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Performance [clear filter]
Monday, November 21
 

3:25pm EET

[SLIDES]Dan Shappir @DanShappir - Make it faster!
The Wix platform hosts over 80 million websites, with billions of visitors per day, all built using the Wix Editor. In this talk I will cover how we measure performance, and the techniques and methodologies we use to improve it. I'll examine the tools and frameworks that we use, and discuss what worked for us and what didn't.

Speakers
avatar for Dan Shappir

Dan Shappir

PERFORMANCE SPECIALIST at WIX.COM, Wix.com
Dan Shappir is a Performance Specialist at Wix.com, focusing on making +80 million sites hosted on the Wix platform load and execute faster. Dan is a twenty year software development veteran, having worked on systems ranging from missile trajectory simulations to networked multi-user... Read More →



Monday November 21, 2016 3:25pm - 4:15pm EET
3. Citius

4:30pm EET

[SLIDES]Sasha Goldshtein @goldshtn - Modern Linux Tracing Landscape
The Linux kernel has multiple "tracers" built-in, with various degrees of support for aggregation, dynamic probes, parameter processing, filtering, histograms, and other features. Starting from the venerable ftrace, introduced in kernel 2.6, all the way through eBPF, which is still under development, there are many options to choose from when you need to statically instrument your software with probes, or diagnose issues in the field using the system's dynamic probes. Modern tools include SystemTap, SysDig, ktap, perf, bcc, and others. In this talk, we will begin by reviewing the modern tracing landscape -- ftrace, perf_events, kprobes, uprobes, eBPF -- and what insight into system activity these tools can offer. Then, we will look at specific examples of using tracing tools for diagnostics: tracing a memory leak using low-overhead kmalloc/kfree instrumentation, diagnosing a CPU caching issue using perf stat, probing network and block I/O latency distributions under load, or merely snooping user activities by capturing terminal input and output.

Speakers
avatar for Sasha Goldshtein

Sasha Goldshtein

MICROSOFT C# MVP & AZURE MRS, Sela Group
Sasha Goldshtein is the CTO of Sela Group, a Microsoft C# MVP and Azure MRS, a Pluralsight author, and an international consultant and trainer. Sasha is the author of "Introducing Windows 7 for Developers" (Microsoft Press, 2009) and "Pro .NET Performance" (Apress, 2012), a prolific... Read More →



Monday November 21, 2016 4:30pm - 5:20pm EET
1. Champions Hall
 
Tuesday, November 22
 

2:10pm EET

Quentin Adam @waxzce - Containers, VMs, Processes… Isolation, performances, I/O… How all of these technologies work and compare to each other? Deep dive and learn about your Operating System.
Everybody is now using virtualization, containers are all the rage today, and microkernels start to gain traction… But how is all this working? How did these solutions come to be? What are the differences between containers and virtual machines? Where and why should you use docker, runc, rocket, kvm, xen, virtualbox, includeOS, rancherOS? This talk is a full session providing understanding on how these technologies work, how they compare to each other, and lot’s of demo to understand differences and fundamental concept on isolation. So, let’s look under the hood, and understand how your system works (hint: it’s not magic). And yes, it will be understandable even if you are not an OPS or an expert. That’s precisely the point.

Speakers

Tuesday November 22, 2016 2:10pm - 3:00pm EET
2. Altius