Changes for page sql-managed-instance

Last modified by Rudi Marais on 2023/05/22 23:50
<
From version < 1.2 >
edited by Rudi Marais
on 2023/02/15 06:09
To version < 1.12
edited by Rudi Marais
on 2023/05/22 23:50
Change comment: Update document after refactoring.

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1 -Technical Documentation.analysis.WebHome
1 +technical-documentation.analysis.sql.WebHome
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3 3  
4 4  * [[HammerDB>>url:https://www.hammerdb.com/download.html]]
5 5  * [[Download ODBC Driver for SQL Server - ODBC Driver for SQL Server ~| Microsoft Learn>>url:https://learn.microsoft.com/en-us/sql/connect/odbc/download-odbc-driver-for-sql-server?view=sql-server-ver16]]
6 +
7 +[[Resource limits - Azure SQL Managed Instance ~| Microsoft Learn>>url:https://learn.microsoft.com/en-us/azure/azure-sql/managed-instance/resource-limits?view=azuresql-mi]]
8 +
9 +|Max number of databases per instance|100 user databases, unless the instance storage size limit has been reached.
10 +|Max number of database files per instance|Up to 280, unless the instance storage size or [[Azure Premium Disk storage allocation space>>url:https://learn.microsoft.com/en-us/azure/azure-sql/managed-instance/doc-changes-updates-known-issues?view=azuresql-mi#exceeding-storage-space-with-small-database-files]] limit has been reached.
11 +|Max data file size|Maximum size of each data file is 8 TB. Use at least two data files for databases larger than 8 TB.
12 +|Data/Log IOPS (approximate)|500 - 7500 per file
13 +*[[Increase file size to get more IOPS>>url:https://learn.microsoft.com/en-us/azure/azure-sql/managed-instance/resource-limits?view=azuresql-mi#file-io-characteristics-in-general-purpose-tier]]
14 +|Max sessions|30000
15 +|Max concurrent workers|105 * number of vCores + 800
16 +| |
17 +
18 +|=**File size**|=**>=0 and <=129 GiB**|=**>129 and <=513 GiB**|=**>513 and <=1025 GiB**|=**>1025 and <=2049 GiB**|=**>2049 and <=4097 GiB**|=**>4097 GiB and <=8 TiB**
19 +|IOPS per file|500|2300|5000|7500|7500|12,500
20 +|Throughput per file|100 MiB/s|150 MiB/s|200 MiB/s|250 MiB/s|250 MiB/s|250 MiB/s
21 +
22 +* 20 minutes to start up when stopped
23 +
24 +
25 +== backups ==
26 +
27 +[[Quickstart: Backup & restore to Azure Blob Storage - SQL Server ~| Microsoft Learn>>url:https://learn.microsoft.com/en-us/sql/relational-databases/tutorial-sql-server-backup-and-restore-to-azure-blob-storage-service?view=sql-server-ver16&tabs=SSMS&viewFallbackFrom=azuresqldb-mi-current]]
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29 +
30 +[[GitHub - JocaPC/qpi: Query Performance Insight - analyze performance of your SQL Server Database Engine>>url:https://github.com/JocaPC/qpi]]
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35 +storage acccount with storage container [TDE must be turned off - encrypting key must be dropped!]
36 +
37 +

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