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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

gardenmap
by New Contributor II
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How to Optimize Delta Table Performance in Databricks?

I'm working with large Delta tables in Databricks and noticing slower performance during read operations. I've already enabled Z-ordering and auto-optimize, but it still feels sluggish at scale. Are there best practices or settings I should adjust fo...

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igorborba
New Contributor II
  • 1 kudos

Hi @gardenmap, if possible can you detail more?For example, in my case what I've done:For tables above 1TB as it's can segregated by date, we've decided to enable a partition by the date column;Independent if it's partitioned or not, we decided to ma...

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leo-machado
by New Contributor III
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Refresh permission on Lakeview Dashboard

Hi folks!I'm sure I'm not the only one, but our users have the tendency to click the big Refresh button on all dashboards every time they open them.Using resources efficiently is something I value deeply, so our team came up with a schedule policy - ...

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holly
Databricks Employee
  • 6 kudos

Hey @leo-machado , yes I did request it formally and shared this post with the team - heads up, once something has been prioritised it can still take between 6-18 months to build.

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antonionuzzo
by New Contributor III
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restrict workspace admin from creating service principal

Hello,I would like to restrict workspace admins from creating service principals and leave this privilege only to the account admin. Is this possible? I am aware of the RestrictWorkspaceAdmins command, but it does not meet my needs. Additionally, I h...

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Advika
Community Manager
  • 1 kudos

Hello @antonionuzzo! Based on the documentation and my understanding, there isn’t a built-in way to restrict the creation of service principals exclusively to account admins. And as you mentioned, the RestrictWorkspaceAdmins setting doesn’t cover thi...

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Th0rs7en
by New Contributor II
  • 2587 Views
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How to enable / setup OAuth for DBT with Databricks

I tried configure / setup DBT to authenticate with OAuth to Databricks, following the tutorials https://community.databricks.com/t5/technical-blog/using-dbt-core-with-oauth-on-azure-databricks/ba-p/46605 and https://docs.databricks.com/aws/en/partner...

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Louis_Frolio
Databricks Employee
  • 0 kudos

Here are some things to consider: Debugging and Setting Up OAuth Authentication with dbt and Databricks Steps to Analyze and Setup Authentication: 1. Verify Credentials and Configuration: - Double-check the auth_type: oauth is correctly specified, as...

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m_weirath
by New Contributor II
  • 4647 Views
  • 1 replies
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Cannot remove users group "CAN_MANAGE" from /Shared

I have a Unity Catalog enabled workspace and I have full privileges including Account Admin.  I would like to be able to remove the "CAN_MANAGE" privilege from the "users" group.  According to the documentation, this should be possible.  According to...

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NandiniN
Databricks Employee
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Hi, Can you please share the entire stacktrace to the cause of Cannot modify permissions of directory. Thanks!

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GeorgeFmz
by New Contributor II
  • 3165 Views
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Serverless python version

In the documentation about serverless compute release notes, it is stated that "Serverless compute for notebooks and jobs uses environment versions", and that "Serverless compute always runs using the most recently released version listed here.". At ...

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Walter_C
Databricks Employee
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It seems the configuration aligns with doc https://docs.databricks.com/aws/en/release-notes/serverless/environment-version-two which specifies that the Python version in 3.11.10

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antonionuzzo
by New Contributor III
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Resolved! service principal control plane access management

hi, our account admin has created a service principal to automate job execution. however, our security team is concerned that, by design, anyone with the service principal credentials might access the control plane, where the service principal is def...

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Latest Reply
Walter_C
Databricks Employee
  • 1 kudos

On the docs it states: Service principals give automated tools and scripts API-only access to Databricks resources, providing greater security than using users accounts.https://docs.databricks.com/gcp/en/admin/users-groups/service-principals#what-is-...

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lucasbergamo
by New Contributor
  • 1195 Views
  • 1 replies
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Issue with Verification Code Input on Login

Hello, I hope you're well.​I'd like to report a bug encountered when entering the verification code to log into the platform. When I type the code without Caps Lock enabled, the input field displays the characters in uppercase, but the code isn't acc...

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Advika
Community Manager
  • 0 kudos

Hello @lucasbergamo! Thank you for bringing this to our attention. I'll share this with the relevant team for further investigation. In the meantime, as a workaround you can continue using Caps Lock while entering the verification code to log in.

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ashokz
by New Contributor II
  • 2777 Views
  • 1 replies
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Is it possible expand/extend subnet CIDR of an existing azure databricks workspace

Is it possible expand/extend subnet CIDR of an existing azure databricks workspace. Currently our workspace is maxed out, Is it possible expand/extend subnet CIDR of an existing azure databricks workspace without having create a new one

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Louis_Frolio
Databricks Employee
  • 0 kudos

Yes, it is possible to expand or extend the subnet CIDR of an existing Azure Databricks workspace without creating a new one, but this capability is specifically applicable if the workspace is deployed with VNet injection.   For workspaces that use V...

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noorbasha534
by Valued Contributor II
  • 10409 Views
  • 3 replies
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Azure Databricks Status

Dear all,I wanted to check if anyone implemented the solution of capturing information from Databricks status page in real-time 24x7 and load that into a log or table...https://learn.microsoft.com/en-us/azure/databricks/resources/statuswhat is the be...

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TheRealOliver
Databricks Partner
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It seems that the webhook is the way!There is nothing about system status in Databricks REST API.There is nothing about system status in the System Tables schema.

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david_btmpl
by New Contributor II
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for_each_task with pool clusters

I am trying to run a `for_each_task` across different inputs of length `N` and `concurrency` `M` where N >> M.  To mitigate cluster setup time I want to use pool clusters.Now, when I set everything up, I notice that instead of `M` concurrent clusters...

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SP_6721
Honored Contributor II
  • 2 kudos

Hi @david_btmpl When you set up a Databricks workflow using for_each_task with a cluster pool (instance_pool_id), Databricks will, by default, reuse the same cluster for all concurrent tasks in that job. So even if you’ve set a higher concurrency (li...

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janhouf
by New Contributor II
  • 4693 Views
  • 2 replies
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Query has been timed out due to inactivity.

Hi,We're experiencing an issue with SQL Serverless Warehouse when running queries through the dbx-sql-connector in Python. The error we get is: "Query has been timed out due to inactivity."This happens intermittently, even for queries that should com...

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AiswaryaS
New Contributor II
  • 3 kudos

Getting the same error while trying to run Tableau flow on Databricks. Is there a solution for this issue?

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naumanmunir
by New Contributor II
  • 2814 Views
  • 1 replies
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Service Principal Authentication / Terraform

Hello Databricks Community,I'm encountering an issue when trying to apply my Terraform configuration to create a Databricks MWS network on GCP. The terraform apply command fails with the following error: Error: cannot create mws networks: failed duri...

  • 2814 Views
  • 1 replies
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Latest Reply
mnorland
Valued Contributor II
  • 2 kudos

Databricks account-level APIs can only be called by account owners and account admins and can only be authenticated using Google-issued OIDC tokens.In Terraform 0.13 and later, data resources have the same dependency resolution behavior as defined fo...

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jreh
by Databricks Partner
  • 7907 Views
  • 7 replies
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Exact cost for job execution calculation

Hi everybody,I want to calculate the exact cost of single job execution. In all examples I can find on the internet it uses the tables system.billing.usage and system.billing.list_prices. It makes sense to calculate the sum of DBUs consumed and multi...

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vziog
New Contributor III
  • 2 kudos

And what about the costs for the disks of the VMs of the cluster?

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Teo12333
by New Contributor II
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Impossible to access Terraform created external location?!

Hi all,There seems to be an external location created that nobody within the organization can actually see or manage, because it has been created with a Google service account in Terraform.Here is the problem:DESCRIBE EXTERNAL LOCATION `gcsbucketname...

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mnorland
Valued Contributor II
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I would agree that the metastore admin(s) should be able to see the external location.  This issue can happen with terraform scripts if the script doesn't grant additional rights on the external location.

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