Everything You Wanted To Know about Storage But Were Too Proud To Ask: Buffering

Presented by

John Kim & Rob Davis, Mellanox, Mark Rogov, Dell EMC, Dave Minturn, Intel

About this talk

Buffers, Queues, and Caches, oh my! Buffers and Queues are part of every data center architecture, and a critical part of performance – both in improving it as well as hindering it. A well-implemented buffer can mean the difference between a finely run system and a confusing nightmare of troubleshooting. Knowing how buffers and queues work in storage can help make your storage system shine. However, there is something of a mystique surrounding these different data center components, as many people don’t realize just how they’re used and why. In this pod of the “Too Proud To Ask” series, we’re going to be demystifying this very important aspect of data center storage. You’ll learn: •What are buffers, caches, and queues, and why you should care about the differences? •What’s the difference between a read cache and a write cache? •What does “queue depth” mean? •What’s a buffer, a ring buffer, and host memory buffer, and why does it matter? •What happens when things go wrong? These are just some of the topics we’ll be covering, and while it won’t be exhaustive look at buffers, caches and queues, you can be sure that you’ll get insight into this very important, and yet often overlooked, part of storage design. After you watch the webcast, check out the Q&A blog http://sniaesfblog.org/?p=615

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