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Scalability and performance targets for standard storage accounts

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This reference details scalability and performance targets for Azure Storage. The scalability and performance targets listed here are high-end targets, but are achievable. In all cases, the request rate and bandwidth achieved by your storage account depends upon the size of objects stored, the access patterns utilized, and the type of workload your application performs.

Make sure to test your service to determine whether its performance meets your requirements. If possible, avoid sudden spikes in the rate of traffic and ensure that traffic is well-distributed across partitions.

When your application reaches the limit of what a partition can handle for your workload, Azure Storage begins to return error code 503 (Server Busy) or error code 500 (Operation Timeout) responses. If 503 errors are occurring, consider modifying your application to use an exponential backoff policy for retries. The exponential backoff allows the load on the partition to decrease, and to ease out spikes in traffic to that partition.

The service-level agreement (SLA) for Azure Storage accounts is available at SLA for Storage Accounts.

Scale targets for standard storage accounts

The following table describes default limits for Azure general-purpose v2 (GPv2), general-purpose v1 (GPv1), and Blob storage accounts. The ingress limit refers to all data that is sent to a storage account. The egress limit refers to all data that is received from a storage account.

Microsoft recommends that you use a GPv2 storage account for most scenarios. You can easily upgrade a GPv1 or a Blob storage account to a GPv2 account with no downtime and without the need to copy data. For more information, see Upgrade to a GPv2 storage account.

Note

You can request higher capacity and ingress limits. To request an increase, contact Azure Support.

Resource Limit
Maximum number of storage accounts with standard endpoints per region per subscription, including standard and premium storage accounts. 250 by default, 500 by request1
Maximum number of storage accounts with Azure DNS zone endpoints (preview) per region per subscription, including standard and premium storage accounts. 5000 (preview)
Default maximum storage account capacity 5 PiB 2
Maximum number of blob containers, blobs, directories and subdirectories (if Hierarchical Namespace is enabled), file shares, tables, queues, entities, or messages per storage account. No limit
Default maximum request rate per storage account 40,000 requests per second2
Default maximum ingress per general-purpose v2 and Blob storage account in the following regions:
  • East Asia
  • Southeast Asia
  • Australia East
  • Brazil South
  • Canada Central
  • China East 2
  • China North 3
  • North Europe
  • West Europe
  • France Central
  • Germany West Central
  • Central India
  • Japan East
  • Jio India West
  • Korea Central
  • Norway East
  • South Africa North
  • Sweden Central
  • UAE North
  • UK South
  • Central US
  • East US
  • East US 2
  • USGov Virginia
  • USGov Arizona
  • North Central US
  • South Central US
  • West US
  • West US 2
  • West US 3
 60 Gbps2
Default maximum ingress per general-purpose v2 and Blob storage account in regions that aren't listed in the previous row. 25 Gbps2
Default maximum ingress for general-purpose v1 storage accounts (all regions) 10 Gbps2
Default maximum egress for general-purpose v2 and Blob storage accounts in the following regions:
  • East Asia
  • Southeast Asia
  • Australia East
  • Brazil South
  • Canada Central
  • China East 2
  • China North 3
  • North Europe
  • West Europe
  • France Central
  • Germany West Central
  • Central India
  • Japan East
  • Jio India West
  • Korea Central
  • Norway East
  • South Africa North
  • Sweden Central
  • UAE North
  • UK South
  • Central US
  • East US
  • East US 2
  • USGov Virginia
  • USGov Arizona
  • North Central US
  • South Central US
  • West US
  • West US 2
  • West US 3
 200 Gbps2
Default maximum egress for general-purpose v2 and Blob storage accounts in regions that aren't listed in the previous row. 50 Gbps2
Maximum egress for general-purpose v1 storage accounts (US regions) 20 Gbps if RA-GRS/GRS is enabled, 30 Gbps for LRS/ZRS
Maximum egress for general-purpose v1 storage accounts (non-US regions) 10 Gbps if RA-GRS/GRS is enabled, 15 Gbps for LRS/ZRS
Maximum number of IP address rules per storage account 400
Maximum number of virtual network rules per storage account 400
Maximum number of resource instance rules per storage account 200
Maximum number of private endpoints per storage account 200

1 With a quota increase, you can create up to 500 storage accounts with standard endpoints per region. For more information, see Increase Azure Storage account quotas. 2 Azure Storage standard accounts support higher capacity limits and higher limits for ingress and egress by request. To request an increase in account limits, contact Azure Support.

See also