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All right, you have made it to section 10.

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This is the last real section before the wrap-up.

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In this section, we're going to talk about "Optimizing

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"and Troubleshooting Data Storage and Processing."

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So just for reference, you are right here.

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Yeah, that's right.

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You're at the very end.

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So make sure that you keep focused, and let's jump through

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and finish out this section.

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So in this section, we're going to talk about handling.

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So how do we handle data skew?

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How do we handle data spill?

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We're going to talk about tuning.

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So how do we shuffle partitions?

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And how do we do queries using indexers?

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And queries using cache?

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And then we'll talk about optimizing.

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So resource management, pipelines, and I'll tell you,

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this is a pretty big section.

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So there's actually quite a bit more

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in little, small topics that we'll mix

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into these 3 main points for optimization.

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Some key points to remember as you jump into this section.

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1: Focus, this is the last section before the end.

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Don't get distracted. Push through and finish strong.

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Don't forget about the big picture.

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So when we talk about all these little individual topics,

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make sure that you're keeping the service in mind,

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and make sure that you're keeping the big picture.

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And that ties into: don't forget scenarios and labs.

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Right? So as we think about the big picture of how all

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of this optimization and security plays in together,

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you want to think about that in terms of scenarios as well.

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So how could you use that in your work?

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Or how could you use that if you were standing up

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a big data environment, right?

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And don't forget about labs.

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Labs help you on the exam. Make sure

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that you're doing the labs.

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And make sure that you're not just doing the labs once,

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but you're doing the labs enough

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that you can do those on your own.

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With that, hey, let's jump in to section 10.

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See you there.