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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

Anonymous
by Not applicable
  • 925 Views
  • 0 replies
  • 3 kudos

Hello again Databricks Community!  On July 28th we are hosting another Community Social Event! We want to make sure that we all have the chance to con...

Hello again Databricks Community! On July 28th we are hosting another Community Social Event! We want to make sure that we all have the chance to connect as a community often. Come network, talk data, and just get social! Join us for our July Communi...

  • 925 Views
  • 0 replies
  • 3 kudos
MatheusData
by New Contributor II
  • 2828 Views
  • 1 replies
  • 0 kudos

Failed to start cluster.

Hello,i'm getting this message today everytime i try to run a notebook since i logged in:When i click 'ok' nothing happens.I tried refreshing and switching browsers already. Tried run this cell, run below cells, run all cells, etc. I also tried to cr...

image
  • 2828 Views
  • 1 replies
  • 0 kudos
User16783853430
by Databricks Employee
  • 3533 Views
  • 2 replies
  • 0 kudos

Connecting Power BI to DBSQL

Trying to connect Power BI with veresion 2.106.582.0 32 bit But get the error

MicrosoftTeams-image (8)
  • 3533 Views
  • 2 replies
  • 0 kudos
Latest Reply
pavan_kumar
Databricks Employee
  • 0 kudos

@Wilbur Tong​ Along with the steps mentioned by @Akash Bhat​ please try to follow the steps mentioned in below document:https://docs.microsoft.com/en-us/power-bi/connect-data/desktop-connector-extensibility#custom-connectorsfor downloading the pqx fi...

  • 0 kudos
1 More Replies
RantoB
by Valued Contributor
  • 21800 Views
  • 6 replies
  • 9 kudos

Error with databricks workspace

Hi,I have the following error :Error: b'{"error_code":"TEMPORARILY_UNAVAILABLE","message":"The service at /api/2.0/workspace/get-status is temporarily unavailable. Please try again later."}'when I do :databricks workspace export_dir path .ordatabrick...

  • 21800 Views
  • 6 replies
  • 9 kudos
Latest Reply
Hubert-Dudek
Databricks MVP
  • 9 kudos

Please try to reconfigure cli. Please double check databricks hostdatabricks configure --tokenRegarding second command which you shared (%sh ls /Workspace) it will not work on free community edition. There you can use only native function like -  dbu...

  • 9 kudos
5 More Replies
RS1
by New Contributor III
  • 6444 Views
  • 6 replies
  • 7 kudos

Data & AI Summit 2022 - Training Videos of paid Instructor led sessions not yet uploaded. @kaniz fatma

@Kaniz Fatma​ I attended the Advanced Machine Learning with Databricks training last week virtually I am still unable to get the day 2 session videos of any of the Instructor led Paid Trainings. They are supposed to be available for replay with in 24...

  • 6444 Views
  • 6 replies
  • 7 kudos
Latest Reply
RS1
New Contributor III
  • 7 kudos

Hi @Kaniz Fatma​ , they uploaded the full video for Advanced Machine Learning with Databricks course day 2, Thank you for the follow up. but still we have the same issue with Apache Spark Programming with Databricks - Bundle: Day 2 Training . can you...

  • 7 kudos
5 More Replies
Tejas1987
by New Contributor II
  • 5155 Views
  • 2 replies
  • 1 kudos

Resolved! Finding multiple substrings from a DataFrame column dynamically?

Hello friends,I have a DataFrame with specific values. I am trying to find specific values out of it.   *I/P -|ID | text ||:--|:------||1 | select distinct Col1 as OrderID from Table1 WHERE ( (Col3 Like '%ABC%') OR (Col3 Like '%DEF%') OR (Col3 Like '...

  • 5155 Views
  • 2 replies
  • 1 kudos
Latest Reply
AmanSehgal
Honored Contributor III
  • 1 kudos

What is the logic for substring function?Can't you use str1[idxi+14:3] for substring?

  • 1 kudos
1 More Replies
BradSheridan
by Databricks Partner
  • 5730 Views
  • 4 replies
  • 0 kudos

CDC with Delta Live Tables, with AutoLoader, isn't applying 'deletes'

Hey there Community!! I'm using dlt.apply_changes in my DLT job as follows:dlt.apply_changes( target = "employee_silver",  source = "employee_bronze_clean_v",  keys = ["EMPLOYEE_ID"],  sequence_by = col("last_updated"),  apply_as_deletes = expr("Op ...

  • 5730 Views
  • 4 replies
  • 0 kudos
Latest Reply
axb0
Databricks Employee
  • 0 kudos

First try expr("Operation = 'DELETE'") for your apply_as_deletes

  • 0 kudos
3 More Replies
Anonymous
by Not applicable
  • 18774 Views
  • 26 replies
  • 4 kudos

Use Case Sharing Sweepstakes !  Data + AI Summit is in full swing and we know you are just as excited as we are to learn about the new and exciting th...

Use Case Sharing Sweepstakes ! Data + AI Summit is in full swing and we know you are just as excited as we are to learn about the new and exciting things happening at Databricks. From notebooks to the Lakehouse, we know some of these new features wil...

  • 18774 Views
  • 26 replies
  • 4 kudos
Latest Reply
AmanSehgal
Honored Contributor III
  • 4 kudos

Cloning libraries when cloning clustersCurrently when we clone clusters, the externally added libraries aren't copied as part of cloning process.It's an expected behavior but a missing one. At times new developers end up spending lot of time in debug...

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25 More Replies
AmanSehgal
by Honored Contributor III
  • 14150 Views
  • 2 replies
  • 12 kudos

How concurrent runs in a job matches to cluster configuration?

In databricks jobs, there's a field to add concurrent runs which can be set to 1000.If I've a cluster with 4 worker nodes and 8 cores each, then at max how many concurrent jobs I'll be able to execute?What will happen if I launch 100 instances of sam...

  • 14150 Views
  • 2 replies
  • 12 kudos
Latest Reply
Prabakar
Databricks Employee
  • 12 kudos

@Aman Sehgal​ On E2 workspace the limit is 1000 concurrent runs. If you trigger 100 runs​ at the same time, 100 clusters will be created and the runs will be executed. If you use the same cluster for 100 runs, then you might face a lot of failed jobs...

  • 12 kudos
1 More Replies
Nickje56
by New Contributor
  • 7425 Views
  • 1 replies
  • 1 kudos

Resolved! _sqldf not defined

In the release notes of May 2022 it says that we are now able to investigate our SQL results in python in a python notebook. (See also documentation here: Use notebooks - Azure Databricks | Microsoft Docs ) So I created a simple query (select * from ...

  • 7425 Views
  • 1 replies
  • 1 kudos
Latest Reply
User16753725469
Databricks Employee
  • 1 kudos

This feature was delayed and will be rolled out over Databricks platform releases 3.74 through 3.76. you can check the release notes for more info --> https://docs.databricks.com/release-notes/product/2022/may.html

  • 1 kudos
Confused
by New Contributor III
  • 13870 Views
  • 7 replies
  • 2 kudos

Schema evolution issue

Hi AllI am loading some data using auto loader but am having trouble with Schema evolution.A new column has been added to the data I am loading and I am getting the following error:StreamingQueryException: Encountered unknown field(s) during parsing:...

  • 13870 Views
  • 7 replies
  • 2 kudos
Latest Reply
rgrosskopf
New Contributor II
  • 2 kudos

I agree that hints are the way to go if you have the schema available but the whole point of schema evolution is that you might not always know the schema in advance.I received a similar error with a similar streaming query configuration. The issue w...

  • 2 kudos
6 More Replies
vk217
by Contributor
  • 3855 Views
  • 2 replies
  • 3 kudos

Resolved! Generic user account and personal access token to Azure Datarbicks

Is there a way to create a generic user account and personal access token to connect to databricks. I have Azure build pipeline and VSCode test that is using my personal access token for running builds and tests.

  • 3855 Views
  • 2 replies
  • 3 kudos
Latest Reply
Gabriel0007
New Contributor III
  • 3 kudos

You can create a service account (principle) for jobs, applications etc. Here's a link to the docs:https://docs.databricks.com/administration-guide/users-groups/service-principals.html

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