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Databricks Platform Discussions
Dive into comprehensive discussions covering various aspects of the Databricks platform. Join the conversation to deepen your understanding and maximize your usage of the Databricks platform.
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Data Engineering

Join discussions on data engineering best practices, architectures, and optimization strategies with...

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Data Governance

Join discussions on data governance practices, compliance, and security within the Databricks Commun...

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Generative AI

Explore discussions on generative artificial intelligence techniques and applications within the Dat...

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Machine Learning

Dive into the world of machine learning on the Databricks platform. Explore discussions on algorithm...

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Warehousing & Analytics

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Activity in Databricks Platform Discussions

indradbxlearn
by > • New Contributor III
  • 308 Views
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Feature Request: Cross-job dependencies with business-date awareness

SummaryWorkflows can chain tasks inside one job, but there is no native way to say: “Run job X once per day, after jobs A, B, C, D and E have each completed successfully for the same business date, even though they are independent jobs with their own...

  • 308 Views
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suranga
Databricks Partner
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Nice design. One option for the gate: instead of paging through the Jobs API, query the jobs system tables. It's one SQL query and works across workspaces:SELECT job_id FROM system.lakeflow.job_run_timeline WHERE job_id IN (<dimjob1..5 ids>) AND resu...

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dbernstein_tp
by > • Contributor II
  • 394 Views
  • 13 replies
  • 3 kudos

MS Fabric Direct Lake, works with delta tables only?

Lately we started using Direct Lake to use the results of our ingestion pipelines (gold tables) in PBI dashboards. This is working ok but has one annoying and troublesome issue. Which is: the gold tables are the end result of declarative pipelines so...

  • 394 Views
  • 13 replies
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suranga
Databricks Partner
  • 3 kudos

On the open question about an existing MV: the docs only describe setting those two properties when the MV is created. So I'd treat it as a create-time setting and not count on ALTER working on an existing MV. What I'd do:1. Add the properties to the...

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vkondepati
by > • Databricks Partner
  • 155 Views
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Databricks Unity Catalog Foreign Catalog – Timezone Mismatch with AWS RDS PostgreSQL Affecting Query

Hi Databricks Community,I'm facing a timezone-related issue with a Unity Catalog Foreign Catalog connected to AWS RDS PostgreSQL and would appreciate some guidance on the best way to handle it centrally.Current Setup:Source: AWS RDS PostgreSQL (confi...

  • 155 Views
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suranga
Databricks Partner
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Agree there's no timezone option on the connection or foreign catalog. Rather than casting in every query, I'd fix it once in a governed view:CREATE VIEW main.gold.orders_v ASSELECTorder_id,to_utc_timestamp(created_at, 'America/Chicago') AS created_a...

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dans-vander
by > • New Contributor II
  • 375 Views
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[FGAC_ON_DEDICATED_COMPUTE_FAILED] Fine-grained access control (FGAC) on dedicated compute failed

Hi everyone, Starting this thread to check if anyone else has seen a similar issue, and sharing the solution because in our case, it was a detail we hadn't noticed it in the documentation. https://docs.databricks.com/aws/en/compute/single-user-fgac P...

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Administration & Architecture
Databricks Administration
serverless
  • 375 Views
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Latest Reply
slowder
New Contributor III
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Your point about the delegation hop is a critical detail. It means that even if you want to keep workloads on dedicated classic compute, you still have to enable the serverless path workspace-wide just to handle policy evaluation.We didn’t hit this o...

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juanlozadab
by > • New Contributor III
  • 165 Views
  • 1 replies
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Beyond Bronze, Silver, and Gold: When Does a Separate Stage Make Sense?

I recently published my first technical blog! I was a little nervous about sharing it, but I’m happy to take this first step. I hope to keep sharing what I learn and improve my writing along the way.For this article, I chose a question I’ve encounter...

  • 165 Views
  • 1 replies
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slowder
New Contributor III
  • 2 kudos

Congrats on the first post, Juan. Treating logic, storage, and publishing as three separate decisions is the most useful part, because most layer debates go wrong when those get collapsed into one.My default is simplicity. Start with bronze, silver a...

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ASH1243434
by > • New Contributor II
  • 76 Views
  • 2 replies
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Best pattern for ingesting large (multi-GB) zip files from an external SFTP into Databricks

What I'm trying to doPull one zip file per day from an external vendor's SFTP server into Databricks. Most are a few hundred MB, but some are several GB. The zips contain .txt files. Ultimately I just need the zip landed somewhere Databricks can read...

  • 76 Views
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data_pulse
Contributor
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@ASH1243434 For this workload, I'd recommend a scheduled Databricks Job using Paramiko → UC Volume → ZIP extraction → Auto Loader.Although the native Lakeflow SFTP connector supports binaryFile, it doesn't provide a direct raw ZIP-to-Volume transfer ...

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capoorhimanshu
by > • Visitor
  • 54 Views
  • 1 replies
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Cluster environment variables not visible to Java Dataset.foreachPartition / mapPartitions

We run a Spark JAR task (Java) on a standard access mode cluster. Credentials come from cluster environmentvariables set as secret references in the cluster's Environment variables field, e.g.MY_PASSWORD={{secrets/<scope>/<key>}}.The variables are vi...

  • 54 Views
  • 1 replies
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SumeshKashyap
Valued Contributor II
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Hello @capoorhimanshu On standard access mode this is expected. Scala/Java closures (foreachPartition, mapPartitions, UDFs) don't run in the executor JVM where the cluster env vars are set. They run in an isolated per-user sandbox process with a fixe...

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sudopradip
by > • Visitor
  • 138 Views
  • 4 replies
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Serverless notebook: UC volume PUT via SQL connector fails *.storage.azuredatabricks.net resolves

From Azure Databricks serverless notebook compute (East US), uploading a file to a Unity Catalog volume with the Databricks SQL Connector PUT ... INTO '/Volumes/...' fails at TCP connect with [Errno 111] Connection refused. The warehouse accepts the ...

  • 138 Views
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Latest Reply
data_pulse
Contributor
  • 1 kudos

I tested this independently and was able to reproduce a very similar failure pattern on AWS us-east-2, using a Databricks serverless.Here are the results against the same UC Volume:Upload method ResultDirect /Volumes/.. writePASS (byte readback verif...

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Mathias_Peters
by > • Contributor II
  • 46 Views
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Avoid AWS SDK 1.x dependencies in cluster classpaths

Hi, As part of an AWS well architected review, we received a recommendation to stop using AWS SDK 1.x since this version has been deprecated since end of 2025. A cloud trail search showed that this lib is still in use in our data AWS accounts. In the...

  • 46 Views
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harsh120
by > • New Contributor III
  • 290 Views
  • 1 replies
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Cross-region S3 reads fail with 400 Bad Request on Serverless

ProblemWe read Delta tables from an S3 bucket in af-south-1 (opt-in region) from a Databricks workspace in ap-south-1. Queries work on a classic cluster but fail on Serverless / SQL warehouse with the same data and the same IAM instance profile.Same-...

  • 290 Views
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Samiko_db
Databricks Employee
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Hi Is it possible ti share the full error message (eg. AuthorizationHeaderMalformed/ InvalidToken etc.) so we can determine the root cause. Also, did you add a regional endpoint for this S3 bucket to your serverless NCC?

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NikosLoutas
by > • Databricks Partner
  • 3533 Views
  • 4 replies
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Spark DataFrame Checkpoint

Good morning,I am having a difficulty when trying to checkpoint a PySpark DataFrame.The DataFrame is not involved in a DLT pipeline so I am using the df.checkpoint(eager=True) command, to truncate the logical plan of df and materialize it as files wi...

  • 3533 Views
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Opheliasterling
New Contributor II
  • 2 kudos

Using a Unity Catalog Volume to write and read back the DataFrame seems like a practical alternative to avoid mounting cloud storage. Just make sure to account for the extra I/O overhead and schema preservation when reloading the data.

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Abarghodrat
by > • New Contributor II
  • 424 Views
  • 1 replies
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How to get my Database account verified?

Hi,I am currently on a paid plan (Premium), but I can't find how to get my account verified. I need help and support team is referring me here to this forum to get help.Very interesting, how support team can't help, not sure.Anybody here who can help...

  • 424 Views
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DB-RKL
Databricks Employee
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Hi Reza, Sorry you’ve been passed between support channels. The three-App limit and automatic stopping are likely caused by the account still being treated as Free Edition. Free Edition is limited to three Apps and may stop them automatically. A Prem...

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data_pulse
by > • Contributor
  • 392 Views
  • 4 replies
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Resolved! Anyone migrated from legacy CDF to Auto CDF yet?

Databricks mentions in the DBR 19 release notes that Auto CDF removes write-time overhead and can make MERGE and UPDATE operations about 15% faster on tables queried for changesFor anyone who has moved an existing pipeline from legacy CDF to Auto CDF...

  • 392 Views
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data_pulse
Contributor
  • 3 kudos

Thanks @ThomazNeto and @Aravind_Reddy for the inputs and suggestions.I did some additional testing around one of the migration concerns raised here. After enabling the Auto CDF prerequisites, I have unset delta.enableChangeDataFeed on the source tabl...

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carl_hsg
by > • New Contributor III
  • 149 Views
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Serverless compute charge on managed ingestion pipeline despite 100 DBUs/day not reached

Implementing the managed ingestion pipeline for D365 using Lakeflow Connect. No technical issues but confusion when it comes to the charges attributed since Lakeflow Connect on our premium workspace is eligible for 100 DBUs per day. When reviewing sy...

  • 149 Views
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emma_s
Databricks Employee
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Hi, I've just done some digging into this and as far as I can tell there shoulnd't be any charges for the Lakeflow Ingestion until you hit the 100dbu limit. The only thing I want to clarify is that the 100DBU limit is a total for all ingestion pipeli...

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abey
by > • Visitor
  • 133 Views
  • 2 replies
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Unable to login to free edition databrick

Dear Databricks Support Team,I am experiencing an unexpected issue accessing my existing Databricks workspace and would appreciate your assistance in restoring access.Yesterday, I attempted to connect another email account to my workspace to share my...

  • 133 Views
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abey
Visitor
  • 0 kudos

its not a wrong identity, since i used google sign in - now its not showing my workspace, what happen ? i try in multiple browser. not working.1st I log with email its redirect to the genie one page also its not working there when i type its connect ...

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