Please enable JavaScript.
Coggle requires JavaScript to display documents.
GCP_1_3_Instance_groups_and_LB - Coggle Diagram
GCP_1_3_Instance_groups_and_LB
Instance Group
Unmanaged
don't offer autoscaling, auto healing and other services
different instances incide. Not recomeneden until we need different instances
Might be Zonal or Regional
Managed Instance Group (MIG):
Features
Auto healing (health check) - detect application failure, if instance crashes - create another one
managed releases - ability to roll out with zero down time
provide rolling update - update one by one
provide canary deployment - test X instances and then update all
AutoScaling - increase and decrease based on load
Maintain certain instances
We can LB to distribute load
can create instances in diff zones and regions
same mashine family and types
Created by Instance Template
Definition: group of VM instances managed as single entity
LB