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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

data_turtle
by • New Contributor
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Are init scripts breaking clusters?

My Jobs were running just fine, but for some reason all of a sudden they all started failing.  When I looked into it I saw it was an error due to an init script error (we do use an init script).    run failed with error message Cluster 1117-045226-l...

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User16539034020
Databricks Employee
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  Thank you for reaching out to Databricks Support. Could you please specify the location of the initialization script you are referring to? Additionally, it would be helpful to know whether this is a global init script or one specific to a cluster. ...

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Priyam1
by • New Contributor III
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Databricks PAT Logs

As an admin, how can i check which external applications are being connected with databricks by people through Personal Access Token. I have used the token API to get the token list but i couldn't find any other REST API reference for obtaining the i...

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cyong
by • New Contributor II
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Disable CDF on DLT tables

Hi, I noticed Change Data Feed (CDF) is enabled by default for the bronze and gold tables running in DLT. How to check the size of the delta log? Can it be turned off?

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brockb
Databricks Employee
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Hi, I dont believe CDF is enabled by default, please see:"Change data feed is not enabled by default..." in this doc: https://docs.databricks.com/en/delta/delta-change-data-feed.html. If it was mistakenly enabled at a table-level it could be disabled...

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quakenbush
by • Contributor
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Is Autoloader suitable to load full dumps?

Hi,I recently completed the fundamentals & advanced data engineer exam, yet I've got a question about Autoloader. Please don't go too hard on me, since I lack practical experience at this point in time Docs say this is incremental ingestion, so it's ...

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mriccardi
by • New Contributor II
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Spark streaming: Checkpoint not recognising new data

Hello everyone!We are currently facing an issue with a stream that is not updating new data since the 20 of July.We've validated and bronze table has data that silver doesn't have.Also seeing the logs the silver stream is running but writing 0 files....

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mriccardi
New Contributor II
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Also the trigger is configured to run once, but when we start the job it never ends, it keeps in an endless loop.

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thains
by • New Contributor III
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Resolved! Error: cannot create mws storage configurations: default auth: cannot configure default credentials.

I’ve run into an error that I can't figure out how to debug. We're trying to use terraform through a service account. I don’t know if it’s a permissions issue on Databricks, in our account, or in AWS, but it seems that something is being blocked some...

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thains
New Contributor III
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Ok. I found the issue here. We had a *second* place where we were setting up the databricks provider, which I had not updated with the proper client credentials.

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g96g
by • New Contributor III
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Resolved! If exists in databrickds sql

what is the equivalent of "IF EXISTS" in databricks? I would like to first check something later after that use the insert into statement.

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Latest Reply
WWoman
Databricks Partner
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Is there a way to check if a table exists, without trying to drop it? something like :select table_name from system_catalogs where database_name = 'mydb' and schema_name = 'myschema' and object_name = 'mytab';

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deng_dev
by • New Contributor III
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Run Query from another notebook in streaming job

Hi!We want to run query located in another notebook every streaming microbatch.We were trying dbutils.run.notebook but we always get errorContext not valid. If you are calling this outside the main thread, you must set the Notebook context via dbutil...

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norbitek
New Contributor II
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Query Parameters means that you have to pass all parameters as a part of URL after question mark not in the body"/api/1.2/commands/status?clusterId=$cid&contextId=$ec_id&commandId=$command_id"

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Databricks143
by • New Contributor III
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Not able to generate Excel file in blob through databricks

Hi team,.I am using cluster 9.1 8n databricks not able to generate Excel file in blob  and  below are conf Cluster:9.1.8Spark version -3.1.1Scala version 3.1.1Library:Com.crealyticsSpark.excel_2.12Version-3.1.1_0.18.2Dependency:Org.apachr.poi-poi-5.2...

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dan_wiltse
by • New Contributor III
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Tableau Delta Sharing

Does anyone have any recent examples of using Tableau and Delta Sharing? The video below mentions using web connector but this connector has been depreciated in Tableau 2023.1. https://www.youtube.com/watch?v=Yg-5LXH9K1I&t=913shttps://help.tableau.co...

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Latest Reply
JohnMT
New Contributor II
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Hi,I am still trying to figure out how to use delta sharing with tableau. I've looking for information for a month without any success. As mentionned before, web data connector is deprecatedAny help would be appreciated.thanks, Johnattan  

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ElaPG
by • New Contributor III
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notebooks naming convention

I have read info about objects names but are there any best practices regarding notebooks naming convention?

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Latest Reply
Rajeev45
Databricks Employee
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It is recommended to name notebooks descriptively so that it is easy to understand their purpose and content. A good practice is to follow a consistent naming convention to help keep notebooks organized. These are some of general practices Use naming...

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AG2
by • Databricks Partner
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Orchestration

Is it possible to use redwood orchestration over Databricks ?

  • 2381 Views
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Latest Reply
Miguel_Suarez
Databricks Employee
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Hi @AG2 , We don't currently support Redwood Orchestration over Databricks. Best, Miguel

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