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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

tgburrin-afs
by New Contributor
  • 7874 Views
  • 7 replies
  • 3 kudos

Limiting concurrent tasks in a job

I have a job with > 10 tasks in it that interacts with an external system outside of databricks.  At the moment that external system cannot handle more than 3 of the tasks executing concurrently.  How can I limit the number of tasks that concurrently...

  • 7874 Views
  • 7 replies
  • 3 kudos
Latest Reply
_J
New Contributor III
  • 3 kudos

You do something like:E1           E4E2   Z      E5  Z  ...E3           E6So Z does not actually do anything it's just a funnel that waits for the 3 tasks at a time to complete ... 

  • 3 kudos
6 More Replies
Adam_Borlase
by New Contributor III
  • 105 Views
  • 4 replies
  • 2 kudos

Resolved! Error trying to edit Job Cluster via Databricks CLI

Good Day all,After having issues with Cloud resources allocated to Lakeflow jobs and Gateways I am trying to apply a policy to the cluster that is allocated to the Job. I am very new to a lot of the databricks platform and the administration so all h...

  • 105 Views
  • 4 replies
  • 2 kudos
Latest Reply
Adam_Borlase
New Contributor III
  • 2 kudos

Thank you so much Louis,This has resolved all of our issues! Really appreciate the help.

  • 2 kudos
3 More Replies
toproximahk
by New Contributor
  • 68 Views
  • 1 replies
  • 0 kudos

Inquiry on GraphFrame Library Upgrade Timeline for Databricks Runtime for Machine Learning

Thanks for the Databricks community and maintaining such a valuable platform.I would like to inquire if there is a planned timeline for upgrading the GraphFrame library. We’ve noticed that the latest release on GitHub is v0.9.3, while the Databricks ...

  • 68 Views
  • 1 replies
  • 0 kudos
Latest Reply
toproximahk
New Contributor
  • 0 kudos

For PySpark. 

  • 0 kudos
1GauravS
by New Contributor III
  • 123 Views
  • 2 replies
  • 0 kudos

Ingesting Data from Event Hubs via Kafka API with Serverless Compute

Hi!I'm currently working on ingesting log data from Azure Event Hubs into Databricks. Initially, I was using a managed Databricks workspace, which couldn't access Event Hubs over a private endpoint. To resolve this, our DevOps team provisioned a VNet...

  • 123 Views
  • 2 replies
  • 0 kudos
Latest Reply
1GauravS
New Contributor III
  • 0 kudos

Hi @mark_ott , Thanks for your response.I followed below mentioned documentation to configure private connectivity with Azure resources and was able to ingest logs using serverless compute. Having NCC set up is the key here.https://learn.microsoft.co...

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1 More Replies
hf-databricks
by New Contributor II
  • 119 Views
  • 2 replies
  • 0 kudos

Unable to create workspace

Hi Team,we have challenge creating workspace in data bricks account created on top of aws.below are the details:Databricks account name : saichaitanya.vaddadhi@healthfirsttech.com's LakehouseAWS Account id : 720016114009databricks id: 1ee8765f-b472-4...

  • 119 Views
  • 2 replies
  • 0 kudos
Latest Reply
BS_THE_ANALYST
Esteemed Contributor II
  • 0 kudos

@hf-databricks there's a quickstart guide for creating a workspace with AWS: https://docs.databricks.com/aws/en/admin/workspace/quick-start There's a list of requirements:There's more options for creating workspaces. Above, I just listed the recommen...

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1 More Replies
AniruddhaGI
by New Contributor II
  • 2118 Views
  • 3 replies
  • 1 kudos

Workspace allows dbf path to install in Databricks 16.4 LTS

Feature: Library installation using requirements.txt on DB Runtime 16.4 LTSAffected Areas: Workspace isolation, Library ManagementSteps to Reproduce:Upload a wheel file to dbfPut the requirements.txt file in the Workspace and put dbfs path in require...

Data Engineering
library
Security
Workspace
  • 2118 Views
  • 3 replies
  • 1 kudos
Latest Reply
AniruddhaGI
New Contributor II
  • 1 kudos

I would like to know if the workspace isolation is a priority, and only Databricks 14.3 and lower allow installation via DBFS.Why should the requirements.txt allow you to install libraries or packages via dbfs path?Could someone please explain why th...

  • 1 kudos
2 More Replies
KKo
by Contributor III
  • 48 Views
  • 0 replies
  • 0 kudos

On Prem MS sql to Azure Databricks

Hi allI need to ingest data from on prem MS sql tables using Databricks to Azure Cloud. For the ingest, previously I used notebooks, jdbc connectors, read sql tables and write in unity catalog tables. Now, I want to experiment Databricks connectors f...

  • 48 Views
  • 0 replies
  • 0 kudos
shubham_007
by Contributor III
  • 4037 Views
  • 6 replies
  • 3 kudos

Resolved! What are powerfull data quality tools/libraries to build data quality framework in Databricks ?

Dear Community Experts,I need your expert advice and suggestions on development of data quality framework. What are powerfull data quality tools or libraries are good to go for development of data quality framework in Databricks ? Please guide team.R...

  • 4037 Views
  • 6 replies
  • 3 kudos
Latest Reply
ChrisBergh-Data
  • 3 kudos

Consider our open-source data quality tool, DataOps Data Quality TestGen. Our goal is to help data teams automatically generate 80% of the data tests they need with just a few clicks, while offering a nice UI for collaborating on the remaining 20% th...

  • 3 kudos
5 More Replies
ashish31negi
by New Contributor II
  • 2909 Views
  • 1 replies
  • 1 kudos

how to use azure one lake in aws databricks unity catalog

i'm trying to connect azure one lake in aws databricks unity catalog but i'm not able to storage credential, since it's currently allowing s3 location only but in hive catalog i'm able to connect to one lake but not in unity.

  • 2909 Views
  • 1 replies
  • 1 kudos
Latest Reply
mark_ott
Databricks Employee
  • 1 kudos

Azure OneLake cannot be directly connected or credentialed in AWS Databricks Unity Catalog at this time, because AWS Databricks Unity Catalog supports only storage credentials for S3 and a select few options (like Cloudflare R2), rather than Azure-ba...

  • 1 kudos
flodoamaral
by New Contributor
  • 3150 Views
  • 1 replies
  • 0 kudos

GitLab Integration

Hello I'm struggling with Gitlab integration in databricks.I've got jobs that run on a daily basis, pointing directly to .py files in my repo. In order to do so, my gitlab account is linked to databricks with a PAT expiring within a month.But every o...

  • 3150 Views
  • 1 replies
  • 0 kudos
Latest Reply
mark_ott
Databricks Employee
  • 0 kudos

The error you are experiencing—"UNAUTHENTICATED: Invalid Git provider Personal Access Token credentials for repository URL"—is a common pain point when integrating GitLab repos with Databricks using Personal Access Tokens (PATs), especially for sched...

  • 0 kudos
dc-rnc
by Contributor
  • 3171 Views
  • 2 replies
  • 0 kudos

Writing to Delta Table and retrieving back the IDs doesn't work

Hi.I have a workflow in which I write few rows into a Delta Table with auto-generated IDs. Then, I need to retrieve them back just after they're written into the table to collect those generated IDs, so I read the table and I use two columns (one is ...

dcrnc_4-1743006179065.png
  • 3171 Views
  • 2 replies
  • 0 kudos
Latest Reply
mark_ott
Databricks Employee
  • 0 kudos

Your workflow issue—writing to a Delta Table, immediately reading back using a join on client_id and timestamp, but sometimes missing rows—suggests a subtle problem, likely related to timing, consistency, or column precision between your input DataFr...

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1 More Replies
MarcoRezende
by New Contributor III
  • 3247 Views
  • 1 replies
  • 0 kudos

Slow performance in REFRESH MATERIALIZED VIEW over CTAS

Hello guys, i have some materialized views created in my databricks workspace and after 1 change in one of them, it became 3x slower (9 minutes to 30 minutes). After some debugging i found that the bottleneck process in the execution plan is one call...

  • 3247 Views
  • 1 replies
  • 0 kudos
Latest Reply
mark_ott
Databricks Employee
  • 0 kudos

Materialized views in Databricks, especially those maintained via DLT (Delta Live Tables) pipelines, often have different execution patterns and optimization strategies compared to running the same SQL in a standard serverless notebook. This can lead...

  • 0 kudos
Mortenfromdk
by New Contributor
  • 3045 Views
  • 1 replies
  • 0 kudos

Best practice for unified cloud cost attribution (Databricks + Azure)?

Hi! I’m working on a FinOps initiative to improve cloud cost visibility and attribution across departments and projects in our data platform. We do tagging production workflows on department level and can get a decent view in Azure Cost Analysis by f...

  • 3045 Views
  • 1 replies
  • 0 kudos
Latest Reply
mark_ott
Databricks Employee
  • 0 kudos

To achieve unified cloud cost visibility and attribution for Azure and Databricks (including SQL Serverless Warehouses), consider the following best practices and solutions: Tagging Databricks SQL Warehouses for Attribution Creating a separate SQL Wa...

  • 0 kudos

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