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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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ambigus9
by • Contributor
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Resolved! Failed to add 3 workers to the compute. Will attempt retry: true. Reason: Driver unresponsive

Currently I trying to Create a Compute Cluster on a Workspaces with Privatelink and Custom VPC.I'm using Terraform: https://registry.terraform.io/providers/databricks/databricks/latest/docs/guides/aws-private-link-workspaceAfter the deployment is com...

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Administration & Architecture
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Alberto_Umana
Databricks Employee
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Hi @ambigus9, Looks like based on connectivity test to the RDS it's not working. Can you check if there is any Firewall blocking the request, since connection is not going through the RDS.

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xecel
by • New Contributor II
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Resolved! How to Retrieve Admin and Non-Admin Permissions at Workspace Level in Azure Databricks.

Hello,I am working on a project to document permissions for both admins and non-admin users across all relevant objects at the workspace level in Azure Databricks (e.g., tables, jobs, clusters, etc.).I understand that admin-level permissions might be...

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Walter_C
Databricks Employee
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In Databricks the object permissions are based in the object itself and not the user. Unfortunately as of now there is no way to get all the objects permissions in a single built in query.There is custom options as for example for clusters, first run...

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kunalmishra9
by • New Contributor III
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Resolved! Databricks Connect: Enabling Arrow on Serverless Compute

I recently upgraded my Databricks Connect version to 15.4 and got set up for Serverless, but ran into the following error when I ran the standard code to enable Arrow on Pyspark: >>> spark.conf.set(key='spark.sql.execution.arrow.pyspark.enabled', val...

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kunalmishra9
New Contributor III
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Gotcha, thanks! Missed it in the limitations.

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ashraf1395
by • Honored Contributor
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Can we change our cloud service connected with our Databricks account

We are moving from old aws account to azure account. Is there any way. I can migrate my old databricks account to this new azure account.I have my Databricks partner workspace access with this Databricks account. That's the reason, I want to keep thi...

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Walter_C
Databricks Employee
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Unfortunately I am not able to find a way to move the workspace, if you have an account representative within Databricks I will suggest to reach out to see any options you can have to migrate also this credits if possible  

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LMe
by • New Contributor
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Get a static IP for my Databricks App

Hello,I'm trying to find how to set-up a static IP for a Azure Databricks App. I tried to set-up a NAT gateway to have a static IP for the workspace, but it doesn't change anything, I still can't access my OpenAI ressource even if I authorize the NaT...

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TechGuy329
New Contributor II
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Hi, I’m following up here as I have the same issue. Did the solution provided in the replies help resolve this for you?

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drumcircle
by • New Contributor II
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Determining spill from system tables

I'm trying to optimize machine selection (D, E, or L types on Azure) for job clusters and all-purpose compute and am struggling to identify where performance is sagging on account of disk spill.  Disk spill would suggest that more memory is needed.  ...

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Walter_C
Databricks Employee
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For historical diagnostics, you might need to consider setting up a custom logging mechanism that captures these metrics over time and stores them in a persistent storage solution, such as a database or a logging service. This way, you can query and ...

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rtreves
by • Contributor
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Resolved! Permissions error on cluster requirements.txt installation

Hi Databricks Community,I'm looking to resolve the following error:Library installation attempted on the driver node of cluster {My cluster ID} and failed. Please refer to the following error message to fix the library or contact Databricks support. ...

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rtreves
Contributor
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Noting here for other users: I was able to resolve the issue on a shared cluster by cloning the cluster and using the clone.

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ambigus9
by • Contributor
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PrivateLink Validation Error - When trying to access to Workspace

We have a workspace that had been deployed on AWS customer architecture using Terraform privatelink: https://registry.terraform.io/providers/databricks/databricks/latest/docs/guides/aws-private-link-workspaceThe fact is when we disable the Public Acc...

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Administration & Architecture
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Walter_C
Databricks Employee
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Can you share your workspace id so I can do a validation?  

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jjsnlee
by • New Contributor II
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Can't create cluster in AWS with p3 instance type

Hi, I'm trying to create a `p3.2xlarge` in my workspace, but the cluster fails to instantiate, specifically getting this error message: `No zone supports both the driver instance type [p3.2xlarge] and the worker instance type [p3.2xlarge]` (though I ...

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jjsnlee
New Contributor II
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Yes sorry for the double post (I couldn't figure out how to delete this one)

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John_OC
by • New Contributor
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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.

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Walter_C
Databricks Employee
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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 • New Contributor III
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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_...

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Walter_C
Databricks Employee
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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
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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 • Contributor
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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...

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soumiknow
Contributor
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Update: Currently spark does not have this feature.

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vishwas7
by • New Contributor II
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Using logged in user's identity in Databricks Apps

Hi Databricks Community, I recently started using Datbricks apps where I list some schemas and tables in the UI.What I explicitly want to do is only show the schemas and tables on which user actually have permission. Currently the databricks apps wou...

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vishwas7
New Contributor II
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Hi @Walter_C , thanks for the quick reply. I understood the functioning of above stated Service Principal and Permission Management.In my scenario, I have a schema 'S' with table T1(with user U1 Read, user U2 - Read Permission) and T2(user U1 Read pe...

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