List of shard-level metrics.
The following are the valid shard-level metrics. The value "ALL" enhances every metric.
IncomingBytes IncomingRecords OutgoingBytes OutgoingRecords WriteProvisionedThroughputExceeded ReadProvisionedThroughputExceeded IteratorAgeMilliseconds ALL For
more information, see Monitoring the Amazon Kinesis Streams Service with Amazon CloudWatch (http://docs.aws.amazon.com/kinesis/latest/dev/monitoring-with-cloudwatch.html) in the Amazon Kinesis Streams Developer Guide.