You have an application that is running in a managed instance group. Your development team has released an updated instance template which contains a new feature which was not heavily tested. You want

Question

Options

• AManually patch some of the instances, and then perform a rolling restart on the instance group.
• BUsing the new instance template, perform a rolling update across all instances in the instance
• CDeploy a new instance group and canary the updated template in that group.
• DPerform a canary update by starting a rolling update and specifying a target size for your

• A
  6% (2)
• B
  3% (1)
• C
  13% (4)
• D
  77% (24)

Explanation

A canary update is an update that is applied to a subset of instances in the group. With a canary update, you can test new features or upgrades on a random subset of instances, instead of rolling out a potentially disruptive update to all your instances. If an update is not going well, you only need to roll back the subset of instances, minimizing the disruption for your users. https://cloud.google.com/compute/docs/instance-groups/rolling-out-updates-to-managed-

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