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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

primopragma
by New Contributor II
  • 938 Views
  • 7 replies
  • 0 kudos

Getting 'Unauthorized Access' when Serverless compute is trying to read s3 bucket data

Getting 'Unauthorized Access' when Serverless compute is trying to read s3 bucket data, same works fine with normal compute storage and external location, credentials, IAM policy and serverless egress rules all seems to be correct because normal comp...

  • 938 Views
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binlogreader
New Contributor III
  • 0 kudos

One data point that may be useful, we run serverless SQL against several external locations that were created manually through the API rather than auto-created, and they read fine from serverless.So I don't think you've hit a general rule that custom...

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ChristianRRL
by Honored Contributor II
  • 594 Views
  • 2 replies
  • 1 kudos

Resolved! Lakeflow Connect & Community Connectors - 403 Errors + What is the compute?

Hi there,I am regularly getting 403 errors with Lakeflow Connect or Community Connectors accessing our UC catalog/schema. As far as I'm seeing, I believe that we have the proper role on our Azure storage account (Storage Blob Data Contributor), and t...

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  • 594 Views
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binlogreader
New Contributor III
  • 1 kudos

@ChristianRRL Most likely the compute behind these connectors is serverless, and that would explain both parts of your question. SharePoint and the community connectors run on serverless compute only as far as I know.The docs list serverless as a pre...

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ChristianRRL
by Honored Contributor II
  • 906 Views
  • 3 replies
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Lakeflow Connect SharePoint - 403 Error

Hi, I'd like some help clarifying how lakeflow connect pipelines work (or should work). I went through the steps to (1) set up a connection, and (2) setup the ingestion, but I keep running into the following error:Operation failed: "This request is n...

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  • 906 Views
  • 3 replies
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GabFernandes
Contributor
  • 1 kudos

Hi! The 403 error you're seeing is almost certainly not coming from SharePoint — it's coming from Azure Storage.The key clue is in the error detail: access denied to /cas cloud path. The /cas path is Unity Catalog's managed storage location (Catalog ...

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TheDataMaverick
by Databricks Partner
  • 3256 Views
  • 2 replies
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Resolved! Cost-Effective Databricks Pipeline for API Ingestion - Best Practices?

Hi Community,As a senior data engineer migrating ETL workloads to Databricks (with Unity Catalog and Delta Lake), I'm building a cost-effective pipeline to ingest data from a REST API. Goals: minimize DBU costs, handle incremental loads, ensure scala...

  • 3256 Views
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Pat
Esteemed Contributor
  • 3 kudos

HI @TheDataMaverick ,The most efficient approach for your REST API ingestion pipeline on Databricks is to use an external service like Azure Functions (or AWS Lambda) to handle API calls, then land raw JSON/Parquet in ADLS/S3 for Auto Loader ingestio...

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kosarchik
by New Contributor
  • 455 Views
  • 1 replies
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Jobs and pipelines UI

Hello, Could you please explain how to enable the same UI interface that my colleague has (shown in the first picture)? Unfortunately, my interface looks like the second picture, where the Error code filter does not highlight or display the number of...

  • 455 Views
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balajij8
Esteemed Contributor II
  • 0 kudos

What you are seeing is likely a classic staged UI rollout. Databricks frequently pushes updates such as the aggregated error code metrics on the Job Runs page using user-level feature flags or testing cohorts. Because these flags can be evaluated at ...

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Niyojit
by Databricks Partner
  • 537 Views
  • 1 replies
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Resolved! How to load PDFs incrementally in volume?

 I'm building an Intelligent Document Processing pipeline using Databricks AI Functions (ai_parse_document and ai_extract).I want to ingest PDF files from a Google Drive folder into a Unity Catalog Volume. I can perform a full load successfully using...

  • 537 Views
  • 1 replies
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balajij8
Esteemed Contributor II
  • 1 kudos

You can use the Google Drive Managed connector that does most of it primarily built for syncing structured data directly to Delta Tables or the Standard connector that allows you to use Databricks (SQL, Auto Loader, pipelines) directly against a Goog...

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prakharsachan
by New Contributor III
  • 726 Views
  • 4 replies
  • 2 kudos

Databricks YAML files

when i change the yam file(not the resources one but can be any config yml) locally and then redeploy that bundle , the changes are not visible in the remote yml but other files(.py, .sql) do reflect these changes. FYI: during dev , i make changes in...

  • 726 Views
  • 4 replies
  • 2 kudos
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binlogreader
New Contributor III
  • 2 kudos

@prakharsachan What you're seeing is designed behavior, not a bug.When you run `bundle deploy`, the CLI does not upload everything in your bundle folder. It builds the upload list by walking the directory and skipping anything your .gitignore matches...

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rjcrystal786
by New Contributor II
  • 980 Views
  • 3 replies
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Advanced Learning Festival (15 June - 06 July 2026) - Voucher Eligibility Confirmation

Hello @Jim ,I completed all four modules of Learning Pathway 1 (Associate Data Engineering) for the Advanced Learning Festival on July 6, 2026, the published end date of the event. My Academy account email is [datasci.patel.rupesh@gmail.com]. Screens...

  • 980 Views
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Latest Reply
rjcrystal786
New Contributor II
  • 0 kudos

Hi @Ashwin_DSA ,Thank you for the confirmation. Following up as it's now July 17 and I haven't yet received the voucher at the email address associated with my Academy account (I've checked spam/promotions folders as well).For reference, I completed ...

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yanchr
by New Contributor III
  • 796 Views
  • 5 replies
  • 6 kudos

DLT pipeline cloning to another workspace.

I know about the clone API:<databricks-instance>/api/2.0/pipelines/<pipeline-id>/clonebut it only works within the same workspace.Is it possible to achieve the same result manually?As I understand:I can't choose where checkpoints are migrated to in U...

  • 796 Views
  • 5 replies
  • 6 kudos
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binlogreader
New Contributor III
  • 6 kudos

@yanchr To the checkpoint part of your question first. There is no supported way to carry DLT checkpoint state over to a different pipeline, and that includes a pipeline in another workspace. This is true even on hive metastore, where the pipeline's ...

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iress-nghia
by New Contributor
  • 932 Views
  • 1 replies
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Compute Policy for DLT pipeline error

I have a compute policy created using terraform"unified_archive_pipeline_policy" = { policy_name = "Unified Archive Pipeline Policy" policy_definition = { "cluster_type" = { type = "fixed" value = "dlt" } # ...

Data Engineering
compute policy
  • 932 Views
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binlogreader
New Contributor III
  • 0 kudos

@iress-nghia From the logs, looks like every failure is a numeric field: autoscale.min_workers, autoscale.max_workers, aws_attributes.first_on_demand, aws_attributes.spot_bid_price_percent.On the contrary, every string field passed: node_type_id, ava...

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Navinkumar_K
by New Contributor
  • 319 Views
  • 1 replies
  • 1 kudos

DeltaFileStatistics on a nested column (`created date.shipment`) cause filtering issues

Environment- Databricks Runtime version: 17.3 LTS- Cloud: Azure- Catalog: Unity Catalog- Table format: DeltaSummaryWe have a Delta table named `shipment` with a column `created date.shipment` (a column whose name contains a dot). Delta collects delta...

  • 319 Views
  • 1 replies
  • 1 kudos
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iyashk-DB
Databricks Employee
  • 1 kudos

This is a known class of issue, not user error. Delta Lake stores min/max/null-count statistics in JSON using dot notation to represent nested struct paths (e.g. address.city means the city field inside an address struct). When a flat column...

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MPD2
by New Contributor III
  • 1154 Views
  • 6 replies
  • 4 kudos

Serverless egress - public internet access issues

I've just setup a new Databricks account on AWS with a workspace with "Serverless compute and default storage" and I am unable to access the public internet from notebooks and jobs for all but a handful of domains.A subset works fine, I've identified...

  • 1154 Views
  • 6 replies
  • 4 kudos
Latest Reply
binlogreader
New Contributor III
  • 4 kudos

Hi there, from your note and comments, I couldn't gather if you have tried standard compute. Did you experience the same issues with standard compute? With serverless, you might experience some snags since the infrastructure is owned by Databricks an...

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5 More Replies
animeshjain
by New Contributor II
  • 779 Views
  • 5 replies
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Bundle Validation Error: Volume lifecycle Field Rejected Despite Being in Schema

Environment:Bundle engine: directResource type: Volume (Unity Catalog)Problem:I'm trying to use the lifecycle field with prevent_destroy: true on a Unity Catalog volume resource in my Declarative Automation Bundle (DAB). the validation fails with:Err...

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  • 779 Views
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binlogreader
New Contributor III
  • 0 kudos

@animeshjain What's happening is that two different components are checking your config, and they are at different versions.databricks bundle schema is generated from the CLI binary itself, and your CLI is latest enough enough to know about lifecycle...

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ChristianRRL
by Honored Contributor II
  • 363 Views
  • 1 replies
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Run failed due to STORAGE_DOWNLOAD_FAILURE_SLOW → BOOTSTRAP_TIMEOUT

Hi there,We're recently being seeing issues with both classic all-purpose compute clusters (multi node specifically) and job clusters (also multi node) failing due to STORAGE_DOWNLOAD_FAILURE_SLOW → BOOTSTRAP_TIMEOUT.Our understanding is that this is...

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  • 363 Views
  • 1 replies
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binlogreader
New Contributor III
  • 1 kudos

We hit this exact failure mode a few months ago, so I can share how it played out for us and where I think your situation differs.Observations: Every cluster in one of our environments started failing with BOOTSTRAP_TIMEOUT. The instances themselves ...

  • 1 kudos
emsmarcela
by New Contributor
  • 847 Views
  • 1 replies
  • 1 kudos

Resolved! Genie Space and App Error

I built an App with a chatbot which generates queries and accesses data through a Genie Space. When making questions in the chatbot now, I keep getting the following error in the Genie monitoring page: An error happened. Please try again later.We're ...

  • 847 Views
  • 1 replies
  • 1 kudos
Latest Reply
Louis_Frolio
Databricks Employee
  • 1 kudos

Hello @emsmarcela , good instinct flagging that you haven't touched your app code. That's the most useful detail in your whole post, and it tells us a lot. An INTERNAL_ERROR like this one means Genie tripped while it was generating or processing the ...

  • 1 kudos
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