![]() While AWS Lambda includes a 512 MB temporary file system ( /tmp) for your code, this is an ephemeral scratch resource not intended for durable storage such as Amazon Elastic File System (Amazon EFS). Serverless applications are event-driven, using ephemeral compute functions ranging from web APIs, mobile backends, and streaming analytics to data processing stages in machine learning (ML) and high-performance applications. Avoid using the same volume for the buffer pool extension and tempdb.Update J– The Available Now section below has been edited for clarity to ensure the best experience for our readers. However, we strongly recommend testing it thoroughly before If you’re planning to use the buffer pool extension, you might also consider placing it Register-ScheduledTask -Action $action -Trigger $trigger -TaskName "Rebuild TempDBPool" -Description "Rebuild TempDBPool if required" -RunLevel Highest -User System $trigger = New-ScheduledTaskTrigger -AtStartup $action = New-ScheduledTaskAction -Execute 'Powershell.exe' -Argument 'c:\scripts\InstanceStoreMapping.ps1' # Create a scheduled task on startup to run script if required (if T: is lost) $InstanceStoreMapping | set-content c:\Scripts\InstanceStoreMapping.ps1 New-Item -ItemType Directory -Path c:\Scripts ![]() #Restart SQL so it can create tempdb on new drive $permission="NT SERVICE\MSSQLSERVER","FullControl","Allow" #grant SQL Server Startup account full access to the new drive ![]() Get-VirtualDisk -FriendlyName TempDBDisk | Get-Disk | Initialize-Disk -Passthru | New-Partition -DriveLetter T -UseMaximumSize | Format-Volume -FileSystem ReFS -AllocationUnitSize 65536 -NewFileSystemLabel TempDBfiles -Confirm:$false New-VirtualDisk -StoragePoolFriendlyName TempDBPool -FriendlyName TempDBDisk -ResiliencySettingName simple -ProvisioningType Fixed -UseMaximumSize New-StoragePool -FriendlyName TempDBPool -StorageSubsystemFriendlyName "Windows Storage*" -PhysicalDisks $NVMe # Create pool and virtual disk for TempDB using the local NVMe, ReFS 64K, T: Drive Server startup will fail because tempdb wasn’t initialized. To make sure that the instance store volume is initialized before SQL Server starts inĬase of instance reboots or start/stop, follow the steps in the next section. ![]() You will see the tempdb files created at the new location, as shown in the followingĭelete the tempdb files from the old location. ![]() Restart SQL Server to use the new location for tempdb. Grant the SQL Server startup account permissions to the new location of the tempdbĭatabase, so it can create the tempdb files, as shown in the following ALTER DATABASE TempDB MODIFY FILE (NAME = tempdev, FILENAME = 'T:\tempdb.mdf',SIZE = 524288KB)ĪLTER DATABASE TempDB MODIFY FILE (NAME = temp2, FILENAME = 'T:\tempdb_mssql_2.ndf',SIZE = 524288KB)ĪLTER DATABASE TempDB MODIFY FILE (NAME = temp3, FILENAME = 'T:\tempdb_mssql_3.ndf',SIZE = 524288KB)ĪLTER DATABASE TempDB MODIFY FILE (NAME = temp4, FILENAME = 'T:\tempdb_mssql_4.ndf',SIZE = 524288KB)ĪLTER DATABASE TempDB MODIFY FILE (NAME = templog, FILENAME = 'T:\templog.ldf') ![]()
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