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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

satycse06
by New Contributor
  • 1198 Views
  • 1 replies
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How worker nodes get the packages during scale-up?

Hi,We are working with one of the repository where we used to download the artifact/python package from that repository using index url in global init script but now the logic is going to be change we need give the cred to download the package and th...

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Vidhi_Khaitan
Databricks Employee
  • 0 kudos

Yes, the new worker node will execute the global init script independently when it starts. It does not get the package from the driver or other existing nodes and will hit the configured index URL directly, and try to download the package on its own....

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andreapeterson
by Contributor
  • 2893 Views
  • 5 replies
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Resolved! Account level groups

When I query my user from an account client and workspace client, I get different answers. Why is this?  In addition, why can I only see some account level groups from my workspace, and not others?

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vr
Contributor III
  • 4 kudos

If you have a relatively modern Databricks instance, when you create a group in workspace UI, it creates an account-level group (which you can see in "Source" column – it says "Account"). So this process essentially consists of two steps: 1) create a...

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chinmay0924
by New Contributor III
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Resolved! How to create a function using the functions API in databricks?

https://docs.databricks.com/api/workspace/functions/createThis documentation gives the sample request payload, and one of the fields is type_json, and there is very little explanation of what is expected in this field. What am I supposed to pass here...

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SP_6721
Honored Contributor
  • 0 kudos

Hi @chinmay0924 ,The type_json field describes your function’s input parameters and return type using a specific JSON format. You’ll need to include each parameter’s name, type (like "STRING", "INT", "ARRAY", or "STRUCT"), and position, along with th...

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LauJohansson
by Contributor
  • 2140 Views
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Terraform - Azure Databricks workspace without NAT gateway

Hi all,I have experienced an increase in costs - even when not using Databricks compute.It is due to the NAT-gateway, that are (suddenly) automatically deployed.When creating Azure Databricks workspaces using Terraform:A NAT-gateway is created. When ...

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Rjdudley
Honored Contributor
  • 1 kudos

In Azure Databricks, a NAT Gateway will be required (by Microsoft) for all egress from VMs, which affects Databricks compute: Azure updates | Microsoft Azure

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Marthinus
by New Contributor III
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Resolved! External Locations to Azure Storage via Private Endpoint

When working with Azure Databricks (with VNET injection) to connect securely to an Azure Storage account via private endpoint, there's a few locations it needs to connect to, firstly the vnet that databricks is connected to, which works well when con...

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Marthinus
New Contributor III
  • 0 kudos

I've read that in the documentation, and when I now tried with an Access Connector for Azure Databricks instead of my own service principal, it seems to have worked, shockingly, even if I completely block network access on the storage account with ze...

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PradeepPrabha
by New Contributor II
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Any documentation mentioning connectivity from Azure SQL database connectivity to Azure Databricks

Any documentation available to connect from the Azure SQL database to Azure Databricks SQL workspace. We created a SQL warehouse personal access token for a user in a different team who can connect from his on-prem SQL DB to Databricks using the conn...

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Louis_Frolio
Databricks Employee
  • 0 kudos

  Here are some considerations: SQL Trigger: Define a trigger in Azure SQL that activates on specific DML operations (e.g., INSERT, UPDATE). External Call: The trigger can log events to an intermediate service (like a control table or Event Grid). ...

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Maxadbuser
by New Contributor III
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Resolved! Compute page Resolver error

I have an issue with my Databricks workspaceWhen i try to attach a notebook to my cluster, the cluster seems to have disappeared.After navigating to the Compute page, it gives me a 'Resolver Error' and no further information. None of the computes/clu...

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Advika
Databricks Employee
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Hello @Maxadbuser! This was a known issue, and the engineering team has implemented a fix. Please check and confirm if you're still experiencing the problem.

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gillesfromparis
by New Contributor II
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Resolved! NAT Gateway IP update

Hi, My Databricks (Premium) account was deployed on AWS.It was provisioned a few months ago from the AWS MarketPlace with the QuickStart method, based on CloudFormation. The NAT Gateway initially created by the CloudFormation stack has been incidenta...

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gillesfromparis
New Contributor II
  • 1 kudos

Thanks for your answer.Yes I did all of that, as well as allowing the traffic coming from my NAT Instance as an inbound rule of the Security Group of the private instances (and the other way around), and no restriction on the outbound traffic.I suspe...

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Edyta
by New Contributor II
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Resolved! Delete Databricks account

Hi everyone, as in the topic, I would like to delete unnnecesarily created account. I have found outdated solutions (e.g. https://community.databricks.com/t5/data-engineering/how-to-delete-databricks-account/m-p/6323#M2501), but they do not work anym...

  • 29157 Views
  • 6 replies
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szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @Edyta ,FOR AWS:Manage your subscription | Databricks on AWS" Before you delete a Databricks account, you must first cancel your Databricks subscription and delete all Unity Catalog metastores in the account. After you delete all metastores associ...

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Aminsn
by New Contributor III
  • 607 Views
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Is it possible to let multiple Apps share the same compute?

Apparently, for every app deployed on Databricks, a separate VM is allocated, costing 0.5 DBU/hour. This seems inefficient, why can't a single VM support multiple apps? It feels like a waste of money and resources to allocate independent VMs per app ...

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Shua42
Databricks Employee
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Hi @Aminsn , You're understanding is correct in that only 1 running app can be deployed per app instance. If you want to maximize the utilization of the compute, one option could be to create a multi-page app, where the landing page will direct users...

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AnkurMittal008
by New Contributor III
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Databricks App : Limitations

I have some questions regarding Databricks App.1) Can we use Framework other than mentioned in documentation( Streamlit,Flask,Dash,Gradio,Shiny).2) Can we allocate compute more than 2 vCPU and 6GB memory to any App.3) Any other programming language o...

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Ismael-K
Databricks Employee
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1.) You can use most Python-based application frameworks, including some beyond those mentioned above.(Reference here) 2.) Currently, app capacity is limited to 2 vCPUs and 6 GB of RAM. However, future updates may introduce options for scaling out an...

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andreapeterson
by Contributor
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Resolved! OAuth API for service user

Is there a way to programmatically create an OAuth secret for for a workspace service principal via API/SDK? As of now, the only way I can see doing this is through UI

  • 1688 Views
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vr
Contributor III
  • 2 kudos

@andreapeterson isn't it the API you are looking for?https://docs.databricks.com/api/azure/account/serviceprincipalsecrets/createIt is an account-level API, but, counterintuitively, when we create service principals in the workspace, they propagate i...

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aswinkks
by New Contributor III
  • 687 Views
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Load assignment during Distributed training

Hi,I wanted to confirm, in a distributed training, if there is any way that I can control what kind/amount of load/data can be send to specific worker nodes, manually ..Or is it completely automatically handled by spark's scheduler, and we don't have...

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Renu_
Valued Contributor II
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From what I know, Spark automatically handles how data and workload are distributed across worker nodes during distributed training, you can't manually control exactly what or how much data goes to a specific node. You can still influence the distrib...

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BalajiM
by New Contributor
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Running Driver Intensive workloads on all purpose compute

Recently observed when we run a driver intensive code on a all purpose compute. The parallel runs of the same pattern/kind jobs are getting failedExample:Job triggerd on all purpose compute with compute stats of 4 core and 8 gigs ram for driverLets s...

  • 802 Views
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Aviral-Bhardwaj
Esteemed Contributor III
  • 0 kudos

this will help you # Cluster config adjustmentsspark.conf.set("spark.driver.memory", "16g") # Double current allocationspark.conf.set("spark.driver.maxResultSize", "8g") # Prevent large collects

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Inna_M
by New Contributor III
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Resolved! how to modify workspace creator

Hi. Our 3 workspaces were created by a consultant who is no longer with us.  The workspace shows his name still . How can we change it? Also what kind of account should be a creator of a workspace: Service principal, AD account, AD group? Pease see b...

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MoJaMa
Databricks Employee
  • 3 kudos

You can file an Azure ticket and request them to contact Databricks Support, who will contact Databricks Engineering, to change that 'workspace owner'. If you have a Databricks Account Team, they can also file an internal ticket to Databricks Enginee...

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