40

Abstracta

OCTOBER 24, 2017

The post How to Optimize Website Speed for Black Friday 2017 appeared first on Abstracta Software Testing Services. Halloween is almost here and before you know it, it will be Black Friday and then, Cyber Monday. These consumer “holidays” bring about the race for shoppers to buy all of the coveted items on.

Speed 45

Speed Website Traffic Software 45

The Polyglot Developer

DECEMBER 31, 2017

The post My Activity Report For 2017 appeared first on The Polyglot Developer. Below you’ll find my statistics that may help you if you’re planning on creating a blog or developing a course. It will give you an idea of costs and what to expect.

Development 40

Development 40

SQL Server According to Bob

MARCH 18, 2018

The changes made in SQL Server 2017 CU4 improve resource usage on smaller machines, such as a VM or Container used for testing and development. The change I made in SQL Server 2017 CU4 was to consider RAM as another factor in the default calculation. For SQL Server 2017 CU4 the small environment threshold is 2GB.

Servers 40

Servers Best Practices Software Engineering Operating System 40

Dynatrace

MARCH 2, 2023

Focusing on the fundamentals Grabner recalled a 2017 tweet from Hightower that outlined how his technology career gathered steam once he started to “focus on the fundamentals.” Following are five concepts Hightower shared with Grabner to talk about the challenges that come with ever-advancing technologies and infrastructures.

Best Practices 227

Best Practices Internet Internet Cloud 227

The Netflix TechBlog

OCTOBER 27, 2023

10/16/2017 [ 8374.555629] Call Trace: [ 8374.556147] <TASK> [ 8374.556601] dump_stack_lvl+0x45/0x5b [ 8374.557361] panic+0x103/0x2db [ 8374.558166] ? __cond_resched+0x15/0x20 [ 8374.559019] ?

Hardware 239

Hardware Cloud Servers Code 239

The Symphonia

DECEMBER 19, 2017

Hello everyone, and welcome to the last Serverless Insights of 2017! Symphonia’s Serverless Insights — December 2017 was originally published in The Symphonium on Medium, where people are continuing the conversation by highlighting and responding to this story. This is the latest edition of our newsletter.

Serverless 40

Serverless Lambda AWS DevOps 40

High Scalability

DECEMBER 7, 2018

ivanveram : World R&D leading companies 2017 in US$. Because the state can be anywhere along the continuum between 0 and 1, it is considered an analog value, as opposed to a digital value, which is either a 0 or a 1, nothing in between. 1: Amazon; No.2: 2: Alphabet (Google); No.3: 3: Samsung. :) That´s the way it is!!! :).

Internet 163

Internet Internet Scalability Blockchain 163

Brendan Gregg

NOVEMBER 28, 2017

Xen AWS 2017 In 2015, AWS launched c4, which used hardware virtualization for EBS volumes. This finally came to storage-optimized instance types in 2017 with the [i3 instance type], which used SR-IOV and the nvme storage driver. With a solution in hand for network performance, the next target was storage. ## 6. 0% performance overhead.

Virtualization 40

Virtualization AWS Hardware Storage 40