Tags: performance

6 Best Practices for High-Performance Serverless Engineering

When you write your first few lambdas, performance is the last thing on your mind. Permissions, security, identity and access management (IAM) roles and triggers all conspire to make the first couple of lambdas, even after a “hello world” trial just to get your first serverless deployments up and...
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5 Things You Should Be Monitoring

Whether you're a developer building websites or internal applications, or an administrator building the infrastructure to back them, your job doesn't stop once they're up and running. Machine failure, releases containing bugs, and growth in usage can all lead to problems that need to be dealt with...
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GLB: GitHub's Open Source Load Balancer

At GitHub, we serve tens of thousands of requests every second out of our network edge, operating on GitHub’s metal cloud. We’ve previously introduced GLB, our scalable load balancing solution for bare metal datacenters, which powers the majority of GitHub’s public web and git traffic, as well as...
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Load Testing Round Up: 8 Tools You Can Use to Strengthen your Stack

Although often used interchangeably, performance testing and load testing are not exactly the same. Performance testing is the more general practice of testing an application’s responsiveness and stability under real-life scenarios. Load testing is a specific subset of performance testing that is...
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Pushing AI Performance Benchmarks to the Edge

As I discussed recently, the AI industry is developing benchmarking suites that will help practitioners determine the target environment in which their machine learning, deep learning or other statistical models might perform best. Increasingly, these frameworks are turning their focus to...
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CPU Utilization Is Wrong

Everyone uses %CPU to measure performance, but everyone is wrong, says Netflix's Brendan Gregg in his UpSCALE Lightning Talk. CPU utilization is the metric everyone uses to measure a processor's performance. But %CPU is a misleading measure of how busy your processor really is, says Brendan Gregg,...
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DNS Resolvers Performance Compared: CloudFlare x Google x Quad9 x OpenDNS

A couple of months ago I did a performance comparison between some of the top free DNS Resolvers available. It was just after Quad9 had launched and I was trying to decide which one to use and recommend to families and friends. Google, OpenDNS, Quad9, .. some many options… I love options … And...
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Linux Mint 19 'Tara' Cinnamon Will Be Faster

Is Linux Mint slow? Hell, no! The operating system is plenty fast. Speed is in the eye of the beholder, however, and the Mint developers apparently thought app-launching seemed slow when using the Cinnamon desktop environment. They didn't have any proof, but they felt that both Mate and Xfce were...
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EdgeX Foundry Continues Momentum with ‘California Code’ Preview

Only 3 months away from our first release, the EdgeX community has made available what we are calling the “California Preview.”  This preview is a collection of five key microservices written in Go that are drop in replacements for our Java microservices.  The work on the California release (not...
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GPUs on Google’s Kubernetes Engine Are Now Available in Open Beta

The Google Kubernetes Engine (previously known as the Google Container Engine and GKE) now allows all developers to attach Nvidia GPUs to their containers. GPUs on GKE (an acronym Google used to be quite fond of, but seems to be deemphasizing now) have been available in closed alpha for more than...
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