You are viewing content from a past/completed QCon Plus - November 2020

Session

Pragmatic Performance - Tales from the Trenches

In industry, one if often required to retrofit existing systems to extract more performance out of them. These performance optimization efforts are also performed under deadlines that make the "best'' solution, however attractive, often infeasible. In this talk, we would like to share techniques that have served us well at Target.  

While the scale of data that systems have to contend can be overwhelming, one can use that same scale to one's advantage. By observing statistical patterns in the data, we are able to alter the course of the computation to a more performant path. These course corrections can be done in real time or in an off-line manner. In this talk, we will present two examples that have made their way into production.


Speaker

Ramesh Subramonian

Principal Engineer @TargetNews

Ramesh Subramonian is a Principal Engineer at Target in the High-Performance Computing Group. He likes to build high-performance systems with a focus on efficient usage of computing resources. He earned a PhD in Computer Science from UC Davis after an undergraduate degree in computer science from...

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Date

Wednesday Nov 18 / 01:40PM EST (40 minutes)

Track

Mechanical Sympathy: The Software/Hardware Divide

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Session

Improving Video Encoding System Efficiency @Netflix

Wednesday Nov 18 / 12:00PM EST

Every show on Netflix is encoded for the device type and bit rate that is optimal for the customers. For any one show that can be tens of different encodes, generated by a large-scale system that scales up to hundreds of thousands of CPU cores concurrently. As the performance team at Netflix, we...

Susie Xia

Senior Performance Engineer @Netflix

Session

It’s Not Your Machine; It’s Your Code.

Wednesday Nov 18 / 12:50PM EST

Can we use information in tweets to decide how and when to trade stocks? Yes. But can we do this efficiently at scale, and on a tight budget? Well, this talk will discuss what such a task entails. We will look at some of the performance issues encountered in a simulated high frequency trading...

Adekunle Adepoju

Senior Software Engineer @Netflix

PANEL DISCUSSION

Mechanical Sympathy Panel

Wednesday Nov 18 / 02:30PM EST

In this panel, we’ll continue the conversation about mechanical sympathy by bringing our speakers back to discuss where they see future trends and new ideas they have yet to try. We will touch on new tools that can provide even better insights into what is happening in our systems. We will...

Susie Xia

Senior Performance Engineer @Netflix

Adekunle Adepoju

Senior Software Engineer @Netflix

Ramesh Subramonian

Principal Engineer @TargetNews

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