Sat.Dec 07, 2019 - Fri.Dec 13, 2019

Sampling RUM: When and why it's a good idea

Speed Curve

I confess, I’m not a statistician. While I pride myself on the 'A' I received in my college statistics class, admittedly it was on a pretty steep curve.

Google planning a new ‘Badge of Shame’ for slow websites

MachMetrics

Google has announced plans for a new badging system that would let users know whether a website typically loads slowly.

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The power of relationships in data

All Things Distributed

Have you ever received a call from your bank because they suspected fraudulent activity? Most banks can automatically identify when spending patterns or locations have deviated from the norm and then act immediately. Many times, this happens before victims even noticed that something was off.

Real-Time Digital Twins Simplify Code in Streaming Applications

ScaleOut Software

Designing applications that extract real-time insights from streaming telemetry can be a daunting challenge. Event streams typically combine messages from many data sources, as shown below. It’s a complex challenge to select and analyze messages that surface patterns of interest.

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Using BigQuery Without Breaking the Bank

Tim Kadlec

The closer you look at something, the more interesting it gets. That’s probably why I love it when I’m able to pore through large amounts of data related to a topic that interests me.

Which Programming Language Is Most Popular for UI Test Automation in 2019?

DZone

Which language do you use for test automation? There is always a lot of uncertainty around which programming language to use when starting a new test automation project. Should you go with the same language that the development team is using?

Netflix Hack Day?—?November 2019

The Netflix TechBlog

Netflix Hack Day?—?Fall Fall 2019 By Tom Richards , Carenina Garcia Motion , and Leslie Posada Hack Day at Netflix is an opportunity to build and show off a feature, tool, or quirky app.

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Re-Slaving a Crashed MySQL Master Server in Semisynchronous Replication Setup

Scalegrid

In a MySQL 5.7 master-slave setup that uses the default semisynchronous replication setting for rpl_semi_sync_master_wait_point , a crash of the master and failover to the slave is considered to be lossless. However, when the crashed master comes back, you may find that it has transactions that are not present in the current master (which was previously a slave).

High-Performance Persistence With MicroStream (Part Three)

DZone

Learn how to keep your apps performing! For some time, there has been a new competitor in the field of persistence and serialization. We are talking about Project MicroStream. What is it exactly?

NULL complexities – Part 1

SQL Performance

NULL handling is one of the trickier aspects of data modeling and data manipulation with SQL. Let's start with the fact that an attempt to explain exactly what a NULL is is not trivial in and of itself.

Easier SAML federation setup with improved workflow

Dynatrace

Dynatrace news. Dynatrace enables authentication through your organization’s identity provider (IdP). If you want to use your organization’s corporate credentials for authentication in Dynatrace, you can set up SAML to delegate authentication to your IdP.

Netflix Hack Day?—?November 2019

The Netflix TechBlog

Netflix Hack Day?—?Fall Fall 2019 By Tom Richards , Carenina Garcia Motion , and Leslie Posada Hack Day at Netflix is an opportunity to build and show off a feature, tool, or quirky app.

Why Your Team Needs to Start Unit Testing Right Now

DZone

Unit testing is actually a lot like working out. You have a well- established, stable development team. They are veterans and quite experienced. You feel there’s nothing they can’t solve or achieve, even if it takes some time, they’ll manage, whether if it’s a bug or a feature.

12 Latest Software Test Automation Trends To Look For In 2020

Testsigma

Advancements in technology improve the lives of people and save time and money for organizations year after year and there is no reason that the next year, 2020 will be any different.

IoT 75

Find the user session data you need and better understand customer experience with new USQL functions

Dynatrace

Dynatrace news. To enhance your customers’ digital experiences, you need to see your application through their eyes. Every single click your end users make while using your application provides valuable insights into how well your application is performing and meeting your customers’ needs.

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Netflix Hack Day?—?November 2019

The Netflix TechBlog

Netflix Hack Day?—?Fall Fall 2019 By Tom Richards , Carenina Garcia Motion , and Leslie Posada Hack Day at Netflix is an opportunity to build and show off a feature, tool, or quirky app.

The First Drop: Introducing AdoptOpenJDK Quality Assurance (AQA)

DZone

performance qa quality assurance openjdk testing and qa adoptopenjdk

A persistent problem: managing pointers in NVM

The Morning Paper

A persistent problem: managing pointers in NVM Bittman et al., PLOS’19. At the start of November I was privileged to attend HPTS (the High Performance Transaction Systems) conference in Asilomar. If you ever get the chance to go, I highly recommend it.

Dynatrace Managed release notes version 1.182

Dynatrace

Dynatrace news. New features and enhancements. Easily measure and manage user experience with more flexible Apdex calculations. Next generation Dynatrace Davis AI becomes the default causation engine. Build apps your customers love and grow your business with Dynatrace mobile monitoring. Latest management zone update improves collaboration for Synthetic Monitoring. Save build time and make life easier with the new Android auto-instrumentation.

Why you should test according to your product's maturity

TechBeacon Testing

When it comes to QA, I am often asked, "What should my testing strategy be?" The answer, unfortunately, isn't clear-cut because it depends on your product's level of maturity. App Dev & Testing, Testing, Application Testing

Process Files on the Basis of TimeStamp Attached to File Name in Mule 4

DZone

Find out more about Mule 4! Sometimes when you work for a bigger client you will get a problem that is different than regular issues you get. I will talk about such a scenario in this article. Earlier we were directly polling on one location and getting data in the form of the files.

How do committees invent?

The Morning Paper

How do committees invent? Conway, Datamation magazine 1968. With thanks to Chris Frost for recommending this paper – another great example of a case where we all know the law (Conway’s law in this case), but many of us have not actually read the original ideas behind it. We’re back in 1968, a time when it was taken for granted that before building a system, it was necessary to design it.

OneAgent release notes version 1.181

Dynatrace

Dynatrace news.Net. Added support for MongoDB.NET Driver 2.8 – 2.9. Added support for Microsoft Azure Service Bus Client for.NET 3.2.0 – 4.0.0.Net Core. Added support for MongoDB.NET Driver 2.8 – 2.9. Added support for Microsoft Azure Service Bus Client for.NET 2.0.0 – 4.0.0. Added support for MongoDB PHP for Linux 1.3+. Operating systems. Current support changes. Current OneAgent support changes.

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An overview of the SQL Server Profiler

SQL Shack

In this article, we will describe SQL Server Profiler and how it can be used. In addition, we will mention the tools that are integrated with it- plans about its deprecation, and what are the alternatives?

An Overview of JavaScript Testing in 2019

DZone

Find out more about JavaScript testing! The web has evolved a lot in the last few years, and we have observed this evolution with our eyes. From having limited programming languages to getting access to a hub of languages for testing, the web has come a long way.

A tale of two abstractions: the case for object space

The Morning Paper

A tale of two abstractions: the case for object space , Bittman et al., HotStorage 2019.

2019 Black Friday Performance Analysis – Forever 21

Rigor

During Black Friday weekend 2019, fast-fashion retailer Forever 21’s website had an outage that left users seeing a generic error message when they tried to shop the company’s doorbuster deals. As the site recovered from the outage, its performance took a hit, requiring extra time to recover.

Real-Time Digital Twins Simplify Code in Streaming Applications

William Bain

Designing applications that extract real-time insights from streaming telemetry can be a daunting challenge. Event streams typically combine messages from many data sources, as shown below. It’s a complex challenge to select and analyze messages that surface patterns of interest.

Code 52

Productionizing Distributed XGBoost to Train Deep Tree Models with Large Data Sets at Uber

Uber Engineering

SQL Server 2019 Many No Longer Capture Mini-Dump (SQLDump####.mdmp)

SQL Server According to Bob

I was looking at a SQL Server which had generated ten(10) SQLDump####.txt txt files but only a single(1) SQLDump####.mdmp mdmp file. We introduced a new feature in SQL Server 2019 to save disk space for mini/crash dumps which can skip the suspension and capture for identical dump signatures, saving disk space and reducing the impact on the SQL Server instance. Each time the SQL Server instance is started a hash table is created to track crash dump signatures.

2019 Black Friday Performance Analysis – GameStop

Rigor

GameStop recognized that it needed to avoid outages by protecting website resources from an overload in traffic on Black Friday.

Real-Time Digital Twins Simplify Code in Streaming Applications

ScaleOut Software

Designing applications that extract real-time insights from streaming telemetry can be a daunting challenge. Event streams typically combine messages from many data sources, as shown below. It’s a complex challenge to select and analyze messages that surface patterns of interest.

Code 52

A Day in the Life of a … Value Stream Architect

Tasktop

We’re hopping back over the pond today to meet Tina Dankwart, one of our Value Stream Architects! She discusses the importance of building relationships at work, how she annoys her kids with Metallica and how she would describe Tasktop in one sentence. How do you start your day before work?

Games 40

VividCortex Is Joining SolarWinds!

Baron Schwartz

I’m excited to share the following news, cross-posted from the VividCortex blog. VividCortex is Joining SolarWinds! By Amena Ali and Baron Schwartz. We’re excited to share that VividCortex is now part of the SolarWinds family.

2019 Black Friday Performance Analysis – Forever 21

Rigor

During Black Friday weekend 2019, fast-fashion retailer Forever 21’s website had an outage that left users seeing a generic error message when they tried to shop the company’s doorbuster deals. As the site recovered from the outage, its performance took a hit, requiring extra time to recover.

Fallacy #5: Topology doesn't change

Particular Software

It's easy for something that started out simply to become much more complicated as time wears on. I once had a client who started out with a very noncomplex server infrastructure.

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High Scalability

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