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Data Lake Formation:CatalogSummary

Last Updated:Feb 03, 2026

Parameter

Type

Description

Example

object

The storage overview for the data catalog.

databaseCount MoMValues

The month-over-month data on the total number of databases.

tableCount MoMValues

The month-over-month data on the total number of tables.

partitionCount MoMValues

The month-over-month data on the total number of partitions.

totalFileSizeInBytes MoMValues

The change in storage capacity from the previous period, in bytes.

totalFileCount MoMValues

The month-over-month data on the total number of files.

apiVisitCountMonthly

integer

The total number of metadata requests in the current month.

1000

fileAccessCountMonthly

integer

The total number of file requests for the current month.

throughputMonthly

integer

The data access traffic for the current month, in bytes.

1024

generatedDate

string

The date when the storage overview data was updated.

2025-01-01

objTypeStandardSize

integer

The storage usage for Standard data files.

objTypeIaSize

integer

The storage usage for Infrequent Access (IA) data files.

objTypeArchiveSize

integer

The storage usage for Archive data files.

objTypeColdArchiveSize

integer

The storage usage for Cold Archive data files.

totalMetaSizeInBytes MoMValues

The month-over-month data for the storage usage of metadata files, in bytes.

totalMetaFileCount MoMValues

The month-over-month data for the total number of metadata files.