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Start your journey with Databricks by joining discussions on getting started guides, tutorials, and introductory topics. Connect with beginners and experts alike to kickstart your Databricks experience.
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Forum Posts

ChristianRRL
by Honored Contributor
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  • 2 replies
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DLT Primary Key Deduplication: Expectations vs. Constraints vs. Other?

I'm trying to figure out what's the best way to "de-duplicate" data via DLT. Currently, my only leads are:Manage data quality with Delta Live Tables | Databricks on AWSVia "Drop invalid records"Constraints on Databricks | Databricks on AWSVia "pre-de...

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Auto Loader
autoloader
Delta Live Table
Delta Live Table Pipeline
dlt
  • 12841 Views
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Palash01
Valued Contributor
  • 3 kudos

Hey @ChristianRRL ,Based on my understanding you want to de-duplicate your data during your DLT pipeline processing unfortunately I was not able to find a solution to this when I ran into this problem due to the native feature limitations.Limitations...

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Phani1
by Databricks MVP
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  • 1 kudos

ADF vs Databricks

Hi Team ,I would appreciate your suggestion on which scenario to choose between ADF (Azure Data Factory) and Databricks for orchestration, as well as any significant differences between them.Regards,Phanindra

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Michael_Galli
Databricks Partner
  • 1 kudos

Hi, I work with both, so it depends on the usecase.ADF is easy to set up and good for data integration, e.g. "copy data" job to transfer files from storage 1 to storage 2ADF data flows (data transformations) can be used to some level, but when the tr...

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harvey-c
by New Contributor III
  • 4151 Views
  • 4 replies
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DLT Performance question with Unity Catalog

Dear Community MembersThis question is about debugging performance issue of DLT pipeline with unity catalog.I had a DLT pipeline in Azure Databricks running on local store i.g. hive_metastore. And the processes took about 2 hour with the auto scalain...

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  • 4 replies
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Mystagon
New Contributor III
  • 0 kudos

Hey Harvey, I getting around the same performance problems as you:From around 25 minutes in a normal workspace to an 1 hour and 20mins in UC workspace. Which is roughly 3x slower.Did you manage to solve this? I've also noticed dbutil.fs.ls() is much ...

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ChristianRRL
by Honored Contributor
  • 4650 Views
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Auto-Update API Data

Not sure if this has come up before, but I'm wondering if Databricks has any kind of functionality to "watch" an API call for changes?E.g. Currently I have a frequently running job that pulls data via an API call and overwrites the old data. This see...

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SamyA
by Databricks Partner
  • 11676 Views
  • 7 replies
  • 4 kudos

System table with state UNAVAILABLE

Hello,When I check the system table's status, it seems that they are in UNAVAILABLE state. I would like to know if anyone have faced this issue ?Because of that, I can't enable the system table. {"schemas":[{"schema":"storage","state":"UNAVAILABLE"},...

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  • 4 kudos
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D365
New Contributor II
  • 4 kudos

May Be internal IssueFollow

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abhijit007
by Databricks Partner
  • 4871 Views
  • 1 replies
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Unable to connect Azure kafka server with public IP from databricks notebook

Hi Team,I am unable to connect (SSH connection) from Azure Databricks Notebook to Azure Kafka server.Kafka Server and Databricks both are under same resource group and region. Also in Inbound rule the port is added in Kafka server.Please help me to r...

abhijit007_0-1704345593867.png abhijit007_1-1704346105457.png
  • 4871 Views
  • 1 replies
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Debayan
Databricks Employee
  • 0 kudos

Hi, This looks like issue with networking config. Could you please check on the routing configs, firewall routes etc to make sure destination IP to 9092 is added in the Azure console? 

  • 0 kudos
311102
by New Contributor
  • 3050 Views
  • 1 replies
  • 0 kudos

user email invitation to workspace not received

HelloSince December 2023, I cannot anymore invite users to connect to my workspace as I used to. For no reason, the users I add through my admin dashboard do not receive the invitation email and thus the link to connect to the workspace.   I tried my...

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  • 1 replies
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Debayan
Databricks Employee
  • 0 kudos

Hi, Could you also please try to add users through account console if Identity Federation is enabled? Refer: https://docs.databricks.com/en/administration-guide/users-groups/users.html#assign-a-user-to-a-workspace-using-the-account-console

  • 0 kudos
thibault
by Contributor III
  • 21440 Views
  • 11 replies
  • 6 kudos

databricks-connect 13.1.0 limitations

Hi,Quite excited to see the new release of databricks-connect, I started writing unit tests running pyspark on a databricks cluster using databricks-connect.After some successful basic unit tests, I tested just more chained transformations on a dataf...

  • 21440 Views
  • 11 replies
  • 6 kudos
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jackson-nline
New Contributor III
  • 6 kudos

I doubled the `spark.connect.grpc.maxInboundMessageSize` parameter to 256mb but that didn't appear to resolve anything.

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udi_azulay
by New Contributor II
  • 1829 Views
  • 1 replies
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Running sql command on Single User cluster vs Shared.

Hi, when i am running the below simple code over my Unity Catalog on a Shared cluster, it works very well.But on a Single User - i am getting : Failed to acquire a SAS token for list on /__unitystorage/schemas/1bb5b053-ac96-471b-8077-8288c56c8a20/tab...

  • 1829 Views
  • 1 replies
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Debayan
Databricks Employee
  • 0 kudos

Hi, Could you please refer to the limitations here: https://docs.databricks.com/en/compute/access-mode-limitations.html . Please let us know if this helps. 

  • 0 kudos
udi_azulay
by New Contributor II
  • 6831 Views
  • 1 replies
  • 0 kudos

local filesystem access is forbidden

Hi,When i running this command over my private cluster (Single User) it works well :dbutils.fs.cp(ituff_file, protocol_local_file_path) When i try to run it over a shared cluster, i am getting : java.lang.SecurityException: Cannot use com.databricks....

  • 6831 Views
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Debayan
Databricks Employee
  • 0 kudos

Hi, Could you please refer to the limitations here: https://docs.databricks.com/en/compute/access-mode-limitations.html#shared-access-mode-limitations-on-unity-catalog  (Volumes do not support dbutils.fs commands distributed to executors.) , Also, fo...

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Mado
by Valued Contributor II
  • 5486 Views
  • 1 replies
  • 0 kudos

How to update a value in a column in a delta table with Map of Struct datatype?

I have a delta table in Databricks named "prod.silver.control_table". It has a few columns including "table_name" with string data type and "transform_options" with the below structure:  |-- transform_options: map (nullable = true) | |-- key: str...

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MAP
Struct
Update_table
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  • 1 replies
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Databricks_Work
by New Contributor II
  • 3560 Views
  • 1 replies
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how to access data in one databricks in another databricks

I want to acces data in another databricks in my databricks, how to do that

  • 3560 Views
  • 1 replies
  • 0 kudos
Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

Hello, many thanks for your question, to be able to provide you with a more precise response we required some additional information:1. When you refer databricks in my databricks are you refering to access data that is in one workspace to another wor...

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Godhuli
by New Contributor II
  • 2230 Views
  • 0 replies
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Unable to login to Databricks Community edition

I signed up to Databricks Community Edition with gmail and verified my account and used it to create a notebook as well but having issue in re-logging in even though email and password provided are correct. I did  try  "Forget Password" step but I am...

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