azure-data-lake-store-limits.md

title	description	services	author	ms.service	ms.topic	ms.date	ms.author	ms.custom
include file	include file	storage	twooley	storage	include	09/30/2020	twooley	include file

Azure Data Lake Storage Gen2 is not a dedicated service or storage account type. It is the latest release of capabilities that are dedicated to big data analytics. These capabilities are available in a general-purpose v2 or BlockBlobStorage storage account, and you can obtain them by enabling the Hierarchical namespace feature of the account. For scale targets, see these articles.

• Scale targets for Blob storage.
• Scale targets for standard storage accounts.

Azure Data Lake Storage Gen1 is a dedicated service. It's an enterprise-wide hyper-scale repository for big data analytic workloads. You can use Data Lake Storage Gen1 to capture data of any size, type, and ingestion speed in one single place for operational and exploratory analytics. There's no limit to the amount of data you can store in a Data Lake Storage Gen1 account.

Resource	Limit	Comments
Maximum number of Data Lake Storage Gen1 accounts, per subscription, per region	10	To request an increase for this limit, contact support.
Maximum number of access ACLs, per file or folder	32	This is a hard limit. Use groups to manage access with fewer entries.
Maximum number of default ACLs, per file or folder	32	This is a hard limit. Use groups to manage access with fewer entries.