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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

John_OC
by New Contributor
  • 573 Views
  • 1 replies
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Querying on multi-node cluster on AWS does not complete

Querying in isolation mode is completely fine but when trying to run the same query using the multi-node it does complete or error out. Any assistance to troubleshoot this issue? oh, Happy New year if you're reading this.

  • 573 Views
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Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

hello John,Happy new year to you, can you please confirm what is the error message received? when you say isolation mode do you mean single node or do you refer to single user cluster while the other is shared mode?

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staskh
by Contributor
  • 2783 Views
  • 5 replies
  • 2 kudos

Resolved! S3 access credentials: Pandas vs Spark

Hi,I need to read Parquet files located in S3 into the Pandas dataframe.I configured "external location" to access my S3 bucket and havedf = spark.read.parquet(s3_parquet_file_path)working perfectly well.However, df = pd.read_parquet(s3_parquet_file_...

  • 2783 Views
  • 5 replies
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Latest Reply
Walter_C
Databricks Employee
  • 2 kudos

Yes, you understand correctly. The Spark library in Databricks uses the Unity Catalog credential model, which includes the use of "external locations" for managing data access. This model ensures that access control and permissions are centrally mana...

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nanda_
by New Contributor
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Assistance Required: Integrating Databricks ODBC Connector with Azure App Service

Hi,I have successfully established an ODBC connection with Databricks to retrieve data from the Unity Catalog in a local C# application using the Simba Spark ODBC Driver, and it is working as expected.I now need to integrate this functionality into a...

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szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @nanda_ ,So basically what you need to do is to install simba odbc driver on your Azure App Service environment. Then your code should work in the same way as in your local machine.One possibility is to use Windows or Linux Containers on Azure App...

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soumiknow
by Databricks Partner
  • 4766 Views
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Resolved! How to add 'additionallyAllowedTenants' in Databricks config or PySpark config?

I have a multi-tenant Azure app. I am using this app's credentials to read ADLS container files from Databricks cluster using PySpark dataframe.I need to set this 'additionallyAllowedTenants' flag value to '*' or a specific tenant_id of the multi-ten...

  • 4766 Views
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Latest Reply
soumiknow
Databricks Partner
  • 0 kudos

Update: Currently spark does not have this feature.

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SumeshD
by New Contributor II
  • 1246 Views
  • 2 replies
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Errors on Databricks and Terraform upgrades for DABS

Hi AllI've recently upgraded my Databricks CLI to 0.235 and Terraform provider to 1.58 locally on my machine and my DABs deployments have broken. They did work in the past with previous versions and now I can't even run Terraform -v. The command Data...

  • 1246 Views
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Latest Reply
Alberto_Umana
Databricks Employee
  • 1 kudos

Hi @SumeshD, Can you run databricks bundle debug terraform to obtain more details on the failure? The error messages you are encountering, such as "ConflictsWith skipped for [task.0.for_each_task.0.task.0.new_cluster.0.aws_attributes task.0.for_each_...

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pdiamond
by Contributor
  • 1061 Views
  • 1 replies
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Resolved! Optional JDBC Parameters in external connection

Is there any way to specify optional JDBC parameters like batchSize through the External Connections created in Unity Catalog? (specifically I'm trying to speed up data retrieval from a SQL Server database)

  • 1061 Views
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Walter_C
Databricks Employee
  • 0 kudos

As per information I found internally seems that this option is not currently supported.

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Redford
by New Contributor
  • 5872 Views
  • 3 replies
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Can I configure Notebook Result Downloads with Databricks CLI , API or Terraform provider ?

I'm Databricks Admin and I'm looking for a solution to automate some Security Workspace settings.Those are:Notebook result downloadSQL result downloadNotebook table clipboard featuresI can't find these options in the Databricks terraform provider, Da...

  • 5872 Views
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Latest Reply
nkraj
Databricks Employee
  • 1 kudos

Hi @Redford, With the Databricks API, you have the capability to toggle the following features: Enable/Disable Features Notebook result download (key name: enableResultsDownloading)Notebook table clipboard features (key name: enableNotebo...

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jakubk
by Contributor
  • 3220 Views
  • 7 replies
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unknown geo redundancy storage events (& costs) in azure databricks resource group

Hi All,I'm after some guidance on how to identify massive (100000%) spikes in bandwidth usage (and related costs) in the azure databricks provisioned/managed resource group storage account & stop themThese blips are adding 30-50% to our monthly costs...

jakubk_0-1733707523442.png
  • 3220 Views
  • 7 replies
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Latest Reply
Alberto_Umana
Databricks Employee
  • 0 kudos

Thanks for opening a case with us, we will have a look at it.

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F_Goudarzi
by New Contributor III
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Unity catalog meta store is created within undesired storage account

I came to know that our unity catalog meta store has been created in the default storage account of our databricks workspace and this storage account has some system denied access policies, therefore we don't have access to see the data inside. I'm w...

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Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

You will need to backup the current metastore including the metadata and then start recreating the catalogs, schemas and tables on the new metastore.

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santosh23
by New Contributor III
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Update existing Metastores in AWS databricks

Hello Team,I am unable to update the Existing Metastore in my AWS databricks. I have new aws account and I am trying to update my existing workspace, however I am unable to update the s3 bucket details and Network configuration ( greyed out )  in the...

  • 2054 Views
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Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

Unfortunately there is no way to move the state of the workspace manually so based on this the solution will be to recreate the workspace and migrate the data

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Takuya-Omi
by Valued Contributor III
  • 2475 Views
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How Can a Workspace Admin Grant Workspace Admin Permissions to a Group?

I want to grant Workspace Admin permissions to a group instead of individual users, but I haven’t found a way to do this. I considered assigning permissions by adding the group to the Databricks-managed 'admins' group (establishing a parent-child rel...

  • 2475 Views
  • 3 replies
  • 1 kudos
Latest Reply
Alberto_Umana
Databricks Employee
  • 1 kudos

No problem! I will check internally if there is any feature request of this nature. You can use the "admins" group for adding admin users or SPs.

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JissMathew
by Valued Contributor
  • 1538 Views
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Resolved! DLT TABLES schema mapping

how we map table that in delta live table to a bronze , sliver , gold schema ? is that possible to store in different schema the dlt tables?? 

  • 1538 Views
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JissMathew
Valued Contributor
  • 1 kudos

@Walter_C  Thank you 

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TatiMun
by New Contributor II
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AzureDevOps Repos Databricks update via pipeline not working

Hi all, im working with Azure DevOps and Databricks, using an app registration which it has permission on AzureDevOps and inside databricks as manager,user and in the group admins so it has permission over the repos.Im doing a pipeline to update or c...

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Walter_C
Databricks Employee
  • 0 kudos

Hello @TatiMun thanks for your question, can we review the following: Verify Remote URL: Double-check that the remote Git repo URL associated with the REPO_ID in Databricks is correct and accessible.Check PAT Permissions: Ensure that the Personal Acc...

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VJ3
by Contributor
  • 2661 Views
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Security Consideration for OAUTH Secrets to use Service Principal to authenticate with Databricks

What are the security consideration we need to keep in mind when we want to us OAUTH Secrets to use a Service Principal to access Azure Databricks when Identity federation is disabled and workspace is not yet on boarded on to Unity Catalog? Can we co...

  • 2661 Views
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Latest Reply
Rob_Lemmens
New Contributor III
  • 1 kudos

Any updates on this?Also struggling with the OAuth security considerations. Specifically with updating the OAuth Secrets.Currently using a SP to access Databricks workspace for DevOps purposes through the Databricks CLI.I have the SP set up to renew ...

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Th0r
by New Contributor II
  • 1927 Views
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Database Error in model Couldn't initialize file system for path abfss://

Recently the following error ocurs when running DBT:Database Error in model un_unternehmen_sat (models/2_un/partner/sats/un_unternehmen_sat.sql)Couldn't initialize file system for path abfss://dp-ext-fab@stcssdpextfabprd.dfs.core.windows.net/__unitys...

  • 1927 Views
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Latest Reply
filipniziol
Esteemed Contributor
  • 0 kudos

Hi @Th0r ,Here is the explanation:Shallow clones in Databricks rely on references to data files of the original table. If the original table is dropped, recreated, or altered in a way that changes its underlying files, the shallow clone’s references ...

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