Sat.Jul 22, 2017 - Fri.Jul 28, 2017

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July in Performance: SQL, Java Memory, and Python Performance

DZone

We take a look at the best articles on Performance on DZone from June, some interesting pieces from others sites, and great performance gigs and publications featured on DZone. An Encore for DZone's Top Performance Performers: SQL Performance Tuning: Top 5 Ways to Find Slow Queries - A look at the five best ways developers can go about finding slow SQL queries in their code, such as SQL DMVs and Query Reporting via APM solutions.

Java 100
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The Road to uChat: Building Uber’s Internal Chat Solution

Uber Engineering

Two years ago, Uber’s previous chat application began showing signs that it would not be able to adapt to our growth. There were app crashes, performance hiccups, and outages that crippled our company’s ability to effectively communicate online. With user … The post The Road to uChat: Building Uber’s Internal Chat Solution appeared first on Uber Engineering Blog.

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Minivans and marathons

Particular Software

I read the script and performed my lines well. College, good jobs with increasing responsibility in corporate America, marriage and kids. When suburbia beckoned, it wasn't too hard to swap my briefcase for the diaper bag. At least for some period of time, home was a lot more interesting than my work experience had been. Children have a charming way, though, of exposing the insecurities we don't even know we have.

Games 58
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Tutorial: How to Use Gatling With Maven

Abstracta

Another key integration for enabling CI/CD In this post, we will see how to use Gatling with Maven, creating an integration via plugins. In the world of CI/CD, attaining this kind of integration has become essential. In particular, I’ll show you how to integrate Gatling, use. The post Tutorial: How to Use Gatling With Maven appeared first on Abstracta Software Testing Services.

Testing 53
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Do You Need To Hire The Best Developers?

Professor Beekums

Lots of people talk about wanting to hire the best developers. The reasoning is sound. A good developer is often said to be 10x-100x better than a mediocre developer. In many cases that’s true. I want to go into the cases where this hiring policy doesn’t make sense though. The first problem with this policy uses some basic math. Only 10% of people can be in the top 10%.

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Engineering Uber Predictions in Real Time with ELK

Uber Engineering

Uber’s services rely on the accuracy of our event prediction a n d f o r e c a s t i n g t o o l s. From estimating rider demand on a given date to predicting … The post Engineering Uber Predictions in Real Time with ELK appeared first on Uber Engineering Blog.

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WaI vs. WaP: NYC Subway Edition

J. Paul Reed

Julian Dunn tweeted out this Vox longread on the New York City subways, and the myriad reasons the MTA can’t seem to make the system run on time. As an infrastructure nerd, I found it fascinating. But as a student of human factors, this bit also stood out to me: Four years later, signal failure caused one train to rear-end another on the Williamsburg Bridge , the fourth such collision in two years.

Speed 40