A metric represents a time-ordered set of data points that are published to CloudWatch. Think of a metric as a variable to monitor, and the data points as representing the values of that variable over time. For example, the CPU usage of a particular EC2 instance is one metric provided by Amazon EC2.
Standard/default CloudWatch metrics are ones that AWS makes available out-of-the-box: for EC2 instances, these are metrics related to your CPU and network utilization.
Also, how long is metrics stored in Amazon CloudWatch? As of November 1st, 2016, the retention window for AWS metrics in CloudWatch has expanded from 14 days to 15 months. Note that the data granularity will be reduced when you widen your range beyond the past 15 days: One minute data points are available for 15 days. Five minute data points are available for 63 days.
Beside this, how do I create AWS metrics?
1. Log in to the instance through the AWS CLI.
Find your custom metric in the CloudWatch console:
- Open the CloudWatch console.
- Choose Metrics.
- Choose the All Metrics tab.
- Choose Custom.
- Choose the dimension Instance.
- Select your custom metric by its InstanceId and Metric Name.
- View the graph of your metric.
What is namespace in AWS?
Namespaces -> (list) An array that contains one NamespaceSummary object for each namespace that matches the specified filter criteria. A complex type that contains information about a namespace. The ID of the namespace. The Amazon Resource Name (ARN) that AWS Cloud Map assigns to the namespace when you create it.
Are CloudWatch logs encrypted?
You can encrypt the log data in CloudWatch Logs using an AWS Key Management Service (AWS KMS) customer master key (CMK). Encryption is enabled at the log group level, by associating a CMK with a log group, either when you create the log group or after it exists. All previously ingested data remains encrypted.
What is CloudWatch?
Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS. You can use Amazon CloudWatch to collect and track metrics, collect and monitor log files, set alarms, and automatically react to changes in your AWS resources.
Where are CloudWatch metrics stored?
By default, metrics are stored at 1-minute resolution in CloudWatch.
Is CloudWatch a SIEM?
CloudTrail can log all events from IAM and is one of the most important services from a SIEM perspective. CloudWatch Logs is an extension of the CloudWatch monitoring facility and provides the ability to parse system, service and application logs in near real time.
What is the difference between CloudTrail and CloudWatch?
What is the difference between CloudTrail and CloudWatch? CloudWatch is mostly used to monitor operational health and performance, but can also provide automation via Rules which respond to state changes. On the other hand, CloudTrail is just used to audit changes to services.
How does CloudWatch alarm work?
Alarms watch metrics and execute actions by publishing notifications to Amazon SNS topics or by initiating Auto Scaling actions. SNS can deliver notifications using HTTP, HTTPS, Email, or an Amazon SQS queue. Your application can receive these notifications and then act on them in any desired way.
Is CloudWatch free?
You can get started with Amazon CloudWatch for free. Most AWS Services (EC2, S3, Kinesis, etc.) vend metrics automatically for free to CloudWatch. Many applications should be able to operate within these free tier limits.
Is CloudWatch region specific?
For more information about creating CloudWatch alarms, see Alarms. AWS Cloud computing resources are housed in highly available data center facilities. To provide additional scalability and reliability, each data center facility is located in a specific geographical area, known as a Region.
How do I find CloudWatch logs?
To search your logs using the console Open the CloudWatch console at https://console.aws.amazon.com/cloudwatch/ . In the navigation pane, choose Log groups. For Log Groups, choose the name of the log group containing the log stream to search. For Log Streams, choose the name of the log stream to search.
How do you make a CloudWatch?
You can create a CloudWatch alarm that sends a simple notification service message when the alarm changes the state. Open the Amazon CloudWatch console at https:// console.aws.amazon.com/ cloudwatch/. In the Navigation pane, in the Region list, click US East (Virginia). In the details pane, click Create Alarm.
How do you filter CloudWatch logs?
Login to the AWS console and navigate to the CloudWatch Service. Once you’re in the CloudWatch console go to Logs in the menu and then highlight the CloudTrail log group. After that you can click the “Create Metric Filter” button. In the “Filter Pattern” box we’ll select a pattern that we’re looking for.
How do I set up alerts in AWS?
How to Set Billing Alerts for AWS Services Choose my Account→ My Billing Dashboard and log in to the system if necessary. Click Preferences on the left side of the browser window. Select Receive Billing Alerts and then click Save Preferences. Click Manage Billing Alerts. Choose AlarmsBilling on the left side of the display. Click Create Alarm.
What is the default cooldown period in auto scaling?