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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

smpa01
by New Contributor
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Debugging jobs/run-now endpoint

I am not being able to run jobs/runnow endpoint. I am getting an error asError fetching files: 403 - {"error_code":"PERMISSION_DENIED","message":"User xxxx-dxxxx-xxx-xxxx does not have Manage Run or Owner or Admin permissions on job 437174060919465",...

smpa01_0-1744904979789.png smpa01_1-1744905123010.png
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GregTyndall
by New Contributor II
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Resolved! Materialized View Refresh - NUM_JOINS_THRESHOLD_EXCEEDED?

I have a very basic view with 3 inner joins that will only do a full refresh. Is there a limit to the number of joins you can have and still get an incremental refresh?"incrementalization_issues": [{"issue_type": "INCREMENTAL_PLAN_REJECTED_BY_COST_MO...

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Latest Reply
PotnuruSiva
Databricks Employee
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@GregTyndall Yes, the current limit is 2 by default. But we can increase up to 5 with the below flag added to the pipeline settings. pipelines.enzyme.numberOfJoinsThreshold 5

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Christian_C
by Visitor
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Google Pub Sub and Delta live table

I am using delta live table and pub sub to ingest message from 30 different topics in parallel. I noticed that initialization time can be very long around 15 minutes. Does someone knows how to reduced initialization time in dlt ? Thanks You 

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Chris_sh
by New Contributor II
  • 2224 Views
  • 2 replies
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[STREAMING_TABLE_OPERATION_NOT_ALLOWED.REQUIRES_SHARED_COMPUTE]

Currently trying to refresh a Delta Live Table using a Full Refresh but an error keeps coming up saying that we have to use a shared cluster or a SQL warehouse. I've tried both a shared cluster and a SQL warehouse and the same error keeps coming up. ...

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Latest Reply
BigRoux
Databricks Employee
  • 1 kudos

You are not using "No Isolation Shared" mode, right?  Also, can you share the chunk of code that is causing the failure? Thanks, Louis.

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guest0
by New Contributor II
  • 516 Views
  • 6 replies
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Spark UI Simulator Not Accessible

Hello,The Spark UI Simulator is not accessible since the last few days. I was able to refer to it last week, at https://www.databricks.training/spark-ui-simulator/index.html. I already have access to partner academy (if that is any relevant).  <Error...

Data Engineering
simulator
spark-ui
  • 516 Views
  • 6 replies
  • 3 kudos
Latest Reply
guest0
New Contributor II
  • 3 kudos

Just a short update: the request I raised was closed saying there is no active support contract with the org (from the email I used) to look into this. Perhaps someone else could try raising a request using the link above.

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5 More Replies
HaripriyaP
by New Contributor
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  • 3 replies
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Multiple Notebooks Migration from one workspace to another without using Git.

Hi all!I need to migrate multiple notebooks from one workspace to another. Is there any way to do it without using Git?Since Manual Import and Export is difficult to do for multiple notebooks and folders, need an alternate solution.Please reply as so...

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Latest Reply
RiyazAli
Valued Contributor II
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Hello @HaripriyaP , @rabia_farooq check for the databricks cli documentation here - https://docs.databricks.com/aws/en/dev-tools/cli/commandsYou can work with databricks workflow <command_such_as_export> and move the notebooks/code files around.Cheer...

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Vasu_Kumar_T
by New Contributor II
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  • 3 replies
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Data Migration using Bladebridge

Hi,We are planning to migrate from Teradata to Databricks using Bladebridge. Going through various portals, I am not able to conclude the component that facilitates Data movement between Teradata and databricks.Please clarify end to end tool and acti...

  • 64 Views
  • 3 replies
  • 1 kudos
Latest Reply
RiyazAli
Valued Contributor II
  • 1 kudos

I'm not aware if blade bridge has data movement tool handy with them.I don't see anything advertised by them though.Let me know if you find anything on this.

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2 More Replies
minhhung0507
by Contributor III
  • 172 Views
  • 11 replies
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API for Restarting Individual Failed Tasks within a Job?

Hi everyone,I'm exploring ways to streamline my workflow in Databricks and could really use some expert advice. In my current setup, I have a job (named job_silver) with multiple tasks (e.g., task 1, task 2, task 3). When one of these tasks fails—say...

  • 172 Views
  • 11 replies
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Latest Reply
RiyazAli
Valued Contributor II
  • 2 kudos

Hey @minhhung0507 - quick question - what is the cluster type you're using to run your workflow?I'm using a shared, interactive cluster, so I'm passing the parameter {'existing_cluster_id' : task['existing_cluster_id']}in the payload. This parameter ...

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dc-rnc
by New Contributor III
  • 800 Views
  • 2 replies
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DAB | Set tag based on job parameter

Hi Community.Since I wasn't able to find a way to set a job tag dynamically at runtime based on a parameter that is passed to the job, I was wondering if it is possible or if there is an equivalent way to do it.Thank you. Regards.

  • 800 Views
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Latest Reply
BigRoux
Databricks Employee
  • 0 kudos

Based on the provided context, it appears that there isn't a direct way within Databricks to dynamically set job tags at runtime based on a parameter passed to the job. However, there are alternative approaches you can consider to work around this li...

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yashojha1995
by New Contributor
  • 111 Views
  • 1 replies
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Error while running update statement using delta lake linked service through ADF

Hi All, I am getting the below error while running an update query in a lookup activity using the delta lake linked service:ErrorCode=AzureDatabricksCommandError,Hit an error when running the command in Azure Databricks. Error details: <span class='a...

  • 111 Views
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Latest Reply
RiyazAli
Valued Contributor II
  • 0 kudos

Hi @yashojha1995 EOL while scanning string literal hints that there might be a syntax error in the update query.could you share your update query here, and any other info such as how are you creating a Linked service to your delta lake? Does it mean ...

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Y2KEngineer
by Visitor
  • 39 Views
  • 1 replies
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Query limiting to only 10000 rows

Hi I am query my Azure Databricks table using VB script/Simba Spark ODBC driver.While querying into the DB(lets say 'Select * from table_1') it is not returning any data. However while querying a limit (lets say 'Select TOP 10000 ID from table_1'), i...

Data Engineering
community
limitation in databricks
  • 39 Views
  • 1 replies
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Latest Reply
John93Burgess
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Hello!The issue where a full table query in Azure Databricks via VB Script and Simba Spark ODBC returns no data, but TOP works, likely stems from the ODBC driver's inability to handle the large result set at once. Investigate and increase the driver'...

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Dharinip
by New Contributor III
  • 2104 Views
  • 5 replies
  • 3 kudos

Resolved! How to decide on creating views vs Tables in Gold layer?

We have the following use case:We receive raw form of data from an application and that is ingested in the Iron Layer. The raw data is in the JSON FormatThe Bronze layer will the first level of transformation. The flattening of the JSON file happens ...

  • 2104 Views
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Latest Reply
artus2050189155
  • 3 kudos

The whole medallion architecture is unnecesarily complex.   Bronze, Silver, Gold.  Some places I have seen people do -  RAW , Trusted RAW , Silver, Trusted Silver, Gold

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