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anusha98
by New Contributor II
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  • 2 replies
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Resolved! How to auto‑terminate DLT-managed clusters after pipeline execution?

We have Data bricks Jobs that run a combination of DLT pipelines and notebook tasks.For the notebook tasks, we use a job cluster, and we are able to auto‑terminate it after execution using auto termination: 10However, the DLT-managed clusters behave ...

anusha98_0-1769611980756.png
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SteveOstrowski
Databricks Employee
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Hi @anusha98, The behavior you are seeing, where the cluster stays running for a long time after pipeline completion, is almost certainly because your pipeline is running in Development mode. In Development mode, the default cluster shutdown delay is...

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spjti
by New Contributor
  • 650 Views
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Manager hierarchy

for employee manager hierarchy some employees are not having correct manager mapping, what can be the reason?

  • 650 Views
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SteveOstrowski
Databricks Employee
  • 1 kudos

Hi @spjti, Incorrect manager mappings in an employee hierarchy typically come from a few common root causes. Since the question is fairly open-ended, here is a checklist of the most likely issues and how to diagnose them in Databricks. COMMON REASONS...

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Smriti2
by New Contributor II
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Same Delta Table, Different Behavior: Dev vs Prod Workspace in Databricks

I recently ran into an interesting Databricks behavior while implementing a row-count comparison using Delta Time Travel (VERSION AS OF).Platform: AzureScenario:Same Unity CatalogSame fully qualified tableSame table ID, location, and Delta formatYet ...

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SteveOstrowski
Databricks Employee
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Hi @Smriti2, The error "TIME TRAVEL is not allowed. Operation not supported on Streaming Tables" when the table is not intentionally a streaming table typically points to the table having pipeline-related metadata attached to it in the prod workspace...

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crami
by New Contributor III
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Databricks Dataframe: Merge exception for string column in delta table with change detectio enabled.

Hi,I am trying to append change data records into delta table using dataframe. However, I am encountering an issue while appending new records to existing data in delta table. The exception raised isCannot merge columns 'ColumnX' into 'ColumnX'Both n...

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SteveOstrowski
Databricks Employee
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Hi @crami, The "Cannot merge columns 'ColumnX' into 'ColumnX'" error you are seeing is caused by passing "delta.enableChangeDataFeed" as a write option on the DataFrame writer. Change Data Feed (CDF) is a table-level property, not a per-write option....

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ruicarvalho_de
by New Contributor III
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Inconsistent UNRESOLVED_COLUMN._metadata error on Serverless compute during MERGE operations

Hi.I've been facing this problem for the last couple of days.We're experiencing intermittent failures with the error [UNRESOLVED_COLUMN.WITHOUT_SUGGESTION] A column, variable, or function parameter with name '_metadata' cannot be resolved. SQLSTATE: ...

  • 1189 Views
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SteveOstrowski
Databricks Employee
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Hi @ruicarvalho_de, The behavior you are seeing is related to how the _metadata virtual column interacts with Spark Connect (which Serverless compute uses under the hood) and how deferred analysis changes when that hidden column is resolved. Here is ...

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aranjan99
by Contributor
  • 2348 Views
  • 5 replies
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databricks list job runs api limit doesnt work

noticed that the limit parameter on the list job runs api: https://docs.databricks.com/api/workspace/jobs/listrunsdoesnt work. no matter what limit i set, i always get all the runs which can be too many if i want all runs.If i set offset as > 1, then...

  • 2348 Views
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SteveOstrowski
Databricks Employee
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Hi @aranjan99, To add some detail to the earlier reply: the confusion here comes from the fact that the REST API and the Databricks CLI handle the "limit" parameter differently. REST API BEHAVIOR In the REST API (POST or GET to /api/2.1/jobs/runs/lis...

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ShyamalaT
by New Contributor III
  • 813 Views
  • 3 replies
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Access Lab

Hi Team,How do I access lab? Do I need to take subscription?

  • 813 Views
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SteveOstrowski
Databricks Employee
  • 2 kudos

Hi @ShyamalaT, As @Advika and @szymon_dybczak mentioned, the hands-on labs that accompany Databricks Academy courses do require either an Instructor-Led Training (ILT) enrollment or a Databricks Academy Labs subscription. Here is a quick summary of y...

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CuriousEngineer
by New Contributor
  • 1192 Views
  • 4 replies
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Row count is higher than expected after breaking cases into 15-minute segments

I’m building a fact table in Databricks where the grain is one row per case per 15-minute segment. For example, if a case lasts 90 minutes, I expect about 6 rows.I generate the 15-minute segments and MERGE into a Delta table (incremental load). Howev...

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Databricks
Databricks SQL
pyspark
  • 1192 Views
  • 4 replies
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Latest Reply
SteveOstrowski
Databricks Employee
  • 0 kudos

Hi @CuriousEngineer, This is a common scenario, and there are good solutions. Nice job including the code and the minimal reproducible example -- that makes it much easier to help. There are two places in your query that are very likely introducing d...

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Kirankumarbs
by Valued Contributor III
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  • 8 replies
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Resolved! Continuous Job - How to set max_retries

Hello Community,I have a couple of continuous workflows (jobs) running in production, and they’ve been working well so far. However, we’re seeing some transient failures that are causing the entire job to restart — which I’d prefer to avoid.While we ...

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  • 5418 Views
  • 8 replies
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Latest Reply
SteveOstrowski
Databricks Employee
  • 2 kudos

Hi @Kirankumarbs, Thanks for posting this. I can see from the thread that the existing replies confirmed the limitation but did not offer much in the way of alternatives. Let me provide a fuller picture. THE SHORT ANSWER You cannot set a custom max_r...

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nafikazi
by Contributor
  • 2282 Views
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Resolved! Where is Lakeflow Designer in the databricks UI

Hello everyone,Yesterday I saw a demo of Lakeflow Designer, and it looked very interesting. I tried to find this option in the UI, but I was not able to locate it.Could anyone please guide me on where I can access or try out this feature?I would real...

  • 2282 Views
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KrisJohannesen
Valued Contributor II
  • 4 kudos

If you are talking about the No-code version that is described here, then that is still in Private Preview as far as I am aware. Talk to your Databricks Account if you want to opt into the preview. If you do get access to it, you should be able to fi...

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RJ1
by New Contributor
  • 2394 Views
  • 2 replies
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Resolved! Share dashboard with external customers

I’m new to Databricks and still exploring the platform. One of our requirements is to share a Databricks dashboard with multiple external customers (for example, Customer 1 and Customer 2).The key requirement is data isolation:When a user from Custom...

  • 2394 Views
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Latest Reply
Ashwin_DSA
Databricks Employee
  • 1 kudos

Hi @RJ1 -  Welcome to Databricks Platform! Great question. This is a very common requirement. At a high level, you’ll want to separate the concerns: How users authenticate and are identified (who is the user / which customer are they from?)How data i...

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athang
by New Contributor
  • 1344 Views
  • 3 replies
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Resolved! Data governance solution

I am here looking for Data governance solution for organization. I also searched this on many different website and found many solutions. We are bit confused to which one to choose. One of my friend suggest me this platform, and i am hoping i will ge...

  • 1344 Views
  • 3 replies
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Latest Reply
balajij8
Esteemed Contributor II
  • 2 kudos

You can use Unity Catalog for Databricks Lakehouse. You can use Collibra/Open Metadata along with Unity Catalog for complete governance

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krishnakanth240
by New Contributor
  • 1034 Views
  • 2 replies
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Resolved! Looking for resources to learn Databricks

Hi Community Members,I'm working as a Power BI Developer and interested to upskill into Databricks platform as a Data Analyst and Data Engineering.Request to share the resources(documentation/video tutorials) in a sequential order.Thank You!Best Rega...

  • 1034 Views
  • 2 replies
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pradeep_singh
Honored Contributor III
  • 4 kudos

For Bite-size overviews check the demo center - https://www.databricks.com/resources/demos/library This youtube channel is great for more detailed oriented discussion around specific features .https://www.youtube.com/@nextgenlakehouseFor more structu...

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h_h_ak
by Contributor II
  • 10782 Views
  • 6 replies
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Resolved! Understanding Autoscaling in Databricks: Under What Conditions Does Spark Add a New Worker Node?

I’m currently working with Databricks autoscaling configurations and trying to better understand how Spark decides when to spin up additional worker nodes. My cluster has a minimum of one worker and can scale up to five. I know that tasks are assigne...

  • 10782 Views
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aranjan99
Contributor
  • 2 kudos

Is the above information true for job clusters as well? Looks like the enhanced auto scalar is only available for pipelines

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Kirankumarbs
by Valued Contributor III
  • 594 Views
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Resolved! Am i publishing article in a correct way or not?

Hello Community,I’d like to check with the contributors whether the article I recently published follows the correct approach. Did I choose the right options and the appropriate place to publish it in the Databricks Community?https://community.databr...

  • 594 Views
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Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 3 kudos

Hi @Kirankumarbs ,Yes, you did everything in correct manner. You put your article in correct place which is "Community Articles".Anyway, thanks for sharing with us

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