metricName

The metric for which you want to return information.

Valid bucket metric names are listed below, along with the most useful statistics to include in your request, and the published unit value.

These bucket metrics are reported once per day.

• BucketSizeBytes - The amount of data in bytes stored in a bucket. This value is calculated by summing the size of all objects in the bucket (including object versions), including the size of all parts for all incomplete multipart uploads to the bucket.Statistics: The most useful statistic is Maximum.Unit: The published unit is Bytes.

• NumberOfObjects - The total number of objects stored in a bucket. This value is calculated by counting all objects in the bucket (including object versions) and the total number of parts for all incomplete multipart uploads to the bucket.Statistics: The most useful statistic is Average.Unit: The published unit is Count.