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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

MR07
by New Contributor II
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  • 2 replies
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Databricks Managing Materialized Views in Delta Live Tables: Selective Refresh Behavior

Hi Community,I have 200 complex SQL Queries and I can't create a Streaming tables using these queries. So, I have created as Materialized Views in Delta Live Tables using these SQL queries and the DLT pipeline should be run continuously.My question i...

  • 4380 Views
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Latest Reply
steyler-db
Databricks Employee
  • 0 kudos

Hello team, thanks for reaching out us, it will be a pleasure to help you on this ask. That's a great catch to run through a materialized, view and regarding the question: If any record of underlying table is inserted, updated or deleted, the only re...

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chevichenk
by New Contributor III
  • 6343 Views
  • 3 replies
  • 3 kudos

Resolved! No userid, username, job when making modifications on tables

Hi, everyone!I'm in this situationI have some jobs that makes changes on a particular table. I use only one user to make this modifications, but then there's a process i can't identify that also makes changes on my table.The question is, there's a re...

chevichenk_1-1718308350095.png
Data Engineering
history
jobs
userid
username
  • 6343 Views
  • 3 replies
  • 3 kudos
Latest Reply
chevichenk
New Contributor III
  • 3 kudos

Hi, @shan_chandra, @LuisRSanchez,Just found that there are some .jar that are executed and are writting on this table but this .jar is called through batchSo, we think this is the cause Thanks!Ingrid

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Jackson1111
by New Contributor III
  • 1229 Views
  • 1 replies
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Databricks job cluster logs

Hello, how can I enable Databricks to generate a separate spark log for each job run?What parameters should I use in spark configuration? 

  • 1229 Views
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Latest Reply
shan_chandra
Databricks Employee
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@Jackson1111 - If you are talking about workflow jobs, you can try running using a job cluster to generate spark logs for a each of the workflow jobs.  But, If this is of Spark Jobs within the Spark UI, you wanted to separate out the logs. This is a ...

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thiagoawstest
by Contributor
  • 3798 Views
  • 6 replies
  • 1 kudos

Resolved! Azure Devops CI/CD - AWS Databricks

Hello, there is documentation for integrating Azure Devops CI/CD pipeline with AWS Databricks.Thanks.

Data Engineering
aws devops
  • 3798 Views
  • 6 replies
  • 1 kudos
Latest Reply
jacovangelder
Honored Contributor
  • 1 kudos

You'll need to install the AWS Toolkit in Azure DevOps, that way you can make a service connection inside your Azure DevOps project that authenticates using an AWS Access Key ID/Secret Access Key (the AWS equivalent to Azure Service Principals). Hope...

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naga_databricks
by Contributor
  • 1566 Views
  • 1 replies
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Overwriting same table

I have a table A that is used in a spark.sql and joins with multiple other tables to get data. this data will be overwritten to the same table A.When i tried this, i get an error consistently as below: ERROR: An error occurred while calling o382.save...

  • 1566 Views
  • 1 replies
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Latest Reply
naga_databricks
Contributor
  • 0 kudos

Found this to be a transient error. Once i restarted the cluster, the overwrite was successful. 

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Babu_Krishnan
by Contributor
  • 1375 Views
  • 1 replies
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Why my DLT is not working with UC?

My IAM profile is not working when accessing the SQS for file notification based ingestion?

  • 1375 Views
  • 1 replies
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Latest Reply
jacovangelder
Honored Contributor
  • 0 kudos

I'm not sure if I fully understand the question, but what location are you monitoring? Is it a DBFS path or mount? If so, consider using a UC Volume. 

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stevenayers-bge
by Contributor
  • 1551 Views
  • 2 replies
  • 1 kudos

Bug with enabling UniForm Data Format?

In the documentation for enabling iceberg compatibility on delta tables, it states that the minReaderVersion for IcebergCompatV1 and IcebergCompatV2 is 2 (https://docs.databricks.com/en/delta/uniform.html#requirements).However, when you run the REORG...

  • 1551 Views
  • 2 replies
  • 1 kudos
Latest Reply
daniel_sahal
Esteemed Contributor
  • 1 kudos

@stevenayers-bge I've just checked source code of delta and you're right - documentation states that tat minReaderVersion should be >=2, but source code is upgrading it to 3https://github.com/delta-io/delta/blob/78970abd96dfc0278e21c04cda442bb05ccde4...

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MaximeGendre
by New Contributor III
  • 1384 Views
  • 1 replies
  • 0 kudos

How to disable DBFS storage

Hello,I administer a self-service oriented Databricks workspace and I notice that more and more users are storing their data in DBFS due to lack of knowledge.They are not specifying a location when creating their schema or they are not specifying a s...

MaximeGendre_1-1718227315313.png
  • 1384 Views
  • 1 replies
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Latest Reply
MaximeGendre
New Contributor III
  • 0 kudos

Replacing "/mnt/adl2" by "dbfs:/mnt/adl2" fixed the issue.

  • 0 kudos
sagarsiddhabha
by New Contributor
  • 594 Views
  • 0 replies
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Attended Data +AI summit at SFO

It was great experience attending this conference.Got great insights about new features.Got to know about new advances in data industry.Attending the conference was an enriching and transformative experience. I gained invaluable insights into the lat...

  • 594 Views
  • 0 replies
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mscsu
by New Contributor
  • 725 Views
  • 0 replies
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Unity catalog

Great learning on serverless compute, Unity catalog, etc

  • 725 Views
  • 0 replies
  • 0 kudos
Trilleo
by New Contributor III
  • 6415 Views
  • 4 replies
  • 2 kudos

Resolved! Handle updates from bronze to silver table stream

Hi Databricks Community,  I am trying to stream from a bronze to a silver table, however, I have the problem that there may be updates in the bronze table. Delta table streaming reads and write does not support skipChangeCommits=false, i.e. handle mo...

  • 6415 Views
  • 4 replies
  • 2 kudos
Latest Reply
Himali_K
New Contributor II
  • 2 kudos

Hi, You can use dlt apply changes to deal with changing source.Delta Live Tables Python language reference | Databricks on AWSThank you

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