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So let's go ahead
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and practice placement groups.
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To this, on the left hand side,
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I'm going to scroll down
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and find under network and security,
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the placement groups option.
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And I will go ahead and create a placement group.
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So the first one is going to be my-high-performance-group.
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And as you can guess, the placement strategy
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for this one is going to be cluster,
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because we want instances
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to be very close to each other
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so that they have maximum network capability.
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The second thing is going to be my-critical-group.
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And for this one,
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the placement strategy is going to be spread,
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because we want instances
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to be distributed as much as possible.
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And you can set the spread level to rack,
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which is a default,
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or host, which is outpost only,
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but we don't use outpost.
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So for now we'll just use rack,
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which is what we should know about.
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Okay. So this critical group has been done
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And finally, we have my-distributed-group.
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And this one, as you can guess,
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is going to be for the partition type.
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And here we have the choice
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between one, two, seven partitions.
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For example, I can set four, and create this group.
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So the three groups have been created.
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And now, to just launch an instance in a group,
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you click on launch instances.
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And now, when you scroll down, at the very bottom,
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under the advanced details, you can have a setting
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for right here, the placement group name,
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and you can select between my-critical-group,
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my-distributor-group,
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or my-high-performance-group
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based on your placement group strategy.
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So that's it. It's a very short lecture,
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but now you know where the options are.
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I hope you liked it.
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And I will see you in the next lecture.
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