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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

ayushpattnaik
by New Contributor
  • 81 Views
  • 0 replies
  • 1 kudos

Is it safe to expose JWT in Databricks Job?

There is an usecase where I want to verify/extract the job caller identity in the job runtime of databricks. The job run_as and creator parameter seems to be fixed at the job configuration and doesn't reflect/update who actually triggered a job run.A...

  • 81 Views
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NitinDatta
by New Contributor III
  • 315 Views
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Resolved! Support Multiple Tasks DAG Inside a `for_each_task` Iteration

Databricks Jobs `for_each_task` accepts exactly one nested task. For workloads that run the *samemulti-step pipeline over many datasets* — a very common metadata-driven pattern — this forces achoice between two architectures, each of which gives up s...

  • 315 Views
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Latest Reply
ThomazNeto
Databricks Partner
  • 0 kudos

Hey droid,First — your analysis is correct and still current. I re-checked the docs: a ForEach task takes exactly one nested task (you can't even nest another ForEach), and the dependency scope sits at the ForEach level, so you can't fan out a hetero...

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auso
by New Contributor II
  • 4395 Views
  • 4 replies
  • 3 kudos

Asset Bundles: Shared libraries and notebooks in monorepo multi-bundle setup

I am part of a small team of Data Engineers which started using Databricks Asset Bundles one year ago. Our code base consists of typical ETL-workloads written primarily in Jupyter notebooks (.ipynb), and jobs (.yaml) with our codebase spanning across...

  • 4395 Views
  • 4 replies
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Latest Reply
DoTA
Contributor
  • 3 kudos

Your proposed structure is sensible — it is the standard pattern for large-team monorepo setups with Databricks Asset Bundles. Here is a more complete answer to both questions you raised.1. Shared Python libraries: build a wheel, wire it as a bundle ...

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ThiamLee
by New Contributor
  • 108 Views
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Looking for recommendations

Does anyone know a good tool thats can generate syenthetic time series-data from existing datasets?I am exploring options for data augmentation,testing and experimenting with different models.Open-source or commercial-both workWould love to hear, wha...

  • 108 Views
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Latest Reply
Brahmareddy
Esteemed Contributor II
  • 1 kudos

Hi @ThiamLee , How are you doing today?As per my experience, I’d suggest giving Genie Code a try, especially if you’re already working in Databricks.I’ve been using Genie Code while building a few of my own Data + AI apps and POCs, and what I like mo...

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bill-kotronis
by New Contributor
  • 94 Views
  • 1 replies
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available virtual machines in databricks

My team is investigating the migration of older and now non-adjustable azure skus to newer versions such as v5. I see in azure Usage+Quotas the Standard Dldsv5 and Dldsv6 families with available quota. However, when creating compute in Databricks the...

  • 94 Views
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Latest Reply
GabFernandes
Contributor
  • 0 kudos

Hi @bill-kotronis ,The behavior you're seeing is expected — not all Azure VM families are exposed in Databricks, even if you have quota for them.Databricks maintains a curated, validated subset of Azure instance types. Having available quota in Azure...

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harisrinivasay
by Contributor
  • 277 Views
  • 2 replies
  • 2 kudos

Resolved! Critical Genie Agents Issue – Catalog Rename Causes Tables and Joins Loss

I have identified a serious issue in Genie Agents that requires attention from the Databricks Product Team.When a catalog is renamed, the tables that were previously configured and used within the Genie Agent disappear unexpectedly. After manually re...

  • 277 Views
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Latest Reply
harisrinivasay
Contributor
  • 2 kudos

Make sense, Thank you.

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matko
by New Contributor II
  • 154 Views
  • 1 replies
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Google Cloud Lakehouse catalog federation (Beta): queries fail with "Unrecognized...."

Has anyone gotten the new **Google Cloud Lakehouse catalog federation** Beta (GCP workspaces) to actually run queries?Setup (followed the docs end to end):- GCP workspace (us-central1, serverless-only), Unity Catalog- Previews page: Google Cloud Lake...

  • 154 Views
  • 1 replies
  • 2 kudos
Latest Reply
ThomazNeto
Databricks Partner
  • 2 kudos

Hey matko,Short version: your diagnosis looks right, and this reads like a Beta rollout gap rather than anything you misconfigured.The stack trace (toProto failing in loadForeignSecurableMetadataAndUpdateCache on an unrecognized securable kind) plus ...

  • 2 kudos
v1b3_c0d3rXXX
by Databricks MVP
  • 11481 Views
  • 9 replies
  • 2 kudos

Resolved! Trouble Enabling File Events For An External Location

Hello all,I am trying to enable file events on my Azure Workspace for the File Arrival Trigger trigger mode for Databricks Workflows. I'm following this documentation exactly (I think) but I'm not seeing the option to enable them. As you can see here...

Dnt_TchTheRolex_1-1746752104483.png Dnt_TchTheRolex_0-1746751988442.png
  • 11481 Views
  • 9 replies
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Latest Reply
khushboo2002
New Contributor
  • 2 kudos

I am also facing some issue with the "file arrival" trigger on one of my environments.Its strange that it kept running fine until today where it broke. I always only had the "Storage Blob Data Contributor" for my Managed Identity ( Access Connector) ...

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NW1000
by New Contributor III
  • 113 Views
  • 1 replies
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How to create an image from a cluster so that the compute environment can be replicated

I am working in a regulated industry. It is necessary to document and replicate the compute environment. I guess to do this for a classic cluster vs a serverless one is different. Anyone knows how to do it? Thank you for your assistance.

  • 113 Views
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Latest Reply
ShamenParis
Contributor
  • 0 kudos

Hi @NW1000 ,For Classic Compute, the best approach is using Databricks Container Services (DCS). This lets you package your exact OS, system libraries, and Python environment into a custom Docker image. You just push that image to a private registry ...

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dixcyscott
by New Contributor
  • 204 Views
  • 2 replies
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Building a Visitor Data Pipeline for Digital Membership Card

Hi everyone, I'm working on a project where we collect visitor activity from multiple touchpoints such as ticketing, membership sign-ups, event participation, mobile app interactions, and digital membership card usage. The goal is to create a unified...

  • 204 Views
  • 2 replies
  • 1 kudos
Latest Reply
DoTA
Contributor
  • 1 kudos

Concrete answer for the pieces you asked about, from a similar build (loyalty/membership 360 profile at bank scale - different domain, same shape of problem): Data model: model this as classic medallion, but the key decision is at silver/gold - use a...

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kenny_hero
by New Contributor III
  • 2407 Views
  • 8 replies
  • 1 kudos

Resolved! How do I import a python module when deploying with DAB?

Below is how the folder structure of my project looks like: resources/ |- etl_event/ |- etl_event.job.yml src/ |- pipeline/ |- etl_event/ |- transformers/ |- transformer_1.py |- utils/ |- logger.py databricks.ym...

  • 2407 Views
  • 8 replies
  • 1 kudos
Latest Reply
pradeep_singh
Honored Contributor III
  • 1 kudos

You dont need to use wheel files . Use glob as the key instead of file - https://docs.databricks.com/aws/en/dev-tools/bundles/resources#pipelinelibrariesHere is the screenshot .  

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adriyak
by New Contributor
  • 270 Views
  • 4 replies
  • 3 kudos

Resolved! CREATE is not allowed: Cannot CREATE the Streaming Table Serverless Generic Compute

Hello everyone, I am new in Databricks, and currently I am in the 8th lecture of the "Get started with data engineering" module. I came across this problem: [STREAMING_TABLE_OPERATION_NOT_ALLOWED.ST_NOT_ENABLED_ON_SERVERLESS_GENERIC_COMPUTE] The oper...

  • 270 Views
  • 4 replies
  • 3 kudos
Latest Reply
cartergray70543
New Contributor III
  • 3 kudos

This usually means your workspace doesn't have the Streaming Tables feature enabled, even if you're using Serverless. If the preview toggle is missing, check with your workspace admin or Databricks support, as it may depend on your workspace or regio...

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Oumeima
by New Contributor III
  • 260 Views
  • 3 replies
  • 1 kudos

Lakeflow Connect SQL Server gateway – intermittent Entra ID token auth failures (18456, state 132)

Hi all,We run a Lakeflow Connect SQL Server ingestion pipeline with the gateway in continuous mode, reading from an Azure SQL Database using an Entra ID service principal (OAuth2 client credentials). The setup works overall, but we see a constant low...

  • 260 Views
  • 3 replies
  • 1 kudos
Latest Reply
emma_s
Databricks Employee
  • 1 kudos

Hi, The troubleshooting advice was actaully the other way round, it said from preview to current. But always worth trying the other channel, it's an easy test. Obviously just checkk it won't cause any other symptoms first (do a test run)   THanks,Emm...

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