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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

Phani1
by Databricks MVP
  • 1254 Views
  • 0 replies
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Unity catalog accounts

Hi Team,We have the requirement to have metadata(Unity catalog) in one AWS account and data storage(Delta tables under data) in another account, is it possible to do that , Do we face any technical/Security issue??

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278875
by New Contributor
  • 23751 Views
  • 4 replies
  • 1 kudos

How do I figure out the cost breakdown for Databricks

I'm trying to figure out the cost breakdown for the Databricks usage for my team.When I go into the Databricks administration console and click Usage when I select to show the usage By SKU it just displays the type of cluster but not the name of it. ...

  • 23751 Views
  • 4 replies
  • 1 kudos
Latest Reply
MuthuLakshmi
Databricks Employee
  • 1 kudos

Please check the below docs for usage related informations. The Billable Usage Logs: https://docs.databricks.com/en/administration-guide/account-settings/usage.html You can filter them using tags for more precise information which you are looking for...

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3 More Replies
Rafal9
by New Contributor III
  • 9387 Views
  • 0 replies
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Issue during testing SparkSession.sql() with pytest.

Dear Community,I am testing pyspark code via pytest using VS code and Databricks Connect.SparkSession is initiated from Databricks Connect: from databricks.connect import DatabricksSessionspark = DatabricksSession.builder.getOrCreate()I am  receiving...

  • 9387 Views
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svrdragon
by New Contributor
  • 3167 Views
  • 0 replies
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optimizeWrite takes too long

Hi , We have a spark job write data in delta table for last 90 date partition. We have enabled spark.databricks.delta.autoCompact.enabled and delta.autoOptimize.optimizeWrite. Job takes 50 mins to complete. In that logic takes 12 mins and optimizewri...

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erigaud
by Honored Contributor
  • 11704 Views
  • 3 replies
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Merge DLT with Delta Table

Is there anyway to accomplish this ? I have an existing Delta Table and a separate Delta Live Table pipelines and I would like to merge data from a DLT to my existing Delta Table. Is this doable or completely impossible ?

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Latest Reply
LeifBruen
New Contributor II
  • 0 kudos

Merging data from a Delta Live Table (DLT) into an existing Delta Table is possible with careful planning. Transition data from DLT to Delta Table through batch processing, data transformation, and ETL processes, ensuring schema compatibility. 

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NotARobot
by New Contributor III
  • 2126 Views
  • 0 replies
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Force DBR/Spark Version in Delta Live Tables Cluster Policy

Is there a way to use Compute Policies to force Delta Live Tables to use specific Databricks Runtime and PySpark versions? While trying to leverage some of the functions in PySpark 3.5.0, I don't seem to be able to get Delta Live Tables to use Databr...

test_cluster_policy.png dlt_version.png
Data Engineering
Compute Policies
Delta Live Tables
Graphframes
pyspark
  • 2126 Views
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  • 2 kudos
JohnJustus
by New Contributor III
  • 14919 Views
  • 1 replies
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Accessing Excel file from Databricks

Hi,I am trying to access excel file that is stored in Azure Blob storage via Databricks.In my understanding, it is not possible to access using Pyspark. So accessing through Pandas is the option,Here is my code.%pip install openpyxlimport pandas as p...

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  • 1 replies
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databicky
by Contributor II
  • 7131 Views
  • 3 replies
  • 1 kudos

No handler for udf/udaf/udtf for function

i created one function using jar file which is present in the cluster location, but when executing the hive query it is showing error as no handler for udf/udaf/udtf . this queries is running fine in hd insight clusters but when running in databricks...

IMG20231015164650.jpg
  • 7131 Views
  • 3 replies
  • 1 kudos
dbuser1234
by New Contributor
  • 3417 Views
  • 0 replies
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How to readstream from multiple sources?

Hi I am trying to readstream from 2 sources and join them into a target table. How can I do this in pyspark? Egt1 + t2 as my bronze table. I want to readstream from t1 and t2, and merge the changes into t3 (silver table)

  • 3417 Views
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anmol_hans_de
by Databricks Partner
  • 9163 Views
  • 0 replies
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Exam suspended by proctor

Hi Team,I need urgent support since I was about to submit my exam and was just reviewing the responses but proctor suspended it because i did not satisfy the proctoring conditions. Even though i was sitting in a room with clear background and well li...

  • 9163 Views
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BST
by New Contributor
  • 1830 Views
  • 0 replies
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Spark - Cluster Mode - Driver

When running a Spark Job in Cluster Mode, how does Spark decide which worker node to place the driver resources ? 

  • 1830 Views
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anirudh_a
by New Contributor II
  • 25506 Views
  • 8 replies
  • 5 kudos

Resolved! 'No file or Directory' error when using pandas.read_excel in Databricks

I am baffled by the behaviour of Databricks:Below you can see the contents of the directory using dbutils in Databricks. It shows the `test.xlsx` file clearly in directory (and I can even open it using `dbutils.fs.head`) But when I go to use panda.re...

wCLqf
Data Engineering
dbfs
panda
spark
spark config
  • 25506 Views
  • 8 replies
  • 5 kudos
Latest Reply
DamnKush
New Contributor II
  • 5 kudos

Hey, I encountered it recently. I can see you are using the shared cluster, try switching to a single user cluster and it will fix it.Can someone let me know why it wasn't working w a shared cluster?Thanks.

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