Compute Engine Managed Instance Group

Description:

• Location
  • Can select multiple zones in a region (regional) for more availability
  • Target distribution shape:
  • Instance redistribution

1. Instance groups:

• As same as creating an instance
• GCP Instance Template

1. Managed instance group (stateless):
   • Autoscaling:
     • Autoscaling mode
     • Autoscaling signals:
       • Thresholds
     • Autoscaling schedules??
     • Initialization period:
       • Specify how long the VM starts before it ready to serve and do health check
   • VM instance lifecycle:
     • Action on failure:
     • Autohealing:
       • GCP Health Check
     • Updates during VM instance repair:
   • Port mapping:
     • decide whether you want to autoscale and under what circumstances and signal
2. s

• Stateless vs stateful vs
  • You can use managed instance groups for stateless serving or batch workloads.
  • such as website front end or image processing from a queue, or for stateful applications such as databases or legacy applications.

2. GCP Health Check