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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

sebih
by New Contributor II
  • 723 Views
  • 2 replies
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Cannot use join with Enzyme

I suppose I can use incrementalization on pipelines. Supported operators are listed in here: https://docs.databricks.com/aws/en/optimizations/incremental-refresh#support-for-materialized-view-incremental-refreshHowever, when I run the pipeline, it do...

  • 723 Views
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sebih
New Contributor II
  • 0 kudos

Thank you for your reply. Even though we only do one join, we keep getting this error.

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turagittech
by Contributor
  • 996 Views
  • 2 replies
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Resolved! Managing values that change between development and production

Hi all, when moving from development to testing a production one often needs to handle change values like the blob store or database server being differentI have seen that using widgets can be a useful way to have updateable values for Notebooks and ...

  • 996 Views
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turagittech
Contributor
  • 1 kudos

Great, thanks. Speed in this case isn't critical as it's not processing massive amounts of data, well I hope not massive amounts at this time. It'll be some batch processes that can't use dlt.

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Odoo_ERP
by New Contributor II
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Odoo ERP customization Odoo is one of the most popular ERP software. It is widely use by companies. Odoo customization mainly includes changing the sy...

Odoo ERP customizationOdoo is one of the most popular ERP software. It is widely use by companies. Odoo customization mainly includes changing the system by including new features and functionalities in accordance with the business needs of the clien...

  • 4125 Views
  • 2 replies
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danieljogi
New Contributor II
  • 1 kudos

Odoo ERP customization is process to customize module, CRM, website, POS, report and more to meet the specific business requirement. 

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Datalight
by Contributor
  • 4114 Views
  • 4 replies
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Resolved! Data Transfer using Unity Catalog full implementation

I have to share data between Azure A   and Azure B . using unity catalog and delta sharing.Every Time Data comes to Azure A, The same Data can be read by AzureB.How to handle Incremental Load. for change records I think I need to use Merge Statement....

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turagittech
Contributor
  • 2 kudos

This works well when set up, If you're securely set up in Azure you will need to grant a privatelink to the underlying storage for their service to read data. For enhanced security I'd recommend your catalog for the other party then be in external st...

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vishesh_berera
by New Contributor III
  • 612 Views
  • 1 replies
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How can we Implement Conditional Logic on SQL Query Output in Job Workflow

I'm trying to create a job where I define a get data task that executes a SQL query. After that, I want to apply conditional logic using an if-else task based on the query output. Specifically, I want to check each row individually—if a condition is ...

vishesh_berera_0-1755112079334.png
  • 612 Views
  • 1 replies
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BR_DatabricksAI
Databricks Partner
  • 0 kudos

Hello, I believe the the fixed parameter option is exists and introduced recently in  lake flow declarative pipeline where you need to navigate to the configuration section and add parameters.

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Ramu1821
by New Contributor II
  • 3246 Views
  • 2 replies
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Merge using DLT

I have a requirement where i need only 24 hours data from my delta tablelets call this as latest tablethis latest table should be in sync with sourceso, it should handle all updates and inserts along with delete (if something gets deleted at source, ...

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Ramu1821
New Contributor II
  • 0 kudos

from pyspark.sql.functions import col, lit, expr, when, to_timestamp, current_timestampfrom pyspark.sql.functions import max as max_import dltfrom pyspark.sql.types import StructType, StructField, StringTypefrom pyspark.sql.utils import AnalysisExcep...

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boitumelodikoko
by Databricks Partner
  • 14557 Views
  • 7 replies
  • 4 kudos

Resolved! Databricks Autoloader Checkpoint

Hello Databricks Community,I'm encountering an issue with the Databricks Autoloader where, after running successfully for a period of time, it suddenly stops detecting new files in the source directory. This issue only gets resolved when I reset the ...

  • 14557 Views
  • 7 replies
  • 4 kudos
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boitumelodikoko
Databricks Partner
  • 4 kudos

I have found that reducing the number of objects in the landing path (via an archive/cleanup process) is the most reliable fix. Auto Loader's file discovery can bog down in big/"long-lived" landing folders—especially in directory-listing mode—so clea...

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boskicl
by New Contributor III
  • 41730 Views
  • 8 replies
  • 12 kudos

Resolved! Table write command stuck "Filtering files for query."

Hello all,Background:I am having an issue today with databricks using pyspark-sql and writing a delta table. The dataframe is made by doing an inner join between two tables and that is the table which I am trying to write to a delta table. The table ...

filtering job_info spill_memory
  • 41730 Views
  • 8 replies
  • 12 kudos
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nvashisth
New Contributor III
  • 12 kudos

@timo199 , @boskicl I had similar issue and job was getting stuck at Filtering Files for Query indefinitely. I checked SPARK logs and based on that figured out that we had enabled PHOTON acceleration on our cluster for job and datatype of our columns...

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sowanth
by New Contributor II
  • 1038 Views
  • 3 replies
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Spark Memory Configuration– Request for Clarification

Hi Team,I have noticed the following Spark configuration is being applied, though it's not defined in our repo or anywhere in the policies:spark.memory.offHeap.enabled = true  spark.memory.offHeap.size = Around 3/4 of the node instance memory (i.e 1-...

  • 1038 Views
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sowanth
New Contributor II
  • 0 kudos

Now I understand how it's automatically configured in our cluster along with the rationale behind this off-heap memory approach.However, I have some concerns about this configuration:General applicability: Most jobs don't actually require 70% off-hea...

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jeremy98
by Honored Contributor
  • 650 Views
  • 1 replies
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how to manage a dynamic scheduled job if an INTERNAL_ERROR occurs?

Hi community,My team and I have been occasionally experiencing INTERNAL_ERROR events in Databricks. We have a job that runs on a schedule, but the start times vary. Sometimes, when the job is triggered, the underlying cluster fails to start for some ...

  • 650 Views
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SP_6721
Honored Contributor II
  • 0 kudos

Hi @jeremy98 ,To investigate, check the Jobs UI for failed runs and review both error messages and cluster logs. Monitor failure trends over time and adjust cluster settings or quotas if needed.https://docs.databricks.com/gcp/en/jobs/repair-job-failu...

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ManojkMohan
by Honored Contributor II
  • 1865 Views
  • 1 replies
  • 1 kudos

Resolved! Notebook not found: Error

Last execution failed Notebook not found: Users/manojdatabricks73@gmail.com/includes/CreateRawData. Notebooks can be specified via a relative path (./Notebook or ../folder/Notebook) or via an absolute path (/Abs/Path/to/Notebook). Make sure you are s...

  • 1865 Views
  • 1 replies
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Latest Reply
lingareddy_Alva
Esteemed Contributor
  • 1 kudos

Hi @ManojkMohan 1. Verify the exact notebook location in the workspaceIn Databricks, open the Workspace browser.Navigate manually to where you think CreateRawData lives.Right-click on the notebook and select Copy Path — this gives you the exact absol...

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databricks_use2
by New Contributor II
  • 2396 Views
  • 2 replies
  • 2 kudos

Resolved! Autoloader Checkpoint Issue

I was pulling data from an S3 source using a Databricks Autoloader pipeline. Some files in the source contained bad characters, which caused the Autoloader to fail to load the data. These problematic files have now been removed from the source, but D...

  • 2396 Views
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lingareddy_Alva
Esteemed Contributor
  • 2 kudos

Hello @databricks_use2 If you are okay this please make this as solution so that this can help others.

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grazie
by Contributor
  • 4099 Views
  • 4 replies
  • 3 kudos

Do you need to be workspace admin to create jobs?

We're using a setup where we use gitlab ci to deploy workflows using a service principal, using the Jobs API (2.1) https://docs.databricks.com/dev-tools/api/latest/jobs.html#operation/JobsCreateWhen we wanted to reduce permissions of the ci to minimu...

  • 4099 Views
  • 4 replies
  • 3 kudos
Latest Reply
Anonymous
Not applicable
  • 3 kudos

Hi @Geir Iversen​ Thank you for posting your question in our community! We are happy to assist you.To help us provide you with the most accurate information, could you please take a moment to review the responses and select the one that best answers ...

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susmitsircar
by New Contributor III
  • 1534 Views
  • 3 replies
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Spark streaming failing intermittently with FileAlreadyExistsException RocksDB checkpointing

We are encountering an issue in our Spark streaming pipeline when attempting to write checkpoint data to S3. The error we are seeing is as follows:25/08/12 13:35:40 ERROR RocksDBFileManager : Error zipping to s3://xxx-datalake-binary/event-types/chec...

  • 1534 Views
  • 3 replies
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Latest Reply
lingareddy_Alva
Esteemed Contributor
  • 0 kudos

Hi @susmitsircar Best practices / Fixes1. Clean up the checkpoint directory before restartIf you know the stream can safely start from scratch or reprocess data:Delete the S3 checkpoint path before restarting.This ensures no stale 0.zip files remain....

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