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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

jx1226
by New Contributor III
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Cross-tenant networking two orgs on Azure

Hi Databricks Community,For one client, we are looking for best practices, steps to establish cross-tenant networking and landing zones between two organizations. The current situation is that the source systems are in one organization, while the Azu...

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NandiniN
Databricks Employee
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Cross posting https://community.databricks.com/t5/administration-architecture/databricks-azure-cross-tenant-connection-to-storage-account/td-p/82491#:~:text=I%20tested%20the%20connection%20to,when%20tested%20from%20this%20VM. 

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MarcoRezende
by New Contributor III
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It's possible to sync account group/user to workspace without the need to do it manually?

I am using Databricks SCIM for my Databricks Account, so when i add a user or group in the SCIM connector, the user or group its created in Databricks Account. After this, i need to manually assign the user/group to the workspaces. My boss wants to o...

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saurabh18cs
Honored Contributor II
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Hi , I agree with @Rjdudley EntraID groups are better 

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Mihai_LBC
by New Contributor II
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Resolved! Table size information display

Hi,I have a problem with displaying information about the size of my tables.This information is visible several times, but after a while it disappears again.I need to undestand what is happen, and why this information is not available all the time on...

Information available.png Missing information.png
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JakubSkibicki
Contributor
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In general you need a cluster or warehouse to be active for those detail to be presented.   

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axelboursin
by New Contributor II
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Need to create an Identity Federation between my Databricks workspace/account and my AWS account

Hello,I need to set up an identification between my Databricks workspace/account and my AWS account, where Databricks is already deployed.The goal is to make an easy authentification without access and secret keys.So I thought that OIDC will be the s...

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dbuserng
by New Contributor II
  • 858 Views
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Driver: how much memory is actually available?

I have a cluster where Driver type is Standard_DS3_v2 (14GB Memory and 4 Cores). When I use free -h command in Web terminal (see attached screenshot) I get the response that I only have 8.9GB memory available on my driver - why is that?fyi, spark.dri...

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Sidhant07
Databricks Employee
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Hi @dbuserng , The free -h command in the web terminal shows only 8.9GB of available memory on your driver, which is a Standard_DS3_v2 instance with 14GB of memory, because Databricks has services running on each node. This means the maximum allowabl...

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dbuserng
by New Contributor II
  • 616 Views
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JVM Heap Memory Graph - more memory used than available

I'm analyzing the memory usage of my Spark application and I see something strange when checking JVM Heap Memory Graph (see screenshot below). Each line on the graph is representing one executor.Why the memory usage sometimes reaches over 10GB, when ...

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Sidhant07
Databricks Employee
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Hi @dbuserng , The memory usage in your Spark application can exceed the spark.executor.memory setting of 7GB for several reasons: • Off-Heap Memory Usage: Spark allows for off-heap memory allocation, which is not managed by the JVM garbage collector...

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sruthianki
by New Contributor II
  • 1107 Views
  • 4 replies
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photon is being used by a job or not

We have lots of customers using many job as well as interactive clusters with photon enabled which is drastically increasing the cost .We would like to know if there is any table in system or any details that we can get through API that lists if the ...

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Sidhant07
Databricks Employee
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Hi @sruthianki , If you want to check if the job is really using photon or not you can check the SQL query plan in spark UI for its stages and the metrics will highlighted in yellow colour.

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Kroy
by Contributor
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How to Know DBU consumption in azure databricks ?

In Azure portal - Billing we can get the COST but how to know How much DBU is consumed ?

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odoll
New Contributor II
  • 1 kudos

There was a promo on serverless early 2024 at the time which at some point got extended, and was bigger depending where you were.

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Veilraj
by New Contributor II
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Configuration of NCC for Serverless to access SQL server running in a Azure VM

Hi Team, I am following this link to configure NCC for a Serverless compute to access a SQL Server running in a Azure VM. https://learn.microsoft.com/en-us/azure/databricks/security/network/serverless-network-security/This references to adding privat...

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shhhhhh
New Contributor III
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also interested in doing this.  Have federated queries for Classic Databricks cluster pointing to SQL server, but can't find documentation for Serverless plane connecting to SQL server on a VM

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Lawro
by New Contributor II
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Cannot list Clusters using Rest API

I am trying to run the following rest API command from:curl -H "Authorization: Bearer <PAT Code>" -X GET "curl -H "Authorization: Bearer <PAT Code>" -X GET "http://<databricks_workspace>.azuredatabricks.net/api/2.0/clusters/list"  When I run the comm...

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Lawro
New Contributor II
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Hi, I definitely think it is facing network issues.  Its just very difficult to identify, when I am able to successfully ping the instance from the server originating the request.It is something jdbc related, just not sure what.it is

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Lawro
by New Contributor II
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JDBC Connect Time out

Anyone know why I would get the JDBC Connect error below:java.sql.SQLException: [Databricks][JDBCDriver](500593) Communication link failure. Failed to connect to server. Reason: com.databricks.client.jdbc42.internal.apache.http.conn.ConnectTimeoutExc...

  • 683 Views
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Alberto_Umana
Databricks Employee
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Hi @Lawro, That normally happens whenever there is a network issue or firewall blocking the request. Is it failing consistently and have you tested connectivity to your SQL instance using nc -vz command via a notebook?

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javiomotero
by New Contributor III
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Databricks Apps: Issue with ACLs for apps are disabled or not available in this tier

Hello, I've created a dummy app (using the template) and deployed it in an Azure Databricks premium workspace. It is working fine but is only available for those users with access to the Databricks resource.I would like to change the permissions to "...

javiomotero_1-1737889451177.png javiomotero_0-1737889408832.png
  • 2304 Views
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javiomotero
New Contributor III
  • 3 kudos

Hi, any help? I've settled in the meantime for an Azure Webapp, but it is a pity that I cannot use this just for a configuration step. Any help is welcomed!

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mr_elastic
by New Contributor III
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Databricks Unity Catalog Bug - Reset of Network Connectivity Configuration not possible

The following use case is strange regarding the Network Connectivity Configuration (NCC):I create a Workspace (the NCC is empty)I create a NCCI attach the NCC to the WorkspaceI want to remove the NCC from the Workspace -> not possibleTherefore, I can...

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loic
Contributor
  • 7 kudos

This is the documented behavior in the REST API:https://docs.databricks.com/api/account/workspaces/updateYou cannot remove a network connectivity configuration from the workspace once attached, you can only switch to another one.

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Rob_Lemmens
by New Contributor III
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Resolved! OAUTH Secrets Rotation for Service Principal through Databricks CLI

I am currently utilizing a specific Service Principal in my DevOps steps to utilize the Databricks CLI. It's using the OAuth tokens with M2M authentication (Authenticate access to Azure Databricks with a service principal using OAuth (OAuth M2M) - Az...

  • 5927 Views
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Rob_Lemmens
New Contributor III
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 After filing a Microsoft Support Ticket through my client they provided me with the solution to the inquiry. There seems to be a undocumented API call that you can do to create this SP Oauth Client Secret and it works perfectly:curl -X POST --header...

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ambigus9
by Contributor
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Resolved! AWS Security Hub - The S3 bucket is shared with an external AWS account

Currently We observe a HIGH Risk warning on the Security Hub of AWS Account were we have been deployed a Private Link Databricks. This warning is related to the permissions associated to the root S3 bucket we use, here an example:  { "Version": "...

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Satyadeepak
Databricks Employee
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  Hi @ambigus9 - Regarding the external AWS account (414351767826). This is actually a Databricks-owned AWS account, not a random external account. It's essential for Databricks' service to function properly. This account is used by Databricks to man...

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