Monitoring Usage with CloudWatch Metrics

CloudWatch Logs sends metrics to Amazon CloudWatch every minute.

CloudWatch Logs Metrics

The AWS/Logs namespace includes the following metrics.

Metric	Description
IncomingBytes	The volume of log events in uncompressed bytes uploaded to CloudWatch Logs. When used with the LogGroupName dimension, this is the volume of log events in uncompressed bytes uploaded to the log group. Valid Dimensions: LogGroupName Valid Statistic: Sum Units: Bytes
IncomingLogEvents	The number of log events uploaded to CloudWatch Logs. When used with the LogGroupName dimension, this is the number of log events uploaded to the log group. Valid Dimensions: LogGroupName Valid Statistic: Sum Units: None
ForwardedBytes	The volume of log events in compressed bytes forwarded to the subscription destination. Valid Dimensions: LogGroupName, DestinationType, FilterName Valid Statistic: Sum Units: Bytes
ForwardedLogEvents	The number of log events forwarded to the subscription destination. Valid Dimensions: LogGroupName, DestinationType, FilterName Valid Statistic: Sum Units: None
DeliveryErrors	The number of log events for which CloudWatch Logs received an error when forwarding data to the subscription destination. Valid Dimensions: LogGroupName, DestinationType, FilterName Valid Statistic: Sum Units: None
DeliveryThrottling	The number of log events for which CloudWatch Logs was throttled when forwarding data to the subscription destination. Valid Dimensions: LogGroupName, DestinationType, FilterName Valid Statistic: Sum Units: None

Dimensions for CloudWatch Logs Metrics

The dimensions that you can use with CloudWatch Logs metrics are listed below.

Dimension	Description
LogGroupName	The name of the CloudWatch Logs log group for which to display metrics.
DestinationType	The subscription destination for the CloudWatch Logs data, which can be AWS Lambda, Amazon Kinesis Data Streams, or Amazon Kinesis Data Firehose.
FilterName	The name of the subscription filter that is forwarding data from the log group to the destination. The subscription filter name is automatically converted by CloudWatch to ASCII and any unsupported characters get replaced with a question mark (?).