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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

verargulla
by New Contributor III
  • 13154 Views
  • 5 replies
  • 4 kudos

Azure Databricks: Error Creating Cluster

We have provisioned a new workspace in Azure using our own VNet. Upon creating the first cluster, I encounter this error:Control Plane Request Failure: Failed to get instance bootstrap steps from the Databricks Control Plane. Please check that instan...

  • 13154 Views
  • 5 replies
  • 4 kudos
Latest Reply
Mohamednazeer
New Contributor III
  • 4 kudos

We are also facing the same issue.

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4 More Replies
Rita
by New Contributor III
  • 8525 Views
  • 7 replies
  • 6 kudos

How to connect Cognos 11.1.7 to Azure Databricks

We are trying to connect Cognos 11.1.7 to Azure Databricks, but no success.Can you please help or guide us how to connect Cognos 11.1.7 to Azure Databricks.This is very critical to our user community. Can you please help or guide us how to connect Co...

  • 8525 Views
  • 7 replies
  • 6 kudos
Latest Reply
Hans2
New Contributor II
  • 6 kudos

Have anyone got the Simba JDBC driver going with CA 11.1.7? The ODBC driver works fine but i  can't get the JDBC running.Regd's

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krishnachaitany
by New Contributor II
  • 5091 Views
  • 3 replies
  • 4 kudos

Resolved! Spot instance in Azure Databricks

When I run a job enabling using spot instances , I would like to know how many number of workers are using spot and how many number of workers are using on demand instances for a given job run In order to identify the spot instances we got for any...

  • 5091 Views
  • 3 replies
  • 4 kudos
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drumcircle
New Contributor II
  • 4 kudos

This remains a challenge using system tables.

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Ajay-Pandey
by Esteemed Contributor III
  • 5777 Views
  • 5 replies
  • 5 kudos

Support of running multiple cells at a time in databricks notebook Hi all,Now databricks notebook supports parallel run of commands in a single notebo...

Support of running multiple cells at a time in databricks notebookHi all,Now databricks notebook supports parallel run of commands in a single notebook that will help run ad hoc queries simultaneously without creating a separate notebook.Once you run...

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  • 5777 Views
  • 5 replies
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SunilUIIT
New Contributor II
  • 5 kudos

Hi Team,I am observing that the functionality is not working as expected in the Trial workspace of Databricks. Is there a setting that needs to be enabled to allow independent SQL cells in a Databricks notebook to run in parallel, while dependent cel...

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boskicl
by New Contributor III
  • 30021 Views
  • 6 replies
  • 10 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
  • 30021 Views
  • 6 replies
  • 10 kudos
Latest Reply
timo199
New Contributor II
  • 10 kudos

Even if I vacuum and optimize, it keeps getting stuck.cluster type is r6gd.xlarge min:4, max:6driver type is r6gd.2xlarge

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Hubert-Dudek
by Esteemed Contributor III
  • 21256 Views
  • 4 replies
  • 26 kudos

How to connect your Azure Data Lake Storage to Azure DatabricksStandard Workspace �� Private link In your storage accounts please go to “Networ...

How to connect your Azure Data Lake Storage to Azure DatabricksStandard Workspace Private linkIn your storage accounts please go to “Networking” -> “Private endpoint connections” and click Add Private Endpoint.It is important to add private links in ...

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  • 21256 Views
  • 4 replies
  • 26 kudos
Latest Reply
dollyb
Contributor
  • 26 kudos

This should be updated for Unity Catalog workspaces. 

  • 26 kudos
3 More Replies
LightUp
by New Contributor III
  • 7870 Views
  • 3 replies
  • 4 kudos

Converting SQL Code to SQL Databricks

I am new to Databricks. Please excuse my ignorance. My requirement is to convert the SQL query below into Databricks SQL. The query comes from EventLog table and the output of the query goes into EventSummaryThese queries can be found hereCREATE TABL...

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  • 7870 Views
  • 3 replies
  • 4 kudos
Latest Reply
thelogicplus
Contributor
  • 4 kudos

you may explore the tool and services from Travinto Technologies . They have very good tools. We had explored their tool for our code coversion from  Informatica, Datastage and abi initio to DATABRICKS , pyspark. Also we used for SQL queries, stored ...

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sreedata
by New Contributor III
  • 3412 Views
  • 4 replies
  • 5 kudos

Resolved! Databricks -->Workflows-->Job Runs

In Databricks -->Workflows-->Job Runs we have a column "Run As".From where does this value come. We are getting a user id here but need to change it to a generic account. Any help would be appreciated. Thanks

  • 3412 Views
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Latest Reply
Leon_K
New Contributor II
  • 5 kudos

I'm surprised why there no options to select "Run as" as something like "system user". Why all this complication with Service Principal? Where to report this ?@DataBricks  

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Jyo777
by Contributor
  • 6022 Views
  • 7 replies
  • 4 kudos

need help with Azure Databricks questions on CTE and SQL syntax within notebooks

Hi amazing community folks,Feel free to share your experience or knowledge regarding below questions:-1.) Can we pass a CTE sql statement into spark jdbc? i tried to do it i couldn't but i can pass normal sql (Select * from ) and it works. i heard th...

  • 6022 Views
  • 7 replies
  • 4 kudos
Latest Reply
Rjdudley
Honored Contributor
  • 4 kudos

Not a comparison, but there is a DB-SQL cheatsheet at https://www.databricks.com/sites/default/files/2023-09/databricks-sql-cheatsheet.pdf/

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Data_Analytics1
by Contributor III
  • 33192 Views
  • 10 replies
  • 10 kudos

Failure starting repl. How to resolve this error? I got this error in a job which is running.

Failure starting repl. Try detaching and re-attaching the notebook.java.lang.Exception: Python repl did not start in 30 seconds. at com.databricks.backend.daemon.driver.IpykernelUtils$.startIpyKernel(JupyterDriverLocal.scala:1442) at com.databricks.b...

  • 33192 Views
  • 10 replies
  • 10 kudos
Latest Reply
PabloCSD
Valued Contributor
  • 10 kudos

I have had this problem many times, today I made a copy of the cluster and it got "de-saturated", it could help someone in the future

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Ajay-Pandey
by Esteemed Contributor III
  • 2093 Views
  • 1 replies
  • 5 kudos

Notebook cell output results limit increased- 10,000 rows or 2 MB. Hi all, Now, databricks start showing the first 10000 rows instead of 1000 rows.Tha...

Notebook cell output results limit increased- 10,000 rows or 2 MB.Hi all,Now, databricks start showing the first 10000 rows instead of 1000 rows.That will reduce the time of re-execution while working on fewer sizes of data that have rows between 100...

  • 2093 Views
  • 1 replies
  • 5 kudos
Latest Reply
F_Goudarzi
New Contributor III
  • 5 kudos

Hi Ajay,Is there any way to increase this limit?Thanks, Fatima

  • 5 kudos
Data_Engineer3
by Contributor III
  • 3471 Views
  • 5 replies
  • 0 kudos

Default maximum spark streaming chunk size in delta files in each batch?

working with delta files spark structure streaming , what is the maximum default chunk size in each batch?How do identify this type of spark configuration in databricks?#[Databricks SQL]​ #[Spark streaming]​ #[Spark structured streaming]​ #Spark​ 

  • 3471 Views
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Latest Reply
NandiniN
Databricks Employee
  • 0 kudos

doc - https://docs.databricks.com/en/structured-streaming/delta-lake.html  Also, what is the challenge while using foreachbatch?

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Arpi
by New Contributor II
  • 3892 Views
  • 4 replies
  • 4 kudos

Resolved! Database creation error

I am trying to create database with external location abfss but facing the below error.AnalysisException: org.apache.hadoop.hive.ql.metadata.HiveException: MetaException(message:Got exception: shaded.databricks.azurebfs.org.apache.hadoop.fs.azurebfs....

  • 3892 Views
  • 4 replies
  • 4 kudos
Latest Reply
source2sea
Contributor
  • 4 kudos

Changing it to a CLUSTER level for OAuth authentication helped me solve the problem.I wish the notebook AI bot could tell me the solution.before the changes, my configraiotn was at the notebook leve.and  it has below errorsAnalysisException: org.apac...

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DJey
by New Contributor III
  • 15279 Views
  • 6 replies
  • 2 kudos

Resolved! MergeSchema Not Working

Hi All, I have a scenario where my Exisiting Delta Table looks like below:Now I have an incremental data with an additional column i.e. owner:Dataframe Name --> scdDFBelow is the code snippet to merge Incremental Dataframe to targetTable, but the new...

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  • 15279 Views
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Amin112
New Contributor II
  • 2 kudos

In Databricks Runtime 15.2 and above, you can specify schema evolution in a merge statement using SQL or Delta table APIs:MERGE WITH SCHEMA EVOLUTION INTO targetUSING sourceON source.key = target.keyWHEN MATCHED THENUPDATE SET *WHEN NOT MATCHED THENI...

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Tico23
by Contributor
  • 15361 Views
  • 12 replies
  • 10 kudos

Connecting SQL Server (on-premise) to Databricks via jdbc:sqlserver

Is it possible to connect to SQL Server on-premise (Not Azure) from Databricks?I tried to ping my virtualbox VM (with Windows Server 2022) from within Databricks and the request timed out.%sh   ping 122.138.0.14This is what my connection might look l...

  • 15361 Views
  • 12 replies
  • 10 kudos
Latest Reply
BharathKumarS
New Contributor II
  • 10 kudos

I tried to connect to localhost sql server through databricks community edition, but it failed. I have created an IP rule on port 1433 allowed inbound connection from all public network, but still didn't connect. I tried locally using python its work...

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