Azure Data Factory is a powerful tool, offering a vast range of possibilities, though it can be a bit intricate in terms of pricing and architecture. It’s very dear to me, as I appreciate it for many improvements and conveniences compared to its ancestor, SQL Server Integration Services. However, yearsCzytaj dalej / Read more
Category: Azure
Azure [EN]
Understanding the 4-Minute SLA in Azure Data Factory Activities
SLA of the Azure Data Factory service This might be the first time you’re hearing this, but the Azure Data Factory service does NOT GUARANTEE an immediate or even a few seconds’ delay in starting any single activity in your pipelines! In fact, the guarantee for execution time is justCzytaj dalej / Read more
The fastest and cheapest way to transfer data between Storage Accounts in Azure?
My recommendation: azcopy ! And no! You don’t need a machine with fast internet to mediate the transfer. The service allows data transfer through an internal backbone using the storage-to-storage API. My throughput was about 5.6 GB per second (yes, gigabytes, not gigabits)! Of course, there are a few keyCzytaj dalej / Read more
Exporting data to PARQUET file and ADLS Gen2 using Azure Synapse Serverless
Exporting query data is quite simple as one-two-three: One: define your file format
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CREATE EXTERNAL FILE FORMAT parquetfile1 WITH ( FORMAT_TYPE = PARQUET, DATA_COMPRESSION = 'org.apache.hadoop.io.compress.SnappyCodec' ); |
Two: define your file location (note: you should have read/write/list permission the path)
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CREATE EXTERNAL DATA SOURCE ADLS_DS WITH( LOCATION = 'abfss://synapse@deltapoc0storage0dest.dfs.core.windows.net') |
Three: Create external table in particular location, using format and path from previous steps:
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CREATE EXTERNAL TABLE dbo.n10M WITH ( LOCATION = '/n10M', DATA_SOURCE = ADLS_DS, FILE_FORMAT = parquetfile1 ) AS WITH lv0 AS (SELECT 0 g UNION ALL SELECT 0) ,lv1 AS (SELECT 0 g FROM lv0 a CROSS JOIN lv0 b) -- 4 ,lv2 AS (SELECT 0 g FROM lv1 a CROSS JOIN lv1 b) -- 16 ,lv3 AS (SELECT 0 g FROM lv2 a CROSS JOIN lv2 b) -- 256 ,lv4 AS (SELECT 0 g FROM lv3 a CROSS JOIN lv3 b) -- 65,536 ,lv5 AS (SELECT 0 g FROM lv4 a CROSS JOIN lv4 b) -- 4,294,967,296 ,Tally (n) AS (SELECT ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) FROM lv5) SELECT TOP (10000000) n1=n, n2=n, n3=n, n4=n, n5=n, n6=n, n7=n, n8=n, n9=n, n10=n FROM Tally |
Took 43sec toCzytaj dalej / Read more
Azure Active Directory – inviting users when you are not an AAD admin
By default, all users, including guests, can invite guest users. Isn’t it beautiful? No, it’s not! Definitely not if you are an AAD admin. So treat this post as a warning. Your users, including !!guest users!! can invite other users to your AAD by default. If you are ok withCzytaj dalej / Read more
Worth watching! EightKB – SQL Server Internals Conference 17.06.2020
Most of the lectures at conferences focus on general topics, often at a basic level to introduce the listener to a certain area, just to interest him. And there are only a few that I come out with a head full of detailed technical knowledge, very useful in understanding theCzytaj dalej / Read more
Are you looking for a Client ID but actually you don’t have permission to access Azure Active Directory?
That was my case. And to be honest it wasn’t easy to find the solution, although the solution is pretty easy 😉 All pages that I visited are describing on how to do it but using only Active Directory within the portal… The truth is, that even if you can’tCzytaj dalej / Read more
Azure Bastion – creating proper NSG rules
Just in case someone came across a problem defining proper nsg rules for Azure Bastion… Well, here they are: Works like a charm 😀 And below the ARM for it:
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{ "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#", "contentVersion": "1.0.0.0", "parameters": { "projectPrefix": { "type": "string", "metadata": { "description": "Prefix for the name of resources." } }, "resourceLocation": { "type": "string", "defaultValue": "[resourceGroup().location]", "metadata": { "description": "Location for all resources." } } }, "variables": { "nsgName": "[concat(parameters('projectPrefix'), 'NSG-Bastion')]" }, "resources": [ { "type": "Microsoft.Network/networkSecurityGroups", "apiVersion": "2019-09-01", "name": "[variables('nsgName')]", "location": "[parameters('resourceLocation')]", "properties": { "securityRules": [ { "name": "InboundFromAny", "properties": { "description": "Allow connection from any host on https.", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "443", "sourceAddressPrefix": "*", "destinationAddressPrefix": "*", "access": "Allow", "priority": 100, "direction": "Inbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } }, { "name": "InboundFromGM", "properties": { "description": "This enables the control plane, that is, Gateway Manager to be able to talk to Azure Bastion.", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "443", "sourceAddressPrefix": "GatewayManager", "destinationAddressPrefix": "*", "access": "Allow", "priority": 120, "direction": "Inbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } }, { "name": "OutboundToVNET_SSH", "properties": { "description": "Egress Traffic to target VMs: Azure Bastion will reach the target VMs over private IP and SSH port", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "22", "sourceAddressPrefix": "*", "destinationAddressPrefix": "VirtualNetwork", "access": "Allow", "priority": 120, "direction": "Outbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } }, { "name": "OutboundToVNET_RDP", "properties": { "description": "Egress Traffic to target VMs: Azure Bastion will reach the target VMs over private IP and RDP port", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "3389", "sourceAddressPrefix": "*", "destinationAddressPrefix": "VirtualNetwork", "access": "Allow", "priority": 110, "direction": "Outbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } }, { "name": "OutboundHTTPStoAzureCloud", "properties": { "description": "Egress Traffic to other public endpoints in Azure", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "443", "sourceAddressPrefix": "*", "destinationAddressPrefix": "AzureCloud", "access": "Allow", "priority": 100, "direction": "Outbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } } ] } }, { "type": "Microsoft.Network/networkSecurityGroups/securityRules", "apiVersion": "2019-09-01", "name": "[concat(variables('nsgName'), '/InboundFromAny')]", "dependsOn": [ "[resourceId('Microsoft.Network/networkSecurityGroups', variables('nsgName'))]" ], "properties": { "description": "Allow connection from any host on https.", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "443", "sourceAddressPrefix": "*", "destinationAddressPrefix": "*", "access": "Allow", "priority": 100, "direction": "Inbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } }, { "type": "Microsoft.Network/networkSecurityGroups/securityRules", "apiVersion": "2019-09-01", "name": "[concat(variables('nsgName'), '/InboundFromGM')]", "dependsOn": [ "[resourceId('Microsoft.Network/networkSecurityGroups', variables('nsgName'))]" ], "properties": { "description": "This enables the control plane, that is, Gateway Manager to be able to talk to Azure Bastion.", "protocol": "TCP", "sourcePortRange": "*", "sourceAddressPrefix": "GatewayManager", "destinationAddressPrefix": "*", "access": "Allow", "priority": 120, "direction": "Inbound", "sourcePortRanges": [ ], "destinationPortRanges": [ "443", "4443" ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } }, { "type": "Microsoft.Network/networkSecurityGroups/securityRules", "apiVersion": "2019-09-01", "name": "[concat(variables('nsgName'), '/OutboundHTTPStoAzureCloud')]", "dependsOn": [ "[resourceId('Microsoft.Network/networkSecurityGroups', variables('nsgName'))]" ], "properties": { "description": "Egress Traffic to other public endpoints in Azure", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "443", "sourceAddressPrefix": "*", "destinationAddressPrefix": "AzureCloud", "access": "Allow", "priority": 100, "direction": "Outbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } }, { "type": "Microsoft.Network/networkSecurityGroups/securityRules", "apiVersion": "2019-09-01", "name": "[concat(variables('nsgName'), '/OutboundToVNET_RDP')]", "dependsOn": [ "[resourceId('Microsoft.Network/networkSecurityGroups', variables('nsgName'))]" ], "properties": { "description": "Egress Traffic to target VMs: Azure Bastion will reach the target VMs over private IP and RDP port", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "3389", "sourceAddressPrefix": "*", "destinationAddressPrefix": "VirtualNetwork", "access": "Allow", "priority": 110, "direction": "Outbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } }, { "type": "Microsoft.Network/networkSecurityGroups/securityRules", "apiVersion": "2019-09-01", "name": "[concat(variables('nsgName'), '/OutboundToVNET_SSH')]", "dependsOn": [ "[resourceId('Microsoft.Network/networkSecurityGroups', variables('nsgName'))]" ], "properties": { "description": "Egress Traffic to target VMs: Azure Bastion will reach the target VMs over private IP and SSH port", "protocol": "TCP", "sourcePortRange": "*", "destinationPortRange": "22", "sourceAddressPrefix": "*", "destinationAddressPrefix": "VirtualNetwork", "access": "Allow", "priority": 120, "direction": "Outbound", "sourcePortRanges": [ ], "destinationPortRanges": [ ], "sourceAddressPrefixes": [ ], "destinationAddressPrefixes": [ ] } } ] } |
Azure Databricks deployment and error: SubnetMissingRequiredDelegation – VNet injection problem
The problem Are you surprised by the following error messages? Resource Microsoft.Databricks/workspaces [workspacename] failed with message : ResourceDeploymentFailure SubnetMissingRequiredDelegation Failed to prepare subnet. Please try again later? Sure, I was too 🙂 So, what the heck is going on? May I ask if you have used the benefits of theCzytaj dalej / Read more
Maximum length of ADLS Gen2 path (and directory/file name)
Yeap 😐 If anyone was interested in this topic and did not find the answer in the official documentation (at least not explicitly), the answer is just above. I was wondering how far you could go in creating the directory path. I only found the limit given for anCzytaj dalej / Read more