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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

Somi
by New Contributor III
  • 852 Views
  • 0 replies
  • 1 kudos

How to set sparkTrials? I am receiving this TypeError: cannot pickle '_thread.lock' object

Hey Sara, this Somayeh from VINN Automotive.As I had already shared with you, I am trying to distribute hyperparameter tuning using hyperopt on a tensorflow.keras model. I am using sparkTrials in my fmin:spark_trials = SparkTrials(parallelism=4)...be...

  • 852 Views
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saira1122
by New Contributor
  • 512 Views
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bit.ly

If you are having trouble with any study problem, you should first find the source of the problem.https://bit.ly/3AoiotQ

  • 512 Views
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Dhara
by New Contributor III
  • 2348 Views
  • 3 replies
  • 1 kudos

Access multiple .mdb files using Python

Hi, I wanted to access multiple .mdb access files which are stored in the Azure Data Lake Storage(ADLS) or on Databricks File System using Python. Can anyone help me on how can I do it? It would be great if you can share some code snippets for the sa...

  • 2348 Views
  • 3 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hey there @Dhara Mandal​ Hope everything is going great.Just wanted to check in to see if you were able to resolve your issue and would you be happy to mark an answer as best or do you need more help? We'd love to hear from you.Thanks!

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2 More Replies
isaac_gritz
by Databricks Employee
  • 1282 Views
  • 0 replies
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Data Mesh with Databricks

Where to Learn More about Databricks for Data MeshWe recommend checking out our Data & AI Summit Talk on how the Databricks Lakehouse platform is the best platform for distributed architectures like Data Mesh. We would also recommend checking out thi...

  • 1282 Views
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  • 1 kudos
isaac_gritz
by Databricks Employee
  • 2214 Views
  • 0 replies
  • 4 kudos

CI/CD Best Practices

Best Practices for CI/CD on DatabricksFor CI/CD and software engineering best practices with Databricks notebooks we recommend checking out this best practices guide (AWS, Azure, GCP).For CI/CD and local development using an IDE, we recommend dbx, a ...

  • 2214 Views
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  • 4 kudos
weldermartins
by Honored Contributor
  • 8148 Views
  • 9 replies
  • 13 kudos

Resolved! Delta table upsert - databricks community

Hello guys,I'm trying to use upsert via delta lake following the documentation, but the command doesn't update or insert newlines.scenario: my source table is separated in bronze layer and updates or inserts are in silver layer.from delta.tables impo...

  • 8148 Views
  • 9 replies
  • 13 kudos
Latest Reply
weldermartins
Honored Contributor
  • 13 kudos

I managed to find the solution. In insert and update I was setting the target.tanks @Werner Stinckens​ !delta_df = DeltaTable.forPath(spark, 'dbfs:/mnt/silver/vendas/')     delta_df.alias('target').m...

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8 More Replies
isaac_gritz
by Databricks Employee
  • 1380 Views
  • 0 replies
  • 2 kudos

Connecting Applications and BI Tools to Databricks SQL

Access Data in Databricks Using an Application or your Favorite BI ToolYou can leverage Partner Connect for easy, low-configuration connections to some of the most popular BI tools through our optimized connectors. Alternatively, you can follow these...

  • 1380 Views
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  • 2 kudos
isaac_gritz
by Databricks Employee
  • 958 Views
  • 0 replies
  • 3 kudos

Optimize Azure VM / AWS EC2 / GKE Cloud Infrastructure Costs

Tips on Reducing Cloud Compute Infrastructure Costs for Azure VM, AWS EC2, and GCP GKE on DatabricksDatabricks takes advantage of the latest Azure VM / AWS EC2 / GKE VM/instance types to ensure you get the best price performance for your workloads on...

  • 958 Views
  • 0 replies
  • 3 kudos
isaac_gritz
by Databricks Employee
  • 8187 Views
  • 4 replies
  • 2 kudos

Performance Tuning Best Practices

Recommendations for performance tuning best practices on DatabricksWe recommend also checking out this article from my colleague @Franco Patano​ on best practices for performance tuning on Databricks.​Performance tuning your workloads is an important...

Performance Tuning Framework.png
  • 8187 Views
  • 4 replies
  • 2 kudos
Latest Reply
isaac_gritz
Databricks Employee
  • 2 kudos

Let us know in the comments if you have any other performance tuning tips & tricks

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3 More Replies
438037
by New Contributor
  • 988 Views
  • 0 replies
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Databricks VPC - EKS VPC security groups

Hi,We have a databricks deployment in our AWS account in a dedicated VPC which we created a VPC peering to our EKS VPC, in the EKS main security group we added a rule that opens all TCP ports from the Databricks VPC and now it's working. Once I try t...

  • 988 Views
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Vadim1
by New Contributor III
  • 1581 Views
  • 2 replies
  • 2 kudos

How to pass HBase-site.xml to a Databricks job?

Hi, I have Azure Hbase cluster and Databricks. I want to run jobs on Databricks that write data to Hbase. To connect to Hbase I need to get Hbase-site.xml and have it in the classpath or env of a job.Question: How can I run the Databricks job with an...

  • 1581 Views
  • 2 replies
  • 2 kudos
Latest Reply
jose_gonzalez
Databricks Employee
  • 2 kudos

Hi @Vadim Z​,Just a friendly follow-up. Did the response from Hubert help you to resolve your issues? let us know if you still are looking for help

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1 More Replies
Reddraider
by New Contributor
  • 1409 Views
  • 0 replies
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What happened to the Custom option in the Cluster Configuration Access Mode menu option?

We are trying to configure a job cluster for a workflow. It looks as though we no longer have the option in the Access mode drop down for 'Custom'. We need custom as we have additional Spark configuration key/value settings we apply. The UI throws an...

  • 1409 Views
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sanchit_popli
by New Contributor II
  • 1253 Views
  • 0 replies
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How can process 3.5GB GZ (~90GB) nested JSON and convert them to tabular formats with less processing time and optimized cost in Azure Databricks?

I have a total of 5000 files (Nested JSON ~ 3.5 GB). I have written a code which converts the json to Table in minutes (for JSON size till 1 GB) but when I am trying to process 3.5GB GZ json it is mostly getting failed because of Garbage collection. ...

Data frame structure Code Reading Code
  • 1253 Views
  • 0 replies
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Delta
by New Contributor II
  • 15759 Views
  • 1 replies
  • 2 kudos
  • 15759 Views
  • 1 replies
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Latest Reply
Anonymous
Not applicable
  • 2 kudos

Hey @Rahul Kumar​ Hope everything is going great.Just checking in. Does @Kaniz Fatma​'s response answer your question? If yes, would you be happy to mark it as best so that other members can find the solution more quickly? Else please let us know if ...

  • 2 kudos

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