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An Azure Blob Storage solution is a cloud-based data storage service that allows you to store and serve large amounts of unstructured data, such as images, videos, and documents, with high availability and scalability.
This solution is designed to handle large files and objects, with a maximum size of 195 GB per blob, and a total storage capacity of up to 5 TB per storage account.
Azure Blob Storage is optimized for high-performance, with a guaranteed 99.99% uptime and a latency of less than 100 ms for most requests.
With Azure Blob Storage, you can store data in hot, cool, or archive storage, depending on your needs, with pricing that varies accordingly.
What is Azure Blob
Azure Blob is a cloud platform that allows developers to store large amounts of unstructured data or data that doesn’t fit into a specific data model or definition, like text or binary data. This is similar to Lindsay's approach to storing accessories, where she can throw any accessory into a pile without arranging anything.
Azure Blob Storage is Microsoft's cloud platform that offers scalability, cost-effectiveness, accessibility, integration with Azure services, and data security and compliance. These features make it a popular choice for large companies that need to store large volumes of data.
The key features of Azure Blob Storage include scalability, cost-effectiveness, accessibility, integration with Azure services, and data security and compliance. This is why it's a great option for storing large files of unstructured data, such as audio, video, text, and other data that is accessible through an Internet connection.
Azure Blob Storage is also similar to AWS S3 and Google Cloud Storage, which all utilize an object storage model in which data is stored as objects held in containers. This means that Azure Blob Storage is scalable with high availability and provides varied tiers of service to fit the needs and budgets of its clients.
Here are the key features of Azure Blob Storage:
- Scalability
- Cost-effectiveness
- Accessibility
- Integration with Azure services
- Data security and compliance
Overall, Azure Blob is a powerful tool for storing large amounts of unstructured data, and its features make it a great option for companies that need to store and manage large volumes of data in the cloud.
Blob Storage Options
Azure Blob Storage offers almost unlimited storage capacity, making it ideal for storing large volumes of unstructured data. This means you can store petabytes of data cost-effectively.
With tiered pricing according to data access needs, Azure Blob Storage is a cost-effective solution for storing data that needs no hierarchy. You can optimize costs with tiered storage for your long-term data.
Azure Blob Storage access tiers provide cost-effective storage options corresponding to your data's various usage patterns and access frequency.
Types of Blobs
Azure Blob Storage offers three types of blobs: block blobs, append blobs, and page blobs. Each type serves a different purpose, making it essential to understand their characteristics before choosing the right one for your storage needs.
Block blobs can store text and binary data up to approximately 4.75 TiB, and are made up of blocks of data that can be managed individually.
Append blobs are optimized for append operations and are ideal for scenarios such as logging data from virtual machines.
Page blobs store random access files up to 8 TiB in size and are often used to store virtual hard drive (VHD) files that serve as disks for Azure virtual machines.
Here's a summary of the different types of blobs in Azure Blob Storage:
Access Tiers
Access Tiers allow you to store data in a way that's cost-effective and optimized for your needs.
You can choose from three access tiers: Hot, Cool, and Archive. The Hot tier is best for operational use data that's frequently accessed or modified, while the Cool tier is ideal for occasionally accessed data, like backup and disaster recovery files. The Archive tier is an offline option for storing rarely accessed data.
Here's a quick rundown of the access tiers:
You can change between these access tiers at any moment, but keep in mind that changing an archived blob to a hot or cool tier requires rehydration, which can take up to 15 hours.
Types of Credentials
When working with Azure Blob Storage, you have several options for authenticating your client. You can use an Azure Active Directory (AAD) token credential, a shared access signature (SAS) token, a storage account shared key, or even anonymous public read access.
To use an Azure Active Directory (AAD) token credential, you can obtain an instance of the desired credential type from the azure-identity library. For example, you can use DefaultAzureCredential to authenticate the client.
You can also use a shared access signature (SAS) token, which can be generated from the Azure Portal or using one of the generate_sas() functions. If your account URL includes the SAS token, you can omit the credential parameter.
A storage account shared key, also known as an account key or access key, can be used as the credential parameter to authenticate the client. You can find this key in the Azure Portal under the "Access Keys" section or by running an Azure CLI command.
If you're using anonymous public read access, simply omit the credential parameter.
Here are the different types of credentials you can use:
Frequently Asked Questions
What is the difference between Azure container and BLOBs?
An Azure container is a top-level entity that holds metadata, properties, and zero or more blobs or directories, while a blob is a single entity of binary data with its own properties and metadata. Think of containers as folders and blobs as files, but with more capabilities.
What is the purpose of BLOB?
A BLOB is used to store large binary files like images, audio, and videos. Its main purpose is to efficiently store and manage multimedia data in databases and applications.
Why is it called Azure Blob?
Azure Blob Storage is called "Blob" because it stores large binary objects, short for "binary large object." This name reflects its ability to handle unstructured data like text, images, and videos.
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