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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

Taha_Hussain
by Databricks Employee
  • 1509 Views
  • 0 replies
  • 8 kudos

Databricks Office Hours Register for Office Hours to participate in a LIVE Q&A session and receive technical support directly from Databricks expe...

Databricks Office HoursRegister for Office Hours to participate in a LIVE Q&A session and receive technical support directly from Databricks experts! Our next event is scheduled for July 27th from 8:00am - 9:00am PT | 3:00pm - 4:00pm GMT.Whether you ...

  • 1509 Views
  • 0 replies
  • 8 kudos
EveryDayData
by Contributor
  • 2345 Views
  • 1 replies
  • 1 kudos

MergeSchema on Delta Streaming

Hi Guys,Quick thing can we do MergeSchema on update mode in streaming or it is overwrite schema while using update mode . 

  • 2345 Views
  • 1 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hey @Shikher Singh​ Hope all is well! Just wanted to check in if you were able to resolve your issue and would you be happy to share the solution or mark an answer as best? Else please let us know if you need more help. We'd love to hear from you.Tha...

  • 1 kudos
sriramkumar
by New Contributor II
  • 2242 Views
  • 2 replies
  • 1 kudos

Reasons for new Databricks driver

What are the reasons behind Databricks going for their own driver? What differences are made when switching between the previous Spark driver and the new Databricks driver?Is there any specific document I can look at or just the release notes?Also, w...

  • 2242 Views
  • 2 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hey @Sriramkumar Thamizharasan​ Hope all is well! Just wanted to check in if you were able to resolve your issue would you be happy to share the solution or mark an answer as best? Else please let us know if you need more help. We'd love to hear from...

  • 1 kudos
1 More Replies
Krish-685291
by New Contributor III
  • 3572 Views
  • 4 replies
  • 1 kudos

How to perform UPCERTS and DELETE missing records from Target table using MERGE command?

Hi have the following case. I want to perform upcert operation. But along with upcert, I want to delete the records which are missing in source table, but present in the target table. You can think it as a master data update.Source table contains a f...

  • 3572 Views
  • 4 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hey @Krishna Puthran​ Hope you are well. Just wanted to see if you were able to find an answer to your question and would you like to mark an answer as best? It would be really helpful for the other members too.Cheers!

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williamsmith900
by New Contributor
  • 7067 Views
  • 2 replies
  • 1 kudos

How to remove old and unused Docker images

When running Docker for a long time, there are a lot of images in the system. How can I remove all unused Docker images at once safely to free up the storage?In addition, I also want to remove images pulled months ago, So, I'm not asking for removing...

  • 7067 Views
  • 2 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hey there @william smith​ Hope everything is going great!Does @Prabakar Ammeappin​'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 you...

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AlexandrePellet
by New Contributor
  • 4983 Views
  • 3 replies
  • 3 kudos

Resolved! Orchestration Preview - Error updating [JobName] - Either new_cluster or existing_cluster_id must be specified.

I've created a new job with the new UI / feature enabled. I managed to create one task with a new job cluster successfully but when adding a second task with a new job cluster and trying to save it I received the following error: Error updating [Job...

  • 4983 Views
  • 3 replies
  • 3 kudos
Latest Reply
eignerfr
New Contributor II
  • 3 kudos

Hi, I have a similar issue.I'm using the 14 day free trial, setting up the default basic-starter cluster.Then I just followed the basic introduction of dbx with python. https://docs.databricks.com/dev-tools/dbx.htmlCommand Execute is working, but whe...

  • 3 kudos
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Kash
by Contributor III
  • 2784 Views
  • 3 replies
  • 0 kudos

Resolved! Databricks Academy - DataBricks SQL missing for standard users?

Hi there,I'm taking a class in Databricks academy on DataBricks SQL and my company dashboard and community dashboard both are missing the SQL dropdown option. How can those taking classes in the academy actually use the tools we are learning about if...

  • 2784 Views
  • 3 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

https://community.databricks.com/s/question/0D58Y00008wA5klSAC/flatten-a-complex-json-file-and-load-into-a-delta-tableMyAARPMedicare.com

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arda_123
by New Contributor III
  • 1110 Views
  • 0 replies
  • 0 kudos

Databricks Notebook Dashboard

I want to update one widget based on another widget. It gets updated but the dropdown shows the last selected in the dashboard view, but if I go to the notebook view from the dashboard view it updates. Any help? is it a bug?

  • 1110 Views
  • 0 replies
  • 0 kudos
arda_123
by New Contributor III
  • 2234 Views
  • 2 replies
  • 5 kudos
  • 2234 Views
  • 2 replies
  • 5 kudos
Latest Reply
Hubert-Dudek
Databricks MVP
  • 5 kudos

It will be attached to the same cluster, and both will see live the same situation (so it will be, in fact, not run two times but one shared)You can use Repos and branches so everyone will get their branch and own notebook.

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ao1
by Databricks Partner
  • 1957 Views
  • 1 replies
  • 2 kudos

VPC status is BROKEN

Hi,AllWhen I check cloud resources, the VPC status is BROKEN.However, the cluster is runnning without any problems.What is the BROKEN state?And how can I get it healthy?Regards.

  • 1957 Views
  • 1 replies
  • 2 kudos
jayallenmn
by New Contributor III
  • 2410 Views
  • 2 replies
  • 0 kudos

Analyzing 23 GB JSON file

Hey all, We're trying to analyze the data in a 23 GB JSON file. We're using the basic starter cluster - one node, 2 cpu x 8GB.We can read the JSON file into a spark dataframe and print out the schema but if we try and do any operations that won't c...

  • 2410 Views
  • 2 replies
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Latest Reply
Prabakar
Databricks Employee
  • 0 kudos

Hi @Jay Allen​ you can refer to the cluster sizing doc.

  • 0 kudos
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Cozy
by Databricks Partner
  • 5180 Views
  • 5 replies
  • 8 kudos

Resolved! How do I get information of aws cost?

Hi there.I can get Databricks cost(dbus) from usage_log. But, how do I get AWS cost information?I want to show Databricks and AWS cost in my Databricks SQL Dashborad.

  • 5180 Views
  • 5 replies
  • 8 kudos
Latest Reply
Cozy
Databricks Partner
  • 8 kudos

Hi @Kaniz Fatma​ @Prabakar Ammeappin​ Sorry for the late reply.Every answers was helpful for me! My problem has been solved. Thanks!

  • 8 kudos
4 More Replies
vk217
by Contributor
  • 4060 Views
  • 3 replies
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Resolved! Token management is not enabled for this feature tier

I want to create a personal access token for a service principal so that I can use that service principal personal access token in the databricks-connect configure command in an automated build. I followed the instructions from here.https://docs.data...

  • 4060 Views
  • 3 replies
  • 0 kudos
Latest Reply
Atanu
Databricks Employee
  • 0 kudos

@Vikas B​ https://docs.databricks.com/dev-tools/api/latest/scim/scim-sp.html#scim-api-20-serviceprincipals let me know if this helps.

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Data_Engineer3
by Contributor III
  • 3146 Views
  • 2 replies
  • 1 kudos

Unable to access Scala and python variables in-between shells in same notebook.

I am facing issue in while accessing python data frame in Scala shell and vice versa. I am getting error variable not defined.

  • 3146 Views
  • 2 replies
  • 1 kudos
Latest Reply
tomasz
Databricks Employee
  • 1 kudos

The context is not shared between Scala and Python so you won't be able to access the same variables directly. However you can use createOrReplaceTempView to create a temporary view of your dataframe and read it in the other language with read_df = s...

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