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AWS DynamoDB Monitoring

Requires Opsview Cloud or Opsview Monitor 6
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AWS DynamoDB Monitoring

Amazon DynamoDB is a fast and flexible NoSQL database service for all applications that need consistent, single-digit millisecond latency at any scale. It is a fully managed cloud database and supports both document and key-value store models. Its flexible data model and reliable performance make it a great fit for mobile, web, gaming, ad tech, IoT, and many other applications. This is just part of Opsview Monitor's AWS Monitoring capabilities.

What Can You Monitor

Opsview Monitor's AWS DynamoDB monitoring provides the most up-to-date metrics for your database needs. DynamoDB is built for high performance with seamless scalability and lets our Opspack track all the important metrics to keep your database up and running. The DynamDB Opspack can be used with many different AWS Opspacks to paint a larger picture of your AWS environment. AWS Service Statuses help you track the availability of your DynamoDB instances in various regions.

Note: This Opspack knows when it was last run, so when testing the results in the troubleshoot section, you will need to wait a couple minutes each time you recheck the results. The time frame that is searched for is based around the last time the Opspack ran, so running it too quickly will result in no data being found and the service check going into an unknown

Service Checks

Service Check Description
AWS/DynamoDB.ConditionalCheckFailedRequests The number of failed attempts to perform conditional writes.
AWS/DynamoDB.ConsumedReadCapacityUnits The number of read capacity units consumed over a specified time period.
AWS/DynamoDB.ConsumedWriteCapacityUnits The number of write capacity units consumed over a specified time period.
AWS/DynamoDB.OnlineIndexConsumedWriteCapacity The number of write capacity units consumed when adding a new global secondary index to a table.
AWS/DynamoDB.OnlineIndexPercentageProgress The percentage of completion when a new global secondary index is being added to a table.
AWS/DynamoDB.OnlineIndexThrottleEvents The number of write throttle events that occur when adding a new global secondary index to a table.
AWS/DynamoDB.ProvisionedReadCapacityUnits The number of provisioned read capacity units for a table or a global secondary index.
AWS/DynamoDB.ProvisionedWriteCapacityUnits The number of provisioned write capacity units for a table or a global secondary index.
AWS/DynamoDB.ReadThrottleEvents Requests to DynamoDB that exceed the provisioned read capacity units for a table or a global secondary index.
AWS/DynamoDB.ReturnedBytes The number of bytes returned by GetRecords operations (Amazon DynamoDB Streams) during the specified time period.
AWS/DynamoDB.ReturnedItemCount The number of items returned by Query or Scan operations during a specified time period.
AWS/DynamoDB.ReturnedRecordsCount The number of stream records returned by GetRecords operations (Amazon DynamoDB Streams) during the specified time period.
AWS/DynamoDB.SuccessfulRequestLatency Successful requests to DynamoDB or Amazon DynamoDB Streams during the specified time period.
AWS/DynamoDB.SystemErrors Requests to DynamoDB or Amazon DynamoDB Streams that generate an HTTP 500 status code during the specified time period.
AWS/DynamoDB.ThrottledRequests Requests to DynamoDB that exceed the provisioned throughput limits on a resource (such as a table or an index).
AWS/DynamoDB.UserErrors Requests to DynamoDB or Amazon DynamoDB Streams that generate an HTTP 400 status code during the specified time period.
AWS/DynamoDB.WriteThrottleEvents Requests to DynamoDB that exceed the provisioned write capacity units for a table or a global secondary index.

AWS DynamoDB Monitoring Prerequisites

To be able to monitor AWS CloudWatch services, you need to add your AWS credentials to your Opsview Monitor server.

Create a temporary aws_credentials.cfg file with the following contents:

[default]
aws_access_key_id = "Your Access Key Id"
aws_secret_access_key = "Your Secret Key Id"

Then run the following command as the opsview user to import this file:

/opt/opsview/orchestrator/bin/orchestratorimportscripts etc-plugins cloud-aws /path/to/aws_credentials.cfg

After an Apply Changes has been run, this will be distributed to the live location on all Opsview collectors.

The default live location for this file is /opt/opsview/monitoringscripts/etc/plugins/cloud-aws/aws_credentials.cfg. If you are not using the default location, you will need to assign your full path to the variable: AWS_CLOUDWATCH_AUTHENTICATION.

AWS DynamoDB Monitoring Setup and Configuration

To configure and utilize this Opspack, you need to add the 'Cloud - AWS - DynamoDB CloudWatch' Opspack to your Opsview Monitor system

Step 1: Add the Host Template

Add the Cloud - AWS - DynamoDB CloudWatch Host Template to your Opsview Monitor host. Add the Primary Hostname/IP. This can be the Public DNS (IPV4) or IPV4 Public IP from the Description tab of an EC2 instance in the EC2 Console in AWS.

For more information, refer to Opsview Knowledge Center - Adding Host Templates to Hosts.

Step 2: Add and configure variables required for this host

Variable Description
AWS_CLOUDWATCH_AUTHENTICATION Authentication details for CloudWatch. The Value is not used and therefore can be set to anything. Either override the File Path with the location of your credentials file, or override the Access Key and Secret Key arguments (this approach is recommended as the values will be encrypted). Optionally, override the Region (default: eu-west-1) with the location of your instance if you are not using the default region.
AWS_CLOUDWATCH_ROLE_ARN This optional variable is the Amazon Resource Name (ARN) of the role to be used for the service checks. Override the Access ARN with the ARN of the role. The account should have AssumeRole(STS) for this ARN.
AWS_DYNAMODB_TABLE_NAME The name of the database you want to monitor in AWS.

For more information, refer to Opsview Knowledge Center - Adding Variables to Hosts.

Step 3: Apply Changes and the system will now be monitored

AWS DynamoDB Service Checks