The Netflix TechBlog

JUNE 13, 2023

We can determine A/B test membership in either device application or backend code and selectively invoke new code paths and services. One can perform this comparison live on the request path or offline based on the latency requirements of the particular use case.

Traffic 279

Traffic Metrics Systems Strategy 279

Smashing Magazine

MAY 16, 2022

Rethinking Server-Timing As A Critical Monitoring Tool. Rethinking Server-Timing As A Critical Monitoring Tool. In the world of HTTP Headers, there is one header that I believe deserves more air-time and that is the Server-Timing header. Setting Server-Timing. Sean Roberts. 2022-05-16T10:00:00+00:00.

Servers 93

Servers Monitoring Cache Network 93

SQL Performance

FEBRUARY 17, 2022

Since SQL Server 2005, the trick of using FOR XML PATH to denormalize strings and combine them into a single (usually comma-separated) list has been very popular. On more than one occasion, I had to double-check the code was even mine. In the SQL Server 2005 days, I would have offered this solution: SELECT DISTINCT UserID , Bands =. (

Servers 82

Servers Code Efficiency Performance 82

Percona

FEBRUARY 6, 2024

To be honest, the comparison between the two MySQL distributions is not something that excited me a lot. Mainly because from my MySQL memories, I knew that there is not a real difference between the two distributions when talking about the code base.To

Code 95

Code Benchmarking Servers Development 95

Enprowess

SEPTEMBER 20, 2021

This JS library uses elements – isolated items of code that may be used to create a lot of complicated logic and UIs. Its giant community develops a vast ecosystem of packages, third-party libraries, tools, and extensions with all the major IDEs’ and Code Editors’ support. React vs Vue: Popularity & Support. . Flux and Redux).

Open Source 52

Open Source Mobile Scalability Google 52

Dynatrace

DECEMBER 27, 2022

In this example, “Reverse proxy” and “Front-end server” are clearly in the critical path. To learn more about how to use SLOs to automate DevOps processes, join us for the on-demand performance clinic, Automating SLOs as code–from Ops to Dev with Dynatrace. Service flow shows you which services an application calls on.

Software 269

Software Software Benchmarking Latency 269

Sutter's Mill

MARCH 11, 2024

Many of the most damaging recent security breaches happened to code written in MSLs (e.g., We can and do write “good” code and secure applications in C++. And getting that last 2% would be too costly , because it would require giving up on link compatibility and seamless interoperability (or “interop”) with today’s C++ code.

C++ 139

C++ Programming Code Java 139

SQL Server According to Bob

MAY 19, 2019

SQL Server will ship Azure SQL Database Edge: [link]. With the announcement I can tell you more about one of the things we have been working on; SQL Server running on IoT Edge and Developer machines in under 500MB of memory. The effort focuses attention on memory usage and disk space requirements of SQL Server. Description.

IoT 61

IoT Servers Development Cache 61

SQL Performance

AUGUST 2, 2019

I have been making the same recommendations about tempdb since I started working with SQL Server over 15 years ago, when I was working with customers running version 2000. From the customer side, this has been the limit of what can be done*, until SQL Server 2019. I have SQL Server 2019 CTP 3.2 Now that 2019 CTP 3.2

Servers 95

Servers C++ Testing Systems 95

Smashing Magazine

SEPTEMBER 29, 2021

Tip: When evaluating quality, compression and fine-tuning of modern formats, Squoosh.app ’s ability to perform a visual side-by-side comparison is helpful. The goal was to develop a new open-source video coding format that is both state-of-the-art and royalty-free. See the Pen [Image format comparison 2]([link] by Addy Osmani.

Open Source 144

Open Source Speed Website Google 144

Percona

APRIL 28, 2023

Let’s start with a simple introductory comparison: With proprietary (closed source) database software, the public does not have access to the source code; only the company that owns it and those given access can modify it. People assume that because the code is public, attackers can have at it and easily wreak havoc.

Open Source 110

Open Source Database Software Software 110

CSS Wizardry

OCTOBER 16, 2023

Concatenating our files on the server: Are we going to send many smaller files, or are we going to send one monolithic file? In our specific examples above, the one-big-file pattern incurred 201ms of latency, whereas the many-files approach accumulated 4,362ms by comparison. Compile: the parsed code is compiled into optimised bytecode.

Cache 291

Cache Latency Strategy Speed 291

Official Blog - World Web Technology

NOVEMBER 24, 2023

An assemblage of numerous JavaScript code libraries makes the JavaScript framework. They are pre-written codes that allow you to build robust, interactive websites and apps, especially when you hire dedicated developers. It makes it easier to debug code and understand it. for server-side development. They can use Node.js

Development 52

Development Virtualization Open Source Architecture 52

Percona

JUNE 4, 2023

In this blog, we’ll provide a comparison between MariaDB vs. MySQL (including Percona Server for MySQL ). Introduction: MariaDB vs. MySQL The goal of this blog post is to evaluate, at a higher level, MariaDB vs. MySQL vs. Percona Server for MySQL side-by-side to better inform the decision making process.

Open Source 52

Open Source Servers Storage Scalability 52

Dynatrace

APRIL 21, 2022

In comparison, the Dynatrace platform reliably takes that burden off human operators by utilizing its causation-based AI engine, Davis. Using high-fidelity metrics, logs, code-level tracing, and a dynamic topology map of your applications, Davis can identify the precise root cause and prioritize its business impact. Reliability.

Azure 193

Azure Monitoring Virtualization Metrics 193

SQL Performance

AUGUST 27, 2019

On August 7, 2019, AMD finally unveiled their new 7nm EPYC 7002 Series of server processors, formerly code-named "Rome" at the AMD EPYC Horizon Event in San Francisco. This is the second generation EPYC server processor that uses the same Zen 2 architecture as the AMD Ryzen 3000 Series desktop processors.

Servers 52

Servers Benchmarking Virtualization Architecture 52

SQL Performance

MARCH 9, 2022

Auctions ( Code , ID ) INCLUDE ( Quantity ) ; -- Enable batch-mode Window Aggregate. Auctions ( ID ) WHERE ID = - 1 AND ID = - 2 ; When describing the logic behind the solutions, I’ll assume the Auctions table is populated with the following small set of sample data: ID Code Quantity -- -. Code = 'D'. )

C++ 138

C++ Code Efficiency Performance 138

Particular Software

SEPTEMBER 20, 2021

It’s less of an apples-to-oranges comparison and more like apples-to-orange-sherbet. Why RPC is “faster” It’s tempting to simply write a micro-benchmark test where we issue 1000 requests to a server over HTTP and then repeat the same test with asynchronous messages. Let’s take a look at the bigger picture. ?? And this makes sense!

Benchmarking 97

Benchmarking Latency Servers Systems 97

SQL Performance

DECEMBER 11, 2019

Like them or not, as a database practitioner you often have to deal with them, and given that NULLs do add complexity to your SQL code writing, it's a good idea to make it a priority to understand them well. I start with coverage of what NULLs are and how they behave in comparisons. Comparisons involving NULLs.

Best Practices 117

Best Practices C++ Database Code 117

The Netflix TechBlog

APRIL 17, 2019

Reference software serves as the basis for standard development, a framework, in which the performance of video coding tools is evaluated. SVT-AV1 uses parallelization at several stages of the encoding process, which allows it to adapt to the number of available cores including newest servers with significant core count.

Open Source 166

Open Source Scalability Speed Efficiency 166

SQL Performance

FEBRUARY 12, 2020

In Part 1 I covered the meaning of the NULL marker and how it behaves in comparisons. In Part 1 in the series I explained how NULLs behave in comparisons and the complexities around the three-valued predicate logic that SQL and T-SQL employ. Often in practice you want NULLs to behave just like non-NULL values for comparison purposes.

C++ 120

C++ Code Servers Database 120

SQL Performance

MAY 20, 2022

The most important things to understand about server-side parameterization are it doesn’t happen all at once and a final decision to parameterize isn’t made until the end of the process. Imagine someone handing you a query written for an unknown SQL Server database and asking you to identify parameterizable constants.

Cache 55

Cache Database Servers Testing 55

Dynatrace

OCTOBER 5, 2020

The same default behavior is also true for Dynatrace when installing the OneAgent on your servers that host your ASP.NET services. Additional context without code change through request attributes. As I said, the ability to analyze individual PurePaths down to code level is a great capability.

Performance 152

Performance Best Practices Architecture Monitoring 152

Smashing Magazine

JULY 19, 2021

Between an endless amount of code to make sure you’re providing full coverage and dealing with the fragile nature of front-end tests — where a simple selector change can completely break an end-to-end workflow — it can sometimes feel like an uphill battle. They’re all testing the code. add-to-cart').click();

Testing 142

Testing Code Design Strategy 142

Dynatrace

JULY 23, 2019

Whenever OneAgent can’t instrument your application automatically, as is currently the case with Python, you can use the OneAgent SDK to manually instrument your code. All the sample code including instrumentation is available on GitHub. Note that this sample code is considered educational and not supported by Dynatrace.

Monitoring 136

Monitoring Software Software Database 136

Brendan Gregg

NOVEMBER 4, 2020

PID COMM FD ERR PATH 27974 opensnoop 28 0 /etc/localtime 1482 redis-server 7 0 /proc/1482/stat 1657 atlas-system-ag 3 0 /proc/stat […]. Mbytes to the kernel image (this is tiny in comparison to DWARF debuginfo, which can be hundreds of Mbytes). The BCC project has a collection of these, called libbpf tools. linux-vdso.so.1

C++ 145

C++ Programming Storage Code 145

Scalegrid

JULY 13, 2020

The $47,500 licensing costs for Oracle Enterprise Edition is only for one CPU core, that ultimately has to be multiplied with the actual number of cores on the physical server. Oracle requires more complex ongoing administration, as all database configurations must evolve in conjunction with the data schemas and custom code.

Open Source 244

Open Source Tuning C++ Database 244

SQL Performance

APRIL 14, 2021

Use the following code to test the function with the variable assignment technique: DECLARE @n AS BIGINT ; SELECT @n = n FROM dbo. Here’s the code that creates the table and populates it using an INSERT statement with 102,400 rows to get it to be compressed: DROP TABLE IF EXISTS dbo. NullBits102400 ; GO. CREATE TABLE dbo. low - 2 + N.

C++ 112

C++ Servers Testing Code 112

CSS - Tricks

DECEMBER 23, 2020

Wouldn‘t it be great if we could integrate Lighthouse testing in the continuous integration process so that the impact of our code changes can be displayed inline with each pull request, and so that we can fail the builds if certain performance thresholds are not net? Once the test finishes, the server will automatically shut dow.

Performance 78

Performance Storage Servers Virtualization 78

Speed Curve

DECEMBER 21, 2022

With your RUM Compare dashboard , you can easily generate side-by-side comparisons for any two cohorts of real user data. Triage a performance regression related to the latest change or deployment to your site by looking at a before/after comparison. Synthetic Site. Synthetic Page. RUM Compare dashboard.

Benchmarking 52

Benchmarking Retail Traffic Metrics 52

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. Edge servers are the middle ground – more compute power than a mobile device, but with latency of just a few ms. As such, web workers are a natural target to offload to a more powerful server.

Mobile 104

Mobile Cloud Latency Games 104

Dynatrace

APRIL 2, 2020

It evolved from the simplest web server plugins to runtime Java profilers to real-time performance monitoring of all transactions flowing end to end through application servers. Every real-user transaction traced down to the code level. .” The AppMon wave. Meanwhile, application performance management became mainstream.

Network 166

Network Traffic Monitoring Java 166

SQL Performance

NOVEMBER 11, 2020

How many iterations did the code report? As for Batch 2, the code has two references to the dt column from the same CTE instance, meaning that both represent the same function evaluation and should represent the same value. Run it for any amount of time that you like, but eventually you will need to stop the code execution.

C++ 122

C++ Code Storage Processing 122

HammerDB

OCTOBER 23, 2023

Also, note in passing that we include a COMMIT statement in this procedure because one is included in the example code in TPC-C specification. Stored Procedures and Client SQL comparison To test the stored procedures and client implementations, we ran both workloads against a system equipped with Intel Xeon 8280L.

Benchmarking 62

Benchmarking Database Network C++ 62

The Netflix TechBlog

MARCH 13, 2020

SVT-AV1 codebase status The SVT-AV1 repository includes both an AV1 encoder and decoder, which share a significant amount of the code. SVT-AV1 uses parallelization at several stages of the encoding process, which allows it to adapt to the number of available cores, including the newest servers with significant core count.

Open Source 154

Open Source Efficiency C++ Speed 154

Dynatrace

SEPTEMBER 3, 2020

In comparison, the AIOps approach discussed within this article, is built upon a radically different deterministic AI engine – at Dynatrace known as Davis – that yields precise, actionable results in real-time. These approaches are slow and inaccurate limiting its practical applications. This is now the starting node in our tree.

Software 264

Software Software Artificial Intelligence Metrics 264

Smashing Magazine

NOVEMBER 26, 2021

However, there are a few ways in which you can make a large code-base easy to maintain. In certain cases, the build will fail if there are type mismatches in your code as Next.js We recommend using code editor type checking during development.”. Use Code Generators Like Hygen To Generate Boilerplate Code.

Cache 143

Cache Code Testing Design 143