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Administration & Architecture
Explore discussions on Databricks administration, deployment strategies, and architectural best practices. Connect with administrators and architects to optimize your Databricks environment for performance, scalability, and security.
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Forum Posts

pranav_
by New Contributor
  • 418 Views
  • 1 replies
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How to Query All the users who have access to a databricks workspace?

Hi There,I'm new to Databricks and we currently have a lot of users among different groups having access to a databricks workspace. I would like to know how I could query the users, groups and Entitlements of each groups using SQL or the API. Incase ...

  • 418 Views
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tejaskelkar
New Contributor II
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To query all users who have access to a Databricks workspace, you can follow these steps:1. Check Workspace Users via Admin ConsoleIf you are a workspace admin, navigate to the Admin Console in the Databricks UI. Under the "Users" tab, you can view a...

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borft
by New Contributor
  • 296 Views
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Databricks on GCP admin console access

Hi,I'm trying to update the GCP permissions for Databricks as described here: https://docs.databricks.com/gcp/en/admin/cloud-configurations/gcp/gce-updateTo be able to do that, I have to log in to the account console here: https://accounts.gcp.databr...

  • 296 Views
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SANJAYKJ
by New Contributor II
  • 186 Views
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Spark Executor - Parallelism Question

I was reading the book Spark: The Definitive Guide, I came across below statement in Chapter 2 on partitions."If you have many partitions but only one executor, Spark will still have a parallelism of only one because there is only one computation res...

  • 186 Views
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Isi
Contributor III
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Hey @SANJAYKJ It is correct in the sense that a single executor is a limiting factor, but the actual parallelism within that executor depends on the number of cores assigned to it. If you want to leverage multiple partitions effectively, you either n...

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mrstevegross
by Contributor III
  • 1179 Views
  • 4 replies
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Resolved! Possible to programmatically adjust Databricks instance pool more intelligently?

We'd like to adopt Databricks instance pool in order to reduce instance-acquisition times (a significant contributor to our test latency). Based on my understanding of the docs, the main levers we can control are: min instance count, max instance cou...

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Isi
Contributor III
  • 0 kudos

Hi Steve,If the goal is to pre-warm 100 instances in the Databricks Instance Pool, you could create a temporary job that will request instances from the pool. This ensures that Databricks provisions the required instances before the actual test run.T...

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ErikApption
by New Contributor II
  • 662 Views
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Notebook runs not found due to retention limits with dbutils.notebook.run

We saw this odd error in an AWS deployment, we have one notebook calling another one through dbutils.notebook.run(...) and this suddenly stopped working and failed with "Notebook runs not found due to retention limits", the "learn more" points to Dat...

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Isi
Contributor III
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Hey @ErikApption ,Maybe I am wrong but I will give you my opinion.Each time you execute dbutils.notebook.run(), it launches a new and independent execution within the same cluster. So, if you run the cell today and then run it again tomorrow, there s...

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tom_1
by New Contributor III
  • 324 Views
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Customer Managed VPC: Databricks IP Address Ranges

Hello,how often does Databricks change its public ip addresses (the ones that must be whitelisted in a customer managed vpc) and where can I find them?I found this list, but it seems to be incomplete.We moved from a managed vpc to a customer-managed ...

  • 324 Views
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zsucic1
by New Contributor III
  • 9228 Views
  • 3 replies
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Current Azure Managed Identity capabilities 2024?

Hello everyone, I have a few questions about MI capabilites: Is it possible to define a managed identity for Azure Databricks Service resource and use it for e.g.: Writing to Azure SQL Server database Authenticating to Azure Devops in order to downlo...

  • 9228 Views
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zsucic1
New Contributor III
  • 1 kudos

Kaniz, thank you very much, you are the best! I will get to work implementing your advice

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sam_tw
by New Contributor II
  • 652 Views
  • 1 replies
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Resolved! Community Edition - Photon enabled possible?

Is it possible to use a photon enabled cluster in the community edition? I want to use DBR 13.3 LTS, but choosing that there is no option to enable photon.  I want to use test the spatial functionality in Databricks library Mosiac, and appears photon...

  • 652 Views
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Latest Reply
Stefan-Koch
Valued Contributor II
  • 1 kudos

Hi @sam_tw Photon is not available in Community Edition

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SarahA
by New Contributor II
  • 720 Views
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Resolved! Databricks app - permissions needed

Hi. I am trying to create a new databricks app and I get the following error"Failed to create app [appname]. User does not have permission to grant resource sql-warehouse."Can someone tell me what level of access I require in order to generate a data...

  • 720 Views
  • 1 replies
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LRALVA
Contributor II
  • 1 kudos

Hi @SarahA ,Requied Permissions to Create a Data AppYou'll need the following permissions in Databricks:Permission Required Role / Grant Purpose CAN MANAGE on the SQL WarehouseSQL Warehouse Admin or OwnerTo manage warehouse settings and assign it to ...

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DavidSzedlak
by New Contributor
  • 300 Views
  • 2 replies
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Mismatch of Columns in databricks vs Athena.

We are trying to expose one of our external tables to databricks via unity catalog, but we are having an issue with column mismatch, ie few of our columns are not visible in databricks. Is this a known issue? If so, can anyone best advise me on where...

  • 300 Views
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LRALVA
Contributor II
  • 0 kudos

Hi @DavidSzedlak ,1.  Unity Catalog caches metadata for performance. If new columns were added to the source table after the initial creation, they may not be reflected.Run the following command to refresh metadata: ALTER TABLE <catalog>.<schema>.<ta...

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kch
by New Contributor II
  • 570 Views
  • 3 replies
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Timeout on docker pull in Databricks Container Services

Hello,There is a timeout that limits the size of images used in Docker Container Service. When using images containing large ML libraries, the size often exceeds the limit that could be pulled. Is there any plan to add parametrization of this timeout...

  • 570 Views
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kch
New Contributor II
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Are there any new or planned changes in the policy?

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AlbertWang
by Valued Contributor
  • 5372 Views
  • 10 replies
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What is the best practice for connecting Power BI to Azure Databricks?

I refer this document to connect Power BI Desktop and Power BI Service to Azure Databricks.Connect Power BI to Azure Databricks - Azure Databricks | Microsoft LearnHowever, I have a couple of quesitions and concerns. Can anyone kindly help?It seems l...

  • 5372 Views
  • 10 replies
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sandeepmankikar
New Contributor III
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To securely connect Power BI to Azure Databricks, avoid using PATs and instead configure a Databricks Service Principal with SQL Warehouse access. Power BI Service does not support Client Credential authentication, so Service Principal authentication...

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Aaron_Wong
by New Contributor II
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  • 8 replies
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How do I simply disable someone's user account

I'm trying to do something seemingly very simple - disable someone's user account. I don't even want to delete the user, just disable it for the time being. How do I go about doing that? 

  • 1516 Views
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maaz1
New Contributor II
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 In Databricks, go to the Admin Console.Navigate to the Service Principals section.Create a Service Role (make sure it has necessary permissions (Admin Access).Generate OAuth TokenFollow the instructions in the Databricks documentation to generate ap...

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harripy
by New Contributor III
  • 1861 Views
  • 2 replies
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Proper way to collect Statement ID from JDBC Connection

Hi, We are executing DML calls on Databricks SQL Warehouse programmatically, with Java and Python.There can be thousands of executions running on daily level, so in case of an error occurs, it would be very beneficial to spot the Statement ID of the ...

  • 1861 Views
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oprime
New Contributor II
  • 0 kudos

Found a way to extract it for below dbx-java library.-> databricks-jdbc library version : `2.6.32` private static String extractQueryIdFromDbxStatement(Hive42PreparedStatement statement) { byte[] guid = ((HiveJDBCNativeQueryExecutor) state...

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