The Netflix TechBlog

FEBRUARY 3, 2021

Another key feature is support for lightweight query tests. These tests allow you to execute queries without the need to work with the HTTP endpoint. The tests look and feel like plain JUnit tests. Fitting into the GraphQL Server Ecosystem So how exactly does the DGS framework fit into the existing GraphQL ecosystem?

Open Source 246

Open Source Java Architecture Metrics 246

Testsigma

APRIL 23, 2021

Simform (as of 2019) stated that an average user has at least 40 apps installed on their phones while millennials have around 67 apps. So, there’s a solid reason why mobile app testing is a crucial step in any app development process. To ensure our users get a seamless experience across any device — we perform mobile app testing. .

Testing Tools 86

Testing Tools Mobile Testing Open Source 86

The Netflix TechBlog

MARCH 21, 2019

A researcher found an application that ran on an older Windows server that was deployed in a non-standard way making it difficult for our automated visibility services to detect it. We love it when researchers reach out to coordinate testing on an issue. Given the potential impact, we asked the researcher to stop further testing.

Entertainment 166

Entertainment Programming Internet Internet 166

Scalegrid

MAY 2, 2019

We often undertake testing of failover characteristics of various MongoDB drivers to qualify them for production use cases, or when our customers ask us for advice. Testing Failover Behavior. You can test the resilience of your applications by inducing failovers while your workload runs. servers.mongodirector.com:27017 (X.X.X.X)

Testing 55

Testing Network Database Servers 55

SQL Performance

MARCH 17, 2020

This follow-up post revisits the question for SQL Server 2019, using a larger number of rows. Test Environment. It has 32GB RAM, with 24GB available to the SQL Server 2019 instance. Each test result represents the best of ten runs, with all required data and index pages in memory. Row Store Clustered Index.

Servers 86

Servers Tuning Database Efficiency 86

SQL Server According to Bob

JULY 31, 2018

Update Oct 2018 – SQL Server 2019 CTP 2.0. SQL Server 2019 changes the DELTE On CLOSE behavior used on Linux installations. I even tested the following scenario. Bob Dorr – Principal Software Engineer SQL Server. Linux VM mounted location on a Windows UNC path open and unlink. Restart the VM.

Servers 40

Servers Software Engineering Systems Monitoring 40

The Netflix TechBlog

APRIL 17, 2019

Intel and Netflix announced their collaboration on a software video encoder implementation called SVT-AV1 on April 8, 2019. 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. What is SVT-AV1?

Open Source 166

Open Source Scalability Speed Efficiency 166

Percona

MARCH 7, 2019

The server is a small instance: Models | 6xIntel(R) Xeon(R) CPU E5-2430 0 @ 2.20GHz 10GB RAM This symptom can be caused by various different reasons. There could be more, but this particular query was definitely hurting the performance of the server. 2019-02-22T18:26:25 Creating triggers. 2019-02-22T18:27:14 Created triggers OK.

C++ 100

C++ Traffic Servers Monitoring 100

Dynatrace

JANUARY 20, 2020

Having released this functionality in a Preview Release back in October 2019, we’re now happy to announce the General Availability of our SAP ABAP real user monitoring. Was it the server, the network, or the database that caused the degraded response time? You can test-drive both extensions today! Dynatrace news.

Monitoring 153

Monitoring Performance Infrastructure Network 153

SQL Performance

MARCH 29, 2022

When SQL Server applies simple parameterization to an ad-hoc statement, it makes a guess about the data type of the replacement parameter. For the time being, let’s look at some examples using the Stack Overflow 2010 database on SQL Server 2019 CU 14. The bigint type isn’t used for server-side parameterization.

Cache 90

Cache Servers Database Testing 90

SQL Performance

APRIL 13, 2022

To test the performance of your solution, you’ll need to populate the table with larger volumes of sample data. numgroups AS INT = 1000 , @rowspergroup AS INT = 10000 , -- test with 1000 to 10000 here. My test machine has four logical CPUs, running SQL Server ® 2019 Enterprise. T1 ; INSERT INTO dbo.

C++ 136

C++ Strategy Testing Servers 136

Smashing Magazine

FEBRUARY 12, 2019

Webhosting Compared: Testing The Uptime Of 32 Hosts In 2018. Webhosting Compared: Testing The Uptime Of 32 Hosts In 2018. 2019-02-12T12:00:22+01:00. 2019-04-29T18:34:58+00:00. To run this series of tests, we have signed up for all of the 32 web hosting providers as a regular user, using the cheapest plan available.

Testing 49

Testing Website Servers Availability 49

SQL Performance

DECEMBER 9, 2020

In a comment to my article, Marcos Kirchner mentioned that he tested my solution with varying table value constructor cardinalities, and got different execution times for the different cardinalities. Testing different base table cardinalities is just one dimension to try. Let’s proceed to performance testing.

C++ 114

C++ Servers Testing Processing 114

Percona

AUGUST 17, 2023

StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. Then those tools have to be configured and tested to work together. PostgreSQL hasn’t just been a concern to its competitors; it’s swooped past most of them. It all helps ensure the cluster’s peak performance.

Open Source 78

Open Source Healthcare Social Media Database 78

Percona Community

JANUARY 17, 2020

In my [last blog post]([link] community-blog/2019/08/01/how-to-build-a-percona-server-stack-on-a-raspberry-pi-3/) I showed you how to get the entire Percona “Stack" up and running on a Raspberry Pi. Disk performance is a key factor in Percona Server for MySQL (or any RDB platform) performance on a Raspberry Pi 4.

Servers 40

Servers Testing Performance 40

Scalegrid

SEPTEMBER 16, 2019

You can remotely access and navigate another database server. The dashboard lets you monitor server activities such as database locks, connected sessions, and prepared transaction. Since pgAdmin is a web application, you can deploy it on any server and access it remotely. 2019 Comparison Click To Tweet.

Open Source 262

Open Source Database Azure Cloud 262

SQL Performance

JUNE 14, 2019

Use the following query (requires SQL Server 2017 or above) to identify nondistinct freight values for the same customer: WITH C AS. ( As an example, suppose that you were given a task to match customers and orders that they placed since February 12, 2019, but also include in the output customers who did not place orders since then.

Best Practices 93

Best Practices C++ Database Processing 93

KeyCDN

JANUARY 31, 2019

With Bucharest being the capital and largest city of Romania, it makes for a great edge server location. However, now with the Bucharest edge server in production, it helps further close the gap between visitors who live in Romania and the nearest KeyCDN POP they have access to.

Internet 48

Internet Internet Ecommerce Speed 48

Smashing Magazine

MAY 25, 2021

A number of sites moved to font-display: swap when this first came out, and Google Fonts even made it the default in 2019. However, beyond that it didn’t really solve the problem. It’s also trickier to handle cached fonts we already have, not to mention differences in various fallback styles.

Operating System 143

Operating System Google Website Cache 143

Percona

DECEMBER 20, 2018

We look forward to providing you with even better articles, news and information in 2019. As 2018 moves into 2019, let’s take a quick look back at some of the most popular posts on the blog this year. AMD EPYC Performance Testing… or Don’t get on the wrong side of SystemD. Top 10 Most Read. A Look at MyRocks Performance.

Database 40

Database Tuning Performance AWS 40

SQL Performance

JANUARY 12, 2022

You can enable its consideration without the requirements of batch mode on rowstore , e.g., using SQL Server 2019 Enterprise or later, by creating the following dummy columnstore index: CREATE NONCLUSTERED COLUMNSTORE INDEX idx_cs ON dbo. Curiously, SQL Server chose to use row-mode operators to handle this part.

Code 116

Code Servers Performance Azure 116

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 Coverage is assessed with a walk-test (4-5km/h) over all road segments on the campus, monitoring the physical-layer information from both 5G and 4G at each location. km university campus. Let’s jump in!

Energy 130

Energy Latency Performance Network 130

SQL Performance

DECEMBER 9, 2020

In a comment to my article, Marcos Kirchner mentioned that he tested my solution with varying table value constructor cardinalities, and got different execution times for the different cardinalities. Testing different base table cardinalities is just one dimension to try. Let’s proceed to performance testing.

C++ 61

C++ Servers Testing Processing 61

SQL Performance

AUGUST 27, 2021

When you enable one of the two forms of versioning, SQL Server uses a mechanism called versioning to preserve pre-change versions of a record in the version store in tempdb. When snapshot isolation wasn’t enabled, on my Windows 10 laptop running SQL Server 2019, I was getting about 80,000 updates per second across the ten connections.

Database 56

Database Storage Availability Servers 56

The Morning Paper

JUNE 2, 2019

Developing machine learning models is no different from developing traditional software, in the sense that it is also a full life cycle involving design, implementation, tuning, testing, and deployment. So test sets used for CI have a ‘shelf-life’, after which they need to be refreshed. ci will raise an alarm (e.g.

C++ 60

C++ Strategy Testing Tuning 60

MachMetrics

DECEMBER 20, 2018

It’s now almost 2019, and there are no more excuses. Now let’s upload our lazy-loading updates and try again: (Note that you’ll have to do hard-reload, clear cache, or use a new private browser to ensure we’re not taking advantage of the browser cache in our testing). Your server, and your users will thank you.

Cache 75

Cache Speed Internet Internet 75

SQL Performance

MAY 11, 2022

I ran all the examples on SQL Server ® 2019 Developer, where batch-mode on rowstore is available. SQL Server doesn't currently support an efficient combination of a parallel order-preserving input prior to a parallel batch-mode Window Aggregate operator. Environment for Demos. I’ll remind you at the end.

C++ 133

C++ Database Servers Code 133

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. The Back Story.

Servers 90

Servers Media Cache Storage 90

KeyCDN

MARCH 14, 2019

Here is a roundup of front end web development trends to keep an eye on in 2019. Frontend Frameworks If you’re not using a frontend framework like React, Vue.js, or Angular to help build your projects, then 2019 is a good year to start. It can be used to decouple your frontend from your backend and improve server efficiency.

Development 101

Development Blockchain Serverless Social Media 101

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. The third stand-out issue was “no server maintenance.” 1 reported benefit.

Serverless 88

Serverless Architecture FinTech Infrastructure 88

Smashing Magazine

FEBRUARY 15, 2021

For brevity, we’ll test only the Pumpkin patch video. You can test the different videos with StreamOrNot , a little open source project that I’ve released a while back. Now, some of these numbers are slightly scare as they are slightly large. Now, isn’t it a little bit too much overhead?

Network 143

Network Speed Website Mobile 143

KeyCDN

SEPTEMBER 12, 2019

Most of you have probably seen the following Google PageSpeed Insights optimization suggestion at one point or another when running a speed test: By compressing and adjusting the size of … you can save 14.2 Well, according to HTTP Archive , as of June 1, 2019 the average desktop page is 1,896.8

Social Media 106

Social Media Media Google Website 106

Dynatrace

JUNE 9, 2021

A web application is any application that runs on a web server and is accessed by a user through a web browser. Application security tests can be used to tell developers when they have introduced vulnerabilities into the application they’re building. What is web application security? Why is web application security important?

Open Source 182

Open Source Entertainment Tuning Internet 182

SQL Performance

OCTOBER 14, 2020

I explained that when SQL Server optimizes a query involving derived tables, it applies transformation rules to the initial tree of logical operators produced by the parser, possibly shifting things around across what were originally table expression boundaries. Substitution/unnesting. Figure 4: Execution plan for Query 4.

C++ 140

C++ Servers Code Efficiency 140

TechBeacon Testing

SEPTEMBER 11, 2019

It is a method you can use to define a configuration model that represents a piece of your server environment. Usually when people think of code, they envision programs executed by computers to do X, Y, or Z. Infrastructure as code (IaC) is different.

Programming 45

Programming Infrastructure Servers Code 45

Testsigma

NOVEMBER 16, 2021

We shall also see how decisions are made in an enterprise and why cross-browser testing is the most important thing in 2021 to sustain a healthy business. In the summer of 2019, British Airways faced a technical issue on its website. Throughout this post, we shall see how enterprises behave and what makes them an “ enterprise ”.

Testing 52

Testing Website Small Business Internet 52

Smashing Magazine

JULY 16, 2019

2019-07-16T14:30:59+02:00. 2019-07-16T14:35:52+00:00. A few caveats before we begin: Data scraping involves increasing the server load for the site that you’re scraping, which means a higher cost for the companies hosting the site and a lower quality experience for other users of that site. started (bot: oscars).

Scalability 87

Scalability Website C++ Servers 87