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Merge pull request #100782 from dimitri-furman/dimitri-furman
Fixed IOPS/throughput to use resource limit docs
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articles/sql-database/sql-database-service-tiers-vcore.md

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@@ -26,8 +26,8 @@ Service tier options in the vCore model include General Purpose, Business Critic
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||**General purpose**|**Business critical**|**Hyperscale**|
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|Best for|Most business workloads. Offers budget-oriented, balanced, and scalable compute and storage options. |Offers business applications the highest resilience to failures by using several isolated replicas, and provides the highest I/O performance per database replica.|Most business workloads with highly scalable storage and read-scale requirements. Offers higher resilience to failures by allowing configuration of more than one isolated database replica. |
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|Storage|Uses remote storage.<br/>**Single database and elastic pool provisioned compute**:<br/>5 GB – 4 TB<br/>**Serverless compute**:<br/>5 GB - 3 TB<br/>**Managed instance**: 32 GB - 8 TB |Uses local SSD storage.<br/>**Single database and elastic pool provisioned compute**:<br/>5 GB – 4 TB<br/>**Managed instance**:<br/>32 GB - 4 TB |Flexible autogrow of storage as needed. Supports up to 100 TB of storage. Uses local SSD storage for local buffer-pool cache and local data storage. Uses Azure remote storage as final long-term data store. |
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|I/O throughput (approximate)|**Single database and elastic pool**: 500 IOPS per vCore up to 40000 maximum IOPS.<br/>**Managed instance**: Depends on [size of file](../virtual-machines/windows/premium-storage-performance.md#premium-storage-disk-sizes).|5000 IOPS per vCore up to 320,000 maximum IOPS|Hyperscale is a multi-tiered architecture with caching at multiple levels. Effective IOPs will depend on the workload.|
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|Storage|Uses remote storage.<br/>**Single databases and elastic pools provisioned compute**:<br/>5 GB – 4 TB<br/>**Serverless compute**:<br/>5 GB - 3 TB<br/>**Managed Instance**: 32 GB - 8 TB |Uses local SSD storage.<br/>**Single databases and elastic pools provisioned compute**:<br/>5 GB – 4 TB<br/>**Managed Instance**:<br/>32 GB - 4 TB |Flexible autogrow of storage as needed. Supports up to 100 TB of storage. Uses local SSD storage for local buffer-pool cache and local data storage. Uses Azure remote storage as final long-term data store. |
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|IOPS and throughput (approximate)|**Single databases and elastic pools**: See resource limits for [single databases](../sql-database/sql-database-vcore-resource-limits-single-databases.md) and [elastic pools](../sql-database/sql-database-vcore-resource-limits-elastic-pools.md).<br/>**Managed Instance**: See [Overview Azure SQL Database managed instance resource limits](../sql-database/sql-database-managed-instance-resource-limits.md#service-tier-characteristics).|See resource limits for [single databases](../sql-database/sql-database-vcore-resource-limits-single-databases.md) and [elastic pools](../sql-database/sql-database-vcore-resource-limits-elastic-pools.md).|Hyperscale is a multi-tiered architecture with caching at multiple levels. Effective IOPS and throughput will depend on the workload.|
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|Availability|1 replica, no read-scale replicas|3 replicas, 1 [read-scale replica](sql-database-read-scale-out.md),<br/>zone-redundant high availability (HA)|1 read-write replica, plus 0-4 [read-scale replicas](sql-database-read-scale-out.md)|
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|Backups|[Read-access geo-redundant storage (RA-GRS)](../storage/common/storage-designing-ha-apps-with-ragrs.md), 7-35 days (7 days by default)|[RA-GRS](../storage/common/storage-designing-ha-apps-with-ragrs.md), 7-35 days (7 days by default)|Snapshot-based backups in Azure remote storage. Restores use these snapshots for fast recovery. Backups are instantaneous and don't impact compute I/O performance. Restores are fast and aren't a size-of-data operation (taking minutes rather than hours or days).|
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|In-memory|Not supported|Supported|Not supported|

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