A user has configured an Auto Scaling group with ELB. The user has enabled detailed CloudWatch monitoring
on Auto Scaling. Which of the below mentioned statements will help the user understand the functionality
better?
A.
It is not possible to setup detailed monitoring for Auto Scaling
B.
In this case, Auto Scaling will send data every minute and will charge the user extra
C.
Detailed monitoring will send data every minute without additional charges
D.
Auto Scaling sends data every minute only and does not charge the user
Explanation:
CloudWatch is used to monitor AWS as well as the custom services. It provides either basic or detailed
monitoring for the supported AWS products. In basic monitoring, a service sends data points to CloudWatch
every five minutes, while in detailed monitoring a service sends data points to CloudWatch every minute. Auto
Scaling includes 7 metrics and 1 dimension, and sends data to CloudWatch every 5 minutes by default. The
user can enable detailed monitoring for Auto Scaling, which sends data to CloudWatch every minute. However,
this will have some extra-costs.
Monitor Amazon EC2
View metrics for CPU utilization, data transfer, and disk usage activity from Amazon EC2 instances (Basic Monitoring) for no additional charge. For an additional charge, CloudWatch provides Detailed Monitoring for EC2 instances with higher resolution and metric aggregation. No additional software needs to be installed.
B.
In this case, Auto Scaling will send data every minute and will charge the user extra
https://aws.amazon.com/cloudwatch/
A – detailed monitoring is enabled by default for Auto Scaling group
B – detailed monitoring for Auto Scaling group with no extra charge
https://aws.amazon.com/cloudwatch/details/#amazon-ec2-monitoring
C – Detailed monitoring may generate extra charge for user, it depends on what is monitored (EC2 extra chage)
D – In this case, Yes, this is the correct answer
I will go for D
AWS charges for Detailed monitoring which sends the data every Min. I will go with B
b
The answer should be B.
As in the question mentioned “detailed monitoring for auto-scaling has been enabled”
1. Basic Monitoring: Seven pre-selected metrics at five-minute frequency and three status check metrics at one-minute frequency, for no additional charge.
2. Detailed Monitoring: All metrics available to Basic Monitoring at one-minute frequency, for an additional charge.
https://aws.amazon.com/cloudwatch/details/#amazon-ec2-monitoring
b
B
B
D
https://aws.amazon.com/cloudwatch/details/#amazon-ec2-monitoring
Auto Scaling groups: seven pre-selected metrics at one-minute frequency, optional and for no additional charge.
Elastic Load Balancers: thirteen pre-selected metrics at one-minute frequency, for no additional charge.