Azure Blob Storage
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What is Azure Blob Storage?
Azure Blob Storage is Microsoft Azure’s object storage service for storing and accessing large volumes of unstructured data. Organizations use it for application content, backups and archives, media, logs, data exports, machine learning datasets, high-performance computing workloads, and data-lake storage.
Blob Storage stores data as blobs in Azure Storage accounts and is accessible through REST APIs, Azure tools, and SDKs for languages including .NET, Java, Python, and Node.js. It can support web, mobile, cloud-native, and serverless applications, including workloads built with Azure Functions.
The service provides storage tiers for different access patterns: Premium for low-latency workloads, Hot for frequently accessed data, Cool and Cold for less frequently accessed data, and Archive for long-term retention. Lifecycle-management policies can move or delete blobs according to age, access pattern, or other configured rules. Azure Blob Storage also supports data immutability through write once, read many (WORM) policies.
Security and access controls include Microsoft Entra ID authentication, Azure role-based access control (RBAC), encryption at rest, customer-managed encryption keys, private networking options, and geo-redundancy configurations. Organizations can use these controls to govern application data, archive content, and analytics datasets.
When hierarchical namespace is enabled, Blob Storage adds directory and file-system semantics to blob data. This allows atomic directory operations, hierarchical organization, file- and directory-level POSIX access control lists, and Hadoop-compatible access through the Azure Blob File System (ABFS) driver. Analytics engines and frameworks that use HDFS-style access, including Apache Spark and Presto, can access the stored data directly.
This configuration enables Blob Storage to serve as the storage foundation for enterprise data lakes while retaining Blob Storage features such as object tiers, lifecycle management, encryption, and availability options.
Azure Data Lake Storage capabilities
Azure Data Lake Storage, also known as Azure Data Lake Storage Gen2, is not a separate service or account type. It is a set of big-data analytics capabilities within Azure Blob Storage that organizations enable through the hierarchical namespace setting.Categories & Use Cases
Technical Details
| Deployment Types | SaaS |
|---|---|
| Mobile Application | No |
FAQs
What is Azure Blob Storage?
Azure Blob Storage is Microsoft Azure’s object storage service for storing and accessing large volumes of unstructured data. Organizations use it for application content, backups and archives, media, logs, data exports, machine learning datasets, high-performance computing workloads, and data-lake storage. NOTE: Azure Data Lake Storage, also known as Azure Data Lake Storage Gen2, is not a separate service or account type. It is a set of big-data analytics capabilities within Azure Blob Storage that organizations enable through the hierarchical namespace setting.