druid/docs/development/extensions-core/azure.md

---
id: azure
title: "Microsoft Azure"
---

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To use this Apache Druid extension, [include](../../development/extensions.md#loading-extensions) `druid-azure-extensions` in the extensions load list.

## Deep Storage

[Microsoft Azure Storage](http://azure.microsoft.com/en-us/services/storage/) is another option for deep storage. This requires some additional Druid configuration.

|Property|Description|Possible Values|Default|
|--------|---------------|-----------|-------|
|`druid.storage.type`|azure||Must be set.|
|`druid.azure.account`||Azure Storage account name.|Must be set.|
|`druid.azure.key`||Azure Storage account key.|Optional. Either set key or sharedAccessStorageToken but not both.|
|`druid.azure.sharedAccessStorageToken`||Azure Shared Storage access token|Optional. Either set key or sharedAccessStorageToken but not both.| 
|`druid.azure.container`||Azure Storage container name.|Must be set.|
|`druid.azure.prefix`|A prefix string that will be prepended to the blob names for the segments published to Azure deep storage| |""|
|`druid.azure.protocol`|the protocol to use|http or https|https|
|`druid.azure.maxTries`|Number of tries before canceling an Azure operation.| |3|
|`druid.azure.maxListingLength`|maximum number of input files matching a given prefix to retrieve at a time| |1024|

See [Azure Services](http://azure.microsoft.com/en-us/pricing/free-trial/) for more information.