The Netflix TechBlog

DECEMBER 23, 2020

For example, the PID namespace makes it so that a process can only see PIDs in its own namespace, and therefore cannot send kill signals to random processes on the host. There are also more common capabilities that are granted to users like CAP_NET_RAW, which allows a process the ability to open raw sockets. User Namespaces.

Media 297

Media Metrics Systems Processing 297

The Netflix TechBlog

SEPTEMBER 8, 2020

On the Android team, while most of our time is spent working on the app, we are also responsible for maintaining this backend that our app communicates with, and its orchestration code. Image taken from a previously published blog post As you can see, our code was just a part (#2 in the diagram) of this monolithic service.

Latency 243

Latency Cache Java Traffic 243

Dynatrace

JUNE 1, 2023

More than half of CIOs confirmed that they often make tradeoffs among code quality, security, and reliability to meet the need for rapid software delivery. Response time Response time refers to the total time it takes for a system to process a request or complete an operation. or above for the checkout process.

Latency 189

Latency Website Traffic Virtualization 189

Dynatrace

DECEMBER 10, 2020

During the recent pandemic, organizations that lack processes and systems to scale and adapt to remote workforces and increased online shopping are feeling the pressure even more. Rethinking the process means digital transformation. What are the key requirements to address these challenges?

Strategy 190

Strategy Performance Logistics Monitoring 190

Dynatrace

JUNE 1, 2023

More than half of CIOs confirmed that they often make tradeoffs among code quality, security, and reliability to meet the need for rapid software delivery. Response time Response time refers to the total time it takes for a system to process a request or complete an operation. or above for the checkout process.

Traffic 173

Traffic Website Latency Virtualization 173

Dynatrace

APRIL 21, 2022

Figure 1 – Individual Host pages show performance metrics, problem history, event history, and related processes for each host. Right-sizing is an iterative process where you adjust the size of your resource to optimize for cost. To do that, organizations must evolve their DevOps and IT Service Management (ITSM) processes.

Azure 201

Azure Monitoring Virtualization Metrics 201

The Netflix TechBlog

DECEMBER 3, 2019

We heard many stories about difficulties related to data access and basic data processing. A key observation was that most of our data scientists had nothing against writing Python code. Data scientists want to retain their freedom to use arbitrary, idiomatic Python code to express their business logic?—?like

Open Source 135

Open Source AWS Infrastructure Energy 135

The Netflix TechBlog

SEPTEMBER 10, 2024

The voice service then constructs a message for the device and places it on the message queue, which is then processed and sent to Pushy to deliver to the device. Where aws ends and the internet begins is an exercise left to the reader. This initial functionality was built out for FireTVs and was expanded from there.

Latency 233

Latency Cache Tuning Efficiency 233

Dynatrace

SEPTEMBER 20, 2019

Here’s what we discussed so far: In Part 1 we explored how DevOps teams can prevent a process crash from taking down services across an organization. In doing so, they automate build processes to speed up delivery, and minimize human involvement to prevent error. Step 1 — The Dynatrace Davis AI-engine identifies the root cause.

Systems 27

Systems Traffic DevOps Database 27

Smashing Magazine

AUGUST 19, 2021

Ethics are an important part of human-computer interaction because they keep people at the heart of the design process. For example, try and recall the last time your team’s processes were audited for compliance against the company’s ethical standards. It all starts with a Code of Ethics. “I Devin Harold. Credit: Devin Harold.

Code 139

Code Design Education Government 139

Strategic Tech

JUNE 21, 2020

Not only the puzzle, but in the centre of the board, we also had a visualisation of the process we were following during the workshop. When we were designing the workshop, I said to Gien that I like the idea of a puzzle, and it would be great to have it large and always visible, but how can we do that when there are a number of exercises?

Design 98

Design Logistics Transportation Architecture 98

Particular Software

SEPTEMBER 11, 2023

Now go rewrite all your code… we’ll wait…are you done yet? Technically, this is all done over MSMQ where requests are processed and eventually granted or rejected, notifying other services of the outcome. It’s as if they’re saying, “Have you documented your system? Have you chosen a cloud provider? What are you looking at me for?

Cloud 126

Cloud Systems Azure Airlines 126

O'Reilly

OCTOBER 19, 2021

While there isn’t an authoritative definition for the term, it shares its ethos with its predecessor, the DevOps movement in software engineering: by adopting well-defined processes, modern tooling, and automated workflows, we can streamline the process of moving from development to robust production deployments. Who did what and when?

DevOps 140

DevOps Software Engineering Infrastructure Open Source 140

Smashing Magazine

OCTOBER 16, 2021

After working on a coding project for a good couple of hours, many developers like myself tend to hit a wall. For the most part, coding can be quite intimidating and disappointing for a beginner or even a well-versed developer. Thinking, Remembering And Processing Information Better. Dave Oscar. 2021-10-16T10:00:00+00:00.

Programming 106

Programming Energy Code Processing 106

O'Reilly

JANUARY 17, 2023

Figuring out what kinds of problems are amenable to automation through code. So it behooves a software developer to spot what portions of human activity can be properly automated away through code, and then build that. Because if companies use code to automate business rules, they use ML/AI to automate decisions.

Tuning 132

Tuning Open Source Software Software 132

The Morning Paper

MARCH 15, 2020

In contrast, a process suffering a total failure can be quickly identified, restarted, or repaired by existing mechanisms, thus limiting the failure impact. 71% of failures are triggered by a specific environment condition, input, or faults in other processes. In 13% of cases a module became a zombie with undefined failure semantics.

Systems 98

Systems Software Software Programming 98

SQL Performance

APRIL 14, 2021

Evaluating earlier solutions, one of the important factors in getting good performance was the ability to employ batch processing. Let’s examine the plans for two of the earlier solutions that utilized batch processing. But have we exploited it to the maximum extent possible? NullBits102400 ; GO.

C++ 112

C++ Servers Testing Code 112

The Netflix TechBlog

MAY 27, 2020

From failure injection testing to regularly exercising our region evacuation abilities, Netflix engineers invest a lot in ensuring the services that comprise Netflix are robust and reliable. This process includes a write-up of what happened, what mitigations took place, and what follow-up work was discussed.

Engineering 106

Engineering Innovation Systems Architecture 106

SQL Performance

JANUARY 12, 2022

Despite the poor performance, working on the solution is an interesting exercise. Use the following code to create the table and populate it with a small set of sample data: DROP TABLE IF EXISTS dbo. ( ID INT NOT NULL IDENTITY ( 1 , 1 ) CONSTRAINT pk_Auctions PRIMARY KEY CLUSTERED , Code CHAR ( 1 ) NOT NULL.

Code 116

Code Servers Performance Azure 116

O'Reilly

OCTOBER 24, 2023

We already see hints of that on GitHub: in February 2023, GitHub said that 46% of all the code checked in was written by Copilot. At some point in the near future, new models will be trained on code that they have written. If we train a new AI on its output, and repeat the process, what is the result? 9 or almost anything else.

Programming 92

Programming Code Processing Artificial Intelligence 92

Percona

OCTOBER 31, 2023

The process of gathering data will take some time, but we plan to periodically share statistics that we collect, like breakdowns of versions of database software being used or popular operating systems and architectures. The upcoming documentation release will explain this process in more detail.

Open Source 96

Open Source Database Operating System Programming 96

Dynatrace

JUNE 1, 2021

However, with today’s highly connected digital world, monitoring use cases expand to the services, processes, hosts, logs, networks, and of course, end-users that access these applications — including a company’s customers and employees. Mobile apps, websites, and business applications are typical use cases for monitoring.

Monitoring 148

Monitoring Mobile Social Media Infrastructure 148

Percona

DECEMBER 29, 2022

The process using pg_upgrade is well documented , and you can easily find the instructions with little googling. In this blog post, I will show you a particular example I faced when working with an upgrade exercise using pg_upgrade. .” ” Let’s review the case. Example case. ii postgresql-11 11.18-1.pgdg20.04+1

C++ 84

C++ Open Source Database Programming 84

Percona

AUGUST 30, 2023

If a PostgreSQL user wants to change these values, they need to recompile the PostgreSQL from the source code. This can be changed later using the pg_checksums utility, but that will be a painful exercise on a big database. Changing these values at compile time is not intended for common use.

Database 109

Database Servers Open Source Tuning 109

Smashing Magazine

AUGUST 5, 2021

When large parts of the interface are disabled , most customers will assume that the system is busy , and some process is happening in the background on the page. And because something is happening, they usually exercise a good amount of patience first.

Design 145

Design Transportation Code Systems 145

SQL Performance

JUNE 10, 2020

This month and the next I’m going to cover the physical processing aspects of derived tables. That is, does SQL Server perform a substitution process whereby it converts the original nested code into one query that goes directly against the base tables? Well, I’m oversimplifying a bit.

C++ 109

C++ Database Servers Code 109

Alex Russell

AUGUST 30, 2021

Anyone who cares to download and fork the code can do so. " The eventual Blink fork was precipitated by an insurmountable difficulty in doing precisely what Apple suggested to Congress: contributing code upstream to WebKit to enable new features. It's worth assessing these claims from most easily falsified to most contested.

Engineering 112

Engineering Open Source Website Operating System 112

O'Reilly

JUNE 15, 2023

Governance is not a “once and done” exercise. In his book Voices in the Code , James G. Robinson (now Director of Policy for OpenAI) points out that every algorithm makes moral choices, and explains why those choices must be hammered out in a participatory and accountable process.

Government 100

Government Best Practices Energy Internet 100

MachMetrics

DECEMBER 12, 2019

In a post detailing the thought process behind the planned feature, the Chrome team explains that “In the future, Chrome may identify sites that typically load fast or slow for users with clear badging ”. Unfortunately, some business owners don’t understand that buying a theme and implementing it isn’t the end of the process.

Google 86

Google Website Best Practices Internet 86

Smashing Magazine

JULY 22, 2021

In my records for the entire day, I put one color code for my work hours and will have a separate diagram specifically to break up my work hours. Exercise/outdoors. In the image above, I have outlined three sample days which may or may not be from my own days. Large preview ). Completing actual work. Creating presentations.

Games 129

Games Availability Software Software 129

O'Reilly

JUNE 13, 2023

After fixing some obvious errors, I ran the program–and while it told me (correctly) that my number was non-prime, when compared to a known good implementation of Miller-Rabin, ChatGPT’s code made many mistakes. It didn’t generate any code, but provided a link to the Wolfram Alpha result page that described how to test for primality.

Google 85

Google Programming Database Testing 85

Particular Software

MARCH 28, 2022

With a saga, a business process that would otherwise have been implemented as a clunky batch job 1 can be built in a much more elegant and real-time manner. You can create a class that is a lousy saga but is still perfectly valid C# code. Others will save you time by doing some of the coding for you. In NServiceBus version 7.7,

Development 52

Development C++ Virtualization Metrics 52

The Agile Manager

JANUARY 31, 2017

They were in consultants in logistics, and they were lamenting how one of their clients was struggling in the wake of a business process change that another firm - a tech consultancy - had agitated for their mutual client to adopt. Early on, business technology was mostly large-scale labor-saving data processing.

Retail 45

Retail Energy Logistics Efficiency 45

Percona

AUGUST 8, 2023

Does your traffic increase come with updated code changes that change the queries? In fact, the most common cause of massive CPU increase that I’ve seen isn’t traffic increase; it’s code changes that introduced inefficient revisions to existing queries or new queries. Do these queries use more caches?

Traffic 93

Traffic Cache Monitoring Database 93

SQL Performance

JUNE 10, 2020

This month and the next I’m going to cover the physical processing aspects of derived tables. That is, does SQL Server perform a substitution process whereby it converts the original nested code into one query that goes directly against the base tables? Well, I’m oversimplifying a bit.

C++ 93

C++ Database Servers Code 93

ScaleOut Software

AUGUST 20, 2020

Simplifying the Development Process with Mock Environments. The key to meeting these challenges is to process incoming telemetry in the context of unique state information maintained for each individual data source. In contrast, real-time digital twins analyze incoming telemetry from each data source and track changes in its state.

Cloud 52

Cloud Development Analytics Azure 52

ScaleOut Software

AUGUST 20, 2020

Simplifying the Development Process with Mock Environments. The key to meeting these challenges is to process incoming telemetry in the context of unique state information maintained for each individual data source. In contrast, real-time digital twins analyze incoming telemetry from each data source and track changes in its state.

Cloud 52

Cloud Development Analytics Azure 52