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Merge pull request #78910 from jovanpop-msft/patch-69
Update sql-database-managed-instance-resource-limits.md
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articles/sql-database/sql-database-managed-instance-resource-limits.md

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@@ -32,8 +32,8 @@ Azure SQL Database managed instance can be deployed on two hardware generations:
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| --- | --- | --- |
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| Hardware | Intel E5-2673 v3 (Haswell) 2.4-GHz processors, attached SSD vCore = 1 PP (physical core) | Intel E5-2673 v4 (Broadwell) 2.3-GHz processors, fast NVMe SSD, vCore=1 LP (hyper-thread) |
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| vCores | 8, 16, 24 vCores | 8, 16, 24, 32, 40, 64, 80 vCores |
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| Memory | 7 GB per vCore | 5.1 GB per vCore |
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| Max In-Memory OLTP memory | 3 GB per vCore | 2.6 GB per vCore |
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| Memory (memory/core ratio) | 7 GB per vCore | 5.1 GB per vCore |
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| Max In-Memory OLTP memory | Instance limit: 3 GB per vCore<br/>Database limits:<br/> - 8-core: 8GB per database<br/> - 16-core: 20GB per database<br/> - 24-core: 36GB per database | Instance limit: 2.5 GB per vCore<br/>Database limits:<br/> - 8-core: 13GB per database<br/> - 16-core: 32GB per database |
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| Max instance storage (General Purpose) | 8 TB | 8 TB |
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| Max instance storage (Business Critical) | 1 TB | 1 TB, 2 TB, or 4 TB depending on the number of cores |
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@@ -44,14 +44,14 @@ Managed instance has two service tiers - General Purpose and Business Critical.
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| **Feature** | **General Purpose** | **Business Critical** |
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| --- | --- | --- |
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| Number of vCores\* | Gen4: 8, 16, 24<br/>Gen5: 8, 16, 24, 32, 40, 64, 80 | Gen4: 8, 16, 24, 32 <br/> Gen5: 8, 16, 24, 32, 40, 64, 80 |
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| Memory | Gen4: 56 GB - 168 GB (7GB/vCore)<br/>Gen5: 40.8 GB - 408 GB (5.1GB/vCore) | Gen4: 56 GB - 168 GB (7GB/vCore)<br/>Gen5: 40.8 GB - 408 GB (5.1GB/vCore) |
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| Memory (memory/core ratio) | Gen4: 56 GB - 168 GB (7GB/vCore)<br/>Gen5: 40.8 GB - 408 GB (5.1GB/vCore) | Gen4: 56 GB - 168 GB (7GB/vCore)<br/>Gen5: 40.8 GB - 408 GB (5.1GB/vCore) |
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| Max instance storage size | 8 TB | Gen4: 1 TB <br/> Gen5: <br/>- 1 TB for 8, 16 vCores<br/>- 2 TB for 24 vCores<br/>- 4 TB for 32, 40, 64, 80 vCores |
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| Max storage per database | Determined by the max storage size per instance | Determined by the max storage size per instance |
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| Max number of databases per instance | 100 | 100 |
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| Max database files per instance | Up to 280 | 32,767 files per database |
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| Data/Log IOPS (approximate) | 500 - 7,500 per file<br/>\*[Depends on the file size](https://docs.microsoft.com/azure/virtual-machines/windows/premium-storage-performance#premium-storage-disk-sizes)| 11 K - 110 K (1375/vCore) |
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| Log throughput | 3 MB/s per vCore<br/>Max 22 MB/s per instance | 4 MB/s per vCore<br/>Max 48 MB/s per instance|
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| Data throughput (approximate) | 100 - 250 MB/s per file<br/>\*[Depends on the file size](https://docs.microsoft.com/azure/virtual-machines/windows/premium-storage-performance#premium-storage-disk-sizes) | |
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| Data throughput (approximate) | 100 - 250 MB/s per file<br/>\*[Depends on the file size](https://docs.microsoft.com/azure/virtual-machines/windows/premium-storage-performance#premium-storage-disk-sizes) | N/A |
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| IO latency (approximate) | 5-10 ms | 1-2 ms |
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| Max tempDB size | 192 - 1,920 GB (24 GB per vCore) | No constraints - limited by the max instance storage size |
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| Max sessions | 30000 | 30000 |
@@ -162,4 +162,4 @@ To initiate the process of obtaining a larger quota:
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- For more information about managed instance, see [What is a managed instance?](sql-database-managed-instance.md).
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- For pricing information, see [SQL Database managed instance pricing](https://azure.microsoft.com/pricing/details/sql-database/managed/).
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- To learn how to create your first managed instance, see [the quickstart guide](sql-database-managed-instance-get-started.md).
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- To learn how to create your first managed instance, see [the quickstart guide](sql-database-managed-instance-get-started.md).

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