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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

drag7ter
by Contributor
  • 358 Views
  • 3 replies
  • 0 kudos

how to restrict creation serving endpoints in databricks to a user

Is it possible somehow to restrict creation of the serving endpoints to specific users? I want to grant Workspace access under the Entitlements of the specific group, but I want not to allow users of this group create serving endpoints.The only way I...

  • 358 Views
  • 3 replies
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Latest Reply
LRALVA
Honored Contributor
  • 0 kudos

@drag7ter While I mentioned Workspace-level entitlements as an approach, I need to clarify something important: Databricks doesn't currently support creating fully customized entitlements where you can exclude specific permissions like "serving endpo...

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vaibhavaher2025
by New Contributor
  • 278 Views
  • 1 replies
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How to get response from API call made via executor

Hi Guys,I'm trying to call multiple APIs via executor using foreach partition, However as API response is getting returned at executor level I'm unable to see the response of API weather its 200 or 500.I dont want my APIs to execute on driver so I'm ...

  • 278 Views
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Latest Reply
sarahbhord
Databricks Employee
  • 0 kudos

Vaibhavaher2025 -  I recommend trying the following:  1. Write logs from executors to persist storage insideprocess_partition. 2. Use mapPartitions instead offoreachPartition to return responses back to the driver as a Dataframe 3. Check executor log...

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VVM
by New Contributor III
  • 20080 Views
  • 14 replies
  • 3 kudos

Resolved! Databricks SQL - Unable to Escape Dollar Sign ($) in Column Name

It seems that due to how Databricks processes SQL cells, it's impossible to escape the $ when it comes to a column name.I would expect the following to work:%sql SELECT 'hi' `$id`The backticks ought to escape everything. And indeed that's exactly wha...

  • 20080 Views
  • 14 replies
  • 3 kudos
Latest Reply
rgower
New Contributor II
  • 3 kudos

+1 here - hoping to hear any updates.

  • 3 kudos
13 More Replies
anmol-aidora
by New Contributor II
  • 541 Views
  • 6 replies
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Resolved! Serverless: ERROR: Could not install packages due to an OSError: [Errno 13] Permission denied

Hello guys!I am getting this error when running a job:ERROR: Could not install packages due to an OSError: [Errno 13] Permission denied: '/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.11/site-packages/some-python-package'I have lis...

  • 541 Views
  • 6 replies
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Latest Reply
anmol-aidora
New Contributor II
  • 0 kudos

Thanks for clarifying Isi, really appreciate it

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soumiknow
by Contributor II
  • 3737 Views
  • 22 replies
  • 1 kudos

Resolved! BQ partition data deleted fully even though 'spark.sql.sources.partitionOverwriteMode' is DYNAMIC

We have a date (DD/MM/YYYY) partitioned BQ table. We want to update a specific partition data in 'overwrite' mode using PySpark. So to do this, I applied 'spark.sql.sources.partitionOverwriteMode' to 'DYNAMIC' as per the spark bq connector documentat...

  • 3737 Views
  • 22 replies
  • 1 kudos
Latest Reply
VZLA
Databricks Employee
  • 1 kudos

@soumiknow , Just checking if there are any further questions, and did my last comment help?

  • 1 kudos
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M_S
by New Contributor II
  • 282 Views
  • 2 replies
  • 2 kudos

Dataframe is getting empty during execution of daily job with random pattern

Hello, I have a daily ETL job that adds new records to a table for the previous day. However, from time to time, it does not produce any output.After investigating, I discovered that one table is sometimes loaded as empty during execution. As a resul...

M_S_0-1746605849738.png
  • 282 Views
  • 2 replies
  • 2 kudos
Latest Reply
M_S
New Contributor II
  • 2 kudos

Thank you very much, @BigRoux , for such a detailed and insightful answer!All tables used in this processing are managed Delta tables loaded through Unity Catalog.I will try running it with spark.databricks.io.cache.enabled set to false just to see i...

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5UDO
by New Contributor II
  • 646 Views
  • 6 replies
  • 4 kudos

Databricks warehouse table optimization

Hi everyone,I just started using the Databricks and wanted to evaluate the reading speeds when using the Databricks warehouse.So I've generated the dataset of 100M records, which contains name, surname, date of birth, phone number and an address. Dat...

  • 646 Views
  • 6 replies
  • 4 kudos
Latest Reply
5UDO
New Contributor II
  • 4 kudos

Hi Brahmareddy and AndrewN,Thank you on your answers.I first need to apologize as I accidentally wrote wrong that I got 270ms with hashing the date of birth, surname and name and then using the z ordering.I actually achieved around 290ms with hashing...

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jtjohnson
by New Contributor II
  • 324 Views
  • 4 replies
  • 0 kudos

API Definition File

Hello. We are in the process of setting up Azure APIM to Databricks Rest API(s). Is there an official definition file available for download?Any help would be greatly appreciated

  • 324 Views
  • 4 replies
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Latest Reply
jtjohnson
New Contributor II
  • 0 kudos

Thank you for the feedback. The postman collection would be ideal but the link is a no longer active

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3 More Replies
dc-rnc
by Contributor
  • 476 Views
  • 1 replies
  • 2 kudos

Issue pulling Docker Image on Databricks Cluster through Azure Container Registry

Hi Community.Essentially, we're using the ACR to push our custom Docker Image, then we would like to pull it to create a Databricks cluster. However, during the cluster creation, we got the following error:I'm convinced we tried to authenticate in al...

dcrnc_1-1746546138450.png dcrnc_0-1746544625988.png
  • 476 Views
  • 1 replies
  • 2 kudos
Latest Reply
jeremy98
Honored Contributor
  • 2 kudos

Anyone knows the cause issue?

  • 2 kudos
harika5991
by New Contributor II
  • 177 Views
  • 1 replies
  • 0 kudos

Unable to create a metastore for Unity Catalog as I don't have Account Admin rights

Hello guys,I just started learning Databricks. I created a Databricks workspace via the Azure Portal using the Trial (Premium - 14-Days Free DBUs) plan. The workspace name is `easewithdata-adb`.However,I do not currently see the option to create a Un...

  • 177 Views
  • 1 replies
  • 0 kudos
Latest Reply
LRALVA
Honored Contributor
  • 0 kudos

Hi @harika5991 You're right about the root cause of your issue. Creating a Unity Catalog metastore requires Account Admin privileges, which is separate from just creating a workspace in Azure.These are options you can try:When you create a Databricks...

  • 0 kudos
BigRoux
by Databricks Employee
  • 462 Views
  • 4 replies
  • 4 kudos

Resolved! What are your most impactful use cases for schema evolution in Databricks?

  Data Engineers, Share Your Experiences with Delta Lake Schema Evolution! We're calling on all data engineers to share their experiences with the powerful schema evolution feature in Delta Lake. This feature allows for seamless adaptation to changin...

  • 462 Views
  • 4 replies
  • 4 kudos
Latest Reply
BigRoux
Databricks Employee
  • 4 kudos

Outstanding!

  • 4 kudos
3 More Replies
flashmav
by New Contributor II
  • 231 Views
  • 1 replies
  • 0 kudos

Resolved! ConcurrentDeleteDeleteException in liquid cluster table

I am doing a merge in a table in parallel via 2 jobs.The table is a liquid clustered table with the following properties:delta.enableChangeDataFeed=truedelta.enableDeletionVectors=truedelta.enableRowTracking=truedelta.feature.changeDataFeed=supported...

  • 231 Views
  • 1 replies
  • 0 kudos
Latest Reply
BigRoux
Databricks Employee
  • 0 kudos

Hey @flashmav ,  keep in mind that operations in Delta Lake often occur at the file level rather than the row level. For example, if two sessions attempt to update data in the same file (even if they’re not updating the same row), you may encounter a...

  • 0 kudos
SoniSole
by New Contributor II
  • 6727 Views
  • 6 replies
  • 6 kudos

Issue with Docker Image connection

Hello, I have created and pushed a docker image to Azure Container Registry . I used that image to start the cluster in Databricks. But the cluster doesn't start and as such when I try to run a Databricks' Jon using that Cluster, I get this error bel...

image
  • 6727 Views
  • 6 replies
  • 6 kudos
Latest Reply
jeremy98
Honored Contributor
  • 6 kudos

We have the same issue, right now. Which is the problem??

  • 6 kudos
5 More Replies
vgupta
by New Contributor II
  • 7721 Views
  • 6 replies
  • 4 kudos

DLT | Cluster terminated by System-User | INTERNAL_ERROR: Communication lost with driver. Cluster 0312-140502-k9monrjc was not reachable for 120 seconds

Dear Community, Hope you are doing well.For the last couple of days I am seeing very strange issues with my DLT pipeline, So every 60-70 mins it is getting failed in continuous mode, with the ERROR; INTERNAL_ERROR: Communication lost with driver. Clu...

DLT_ERROR DLT_Cluster_events
  • 7721 Views
  • 6 replies
  • 4 kudos
Latest Reply
Rahiman
New Contributor II
  • 4 kudos

We had similar error for one the DLT pipeline, This could be some times because of compute size, we had increased compute size of server in your DLT pipelines, still we were seeing this error while processing very large file. we then added below para...

  • 4 kudos
5 More Replies
aswinvishnu
by New Contributor II
  • 572 Views
  • 3 replies
  • 1 kudos

Exporting table to GCS bucket using job

Hi all,Usecase: I want to send the result of a query to GCS bucket location in json format.Approach: From my java based application I create a job and that job will be running a notebook`. Notebook will have something like this```query = "SELECT * FR...

  • 572 Views
  • 3 replies
  • 1 kudos
Latest Reply
LorelaiSpence
New Contributor II
  • 1 kudos

Consider using GCS signed URLs or access tokens for secure access.

  • 1 kudos
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