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docs(aws): sprinkle sources for better ec2 monitoring

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Michele Cereda
2026-02-07 13:59:39 +01:00
parent 234ea42eb3
commit 01c24d1340
2 changed files with 15 additions and 5 deletions
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knowledge base/cloud computing/aws/cloudwatch.md
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@@ -130,6 +130,7 @@ Logs in CloudWatch Log Groups can be streamed [Kinesis], [Firehose] or [Lambda]
## Further readings
- [Website]
- [Analyzing, optimizing, and reducing CloudWatch costs]
### Sources
@@ -152,6 +153,7 @@ Logs in CloudWatch Log Groups can be streamed [Kinesis], [Firehose] or [Lambda]
<!-- Knowledge base -->
<!-- Files -->
<!-- Upstream -->
[Analyzing, optimizing, and reducing CloudWatch costs]: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_billing.html
[cloudwatch console]: https://console.aws.amazon.com/cloudwatch/home
[documentation]: https://console.aws.amazon.com/cloudwatch/
[firehose]: https://docs.aws.amazon.com/firehose/latest/dev/what-is-this-service.html

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knowledge base/cloud computing/aws/ec2.md
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@@ -5,7 +5,8 @@
1. [Spot instances](#spot-instances)
1. [Disks](#disks)
1. [Ephemeral storage](#ephemeral-storage)
1. [Metrics](#metrics)
1. [Monitoring](#monitoring)
1. [Metrics](#metrics)
1. [Auto scaling](#auto-scaling)
1. [Lifecycle hooks](#lifecycle-hooks)
1. [Image customization](#image-customization)
@@ -196,17 +197,23 @@ Virtual devices for instance store volumes are given device names in order from
There is no additional charge for using the instance store volumes provided with instances.<br/>
Instance store volumes are **included** as part of the usage cost of an instance.
## Metrics
## Monitoring
Instances publish a default set of metrics to CloudWatch with no charge.<br/>
### Metrics
Instances publish _a default set_ of metrics to CloudWatch with no charge.<br/>
One can change this set by configuring the CloudWatch agent.
[Config file reference][manually create or edit the cloudwatch agent configuration file].<br/>
[Recommended alarms].
Refer [How can I send memory and disk metrics from my EC2 instances to CloudWatch?] and
[Monitor AWS EC2 memory utilization and set CloudWatch Alarm].
Refer:
- [Monitor your instances using CloudWatch].
- [How can I send memory and disk metrics from my EC2 instances to CloudWatch?].
- [Monitor AWS EC2 memory utilization and set CloudWatch Alarm].
> [!important]
> Make sure the instance the permissions it needs to publish extra metrics.<br/>
> Consider assigning it the AWS-managed `CloudWatchAgentServerPolicy` IAM policy or similar permissions.
>
@@ -363,6 +370,7 @@ Also see [Automatic instance recovery].
[instance store temporary block storage for ec2 instances]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/InstanceStorage.html
[key concepts and definitions for burstable performance instances]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/burstable-credits-baseline-concepts.html
[Manually create or edit the CloudWatch agent configuration file]: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-Configuration-File-Details.html
[Monitor your instances using CloudWatch]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-cloudwatch.html
[recommended alarms]: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Best_Practice_Recommended_Alarms_AWS_Services.html#EC2
[retrieve instance metadata]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html
[Spot Instance interruptions]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-interruptions.html