You
have configured an Auto Scaling group in AWS to automatically scale the number
of instances behind a load balancer based on the instances CPU utilization. The
instances are configured using a Launch Configuration. You have observed that
the Auto Scaling group doesn't successfully scale when you apply
changes that require replacing the Launch Configuration. Why is this happening?

Question

You
have configured an Auto Scaling group in AWS to automatically scale the number
of instances behind a load balancer based on the instances CPU utilization. The
instances are configured using a Launch Configuration. You have observed that
the Auto Scaling group doesn't successfully scale when   you apply
changes that require replacing the Launch Configuration. Why is this happening?

Accepted Answer

You need to configure the Launch Configuration's create_before_destroy meta-parameter.

Answer

You need to configure an explicit dependency for the Launch Configuration using the depends_on meta-parameter.

Answer

You need to configure an explicit dependency for the Auto Scaling group using the depends_on meta-parameter.

Answer

You need to configure the Auto Scaling group's create_before_destroy meta-parameter.

Crowdly

You have configured an Auto Scaling group in AWS to automatically scale the num...

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