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Connect with fellow community members to discuss general topics related to the Databricks platform, industry trends, and best practices. Share experiences, ask questions, and foster collaboration within the community.
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Forum Posts

h_h_ak
by Contributor
  • 569 Views
  • 4 replies
  • 2 kudos

Resolved! Understanding Autoscaling in Databricks: Under What Conditions Does Spark Add a New Worker Node?

I’m currently working with Databricks autoscaling configurations and trying to better understand how Spark decides when to spin up additional worker nodes. My cluster has a minimum of one worker and can scale up to five. I know that tasks are assigne...

  • 569 Views
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Latest Reply
filipniziol
Contributor III
  • 2 kudos

Hi @h_h_ak ,Short Answer:Autoscaling primarily depends on the number of pending tasks.Workspaces on the Premium plan use optimized autoscaling, while those on the Standard plan use standard autoscaling.Long Answer:Databricks autoscaling responds main...

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MBhaskar
by New Contributor
  • 249 Views
  • 1 replies
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DESCRIBE Table and SHOW CREAT TABLE shows contradictory NULL constraints

SHOW CREATE TABLE provides correct NULL constraints details of each column where as DESCRIBE TABLE shows wrong NULL constraints details? 

  • 249 Views
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Latest Reply
Alberto_Umana
Databricks Employee
  • 0 kudos

Yes, you are correct. The SHOW CREATE TABLE command provides accurate details about the NULL constraints for each column in a table, whereas the DESCRIBE TABLE command may show incorrect NULL constraints details. This discrepancy arises because SHOW ...

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RohithChippa
by New Contributor III
  • 532 Views
  • 7 replies
  • 1 kudos

Databricks cleanroom functionality and billing

I'm new to Databricks and have been tasked with exploring Databricks Clean Rooms. I'm a bit confused about how billing works for Clean Rooms and their overall functionality. Specifically, I'm curious about the following:Environment Hosting: Are Clean...

  • 532 Views
  • 7 replies
  • 1 kudos
Latest Reply
RohithChippa
New Contributor III
  • 1 kudos

Is it adding foreign catalog table in datacleanroom feature also available after GA release, cause I tried it but was not able to see the foreign catalog in add data assets tab

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Kasen
by New Contributor III
  • 2195 Views
  • 2 replies
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Unable to grant catalog access to service principal

Hi everyone,I created a service principals called TestServicePrincipal. I tried to grant the catalog access to the service principals, but the error mentioned that it could not find principal with name TestServicePrincipal. If I grant the access to s...

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Community Platform Discussions
grant access
service principals
  • 2195 Views
  • 2 replies
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OYESPEEDY
New Contributor II
  • 0 kudos

The issue could be related to how the service principal is being resolved in your system. Unlike users, service principals are often registered in a directory (like Azure AD), and their names might not match what you’re using. Instead of using TestSe...

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DataYoga
by New Contributor
  • 3324 Views
  • 3 replies
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Informatica ETLs

I'm delving into the challenges of ETL transformations, particularly moving from traditional platforms like Informatica to Databricks. Given the complexity of legacy ETLs, I'm curious about the approaches others have taken to integrate these with Dat...

  • 3324 Views
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Latest Reply
thelogicplus
Contributor
  • 0 kudos

@DataYoga , 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 quer...

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fabiogiehl2024
by New Contributor III
  • 433 Views
  • 4 replies
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Login comunity

Na tela de login, eu coloco o código de verificação recebido por email e ao clicar volta para a mesma tela sem mensagem de erro e não loga.

  • 433 Views
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Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

Is this happening with any browser in Windows? 

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3 More Replies
385653
by New Contributor II
  • 15810 Views
  • 6 replies
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bigquery in notebook failing with unity catalog enabled cluster

bigquery(reading data from google cloud) failing with unity catalog enabled cluster. Same working fine without unity cluster. Any help is appreciated!Thanks,Sai

  • 15810 Views
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Latest Reply
GeoPer
New Contributor III
  • 0 kudos

Did anyone manage to solve this?Currently we can save data using a Unity Catalog enabled Access mode: Single User cluster, but we CANNOT with a Access mode: Shared.We have tried the steps described in (https://docs.databricks.com/en/connect/external-...

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AlexVB
by New Contributor III
  • 3698 Views
  • 3 replies
  • 4 kudos

Metabase support

Databricks x MetabaseHi, as someone who previously used Metabase as their self-service BI tool in their org, I was disappointed to see that Databricks is not supported officially: https://www.metabase.com/data_sources/The community drivers project is...

  • 3698 Views
  • 3 replies
  • 4 kudos
Latest Reply
ramiro
New Contributor II
  • 4 kudos

It happened! With the release of Metabase 51, Databricks is now officially supported as a driver 拾- Databricks and Metabase docs- Video guide

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Loki466
by New Contributor
  • 1645 Views
  • 1 replies
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Unable to list a folder with square bracket in name

I am trying to iterate over a container(adls gen2) in azure databricks using pyspark. basically I am using dbutils.fs.ls to list the contents for folder using recursive function.this logic works perfectly fine for all folder except for the folders eh...

  • 1645 Views
  • 1 replies
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Latest Reply
NandiniN
Databricks Employee
  • 1 kudos

[] comes under valid characters, so it is an issue with dbfs.fs. dbutils.fs.ls("/Workspace/Users/user@databricks.com/qwe[rt]") fails with java.net.URISyntaxException: Illegal character in path at index I tested a workaround meanwhile that can help ...

  • 1 kudos
tim-mcwilliams
by New Contributor III
  • 6332 Views
  • 10 replies
  • 1 kudos

Notebook cell gets hung up but code completes

Have been running into an issue when running a pymc-marketing model in a Databricks notebook. The cell that fits the model gets hung up and the progress bar stops moving, however the code completes and dumps all needed output into a folder. After the...

  • 6332 Views
  • 10 replies
  • 1 kudos
Latest Reply
Lingesh
Databricks Employee
  • 1 kudos

@tim-mcwilliams I'm not sure if you found a workaround or a fix for this issue. We have recently found another issue (Integration between PyMC and Databricks Kernel does not go well. Specifically, the rendering logic of the progress bar in PyMC) that...

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NhanNguyen
by Contributor III
  • 169 Views
  • 1 replies
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[Error reached the limit for number of private messages]

Dear team,Today I want to reply my friend on databricks private message but failed with the error "You have reached the limit for number of private messages that you can send for now. Please try again later."Could you help me check on this?Thanks!

  • 169 Views
  • 1 replies
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Latest Reply
Alberto_Umana
Databricks Employee
  • 0 kudos

This is likely a rate limit imposed to prevent spam or excessive messaging, can you try later and advise if the problem persists?

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samarth_solanki
by New Contributor II
  • 3257 Views
  • 4 replies
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Creating a python package that uses dbutils.secrets

Hello Databricks,I wanted to create python package which has a python script which has a class , this class is where we give scope and key and we het the secret. This package will be used inside a databricks notebook I want to use dbutils.secret for ...

  • 3257 Views
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Latest Reply
krishnab
New Contributor II
  • 0 kudos

from pyspark.dbutils import DBUtils from pyspark.sql import SparkSession spark = SparkSession.builder.getOrCreate() dbutils = DBUtils(spark)Adding this to the module file solves the problem.  

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NIK251
by New Contributor III
  • 416 Views
  • 4 replies
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Delta Live Table Pipeline to EventHub

i want to read and load the data to eventhub. And there is an error message:org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 138.0 failed 4 times, most recent failure: Lost task 0.3 in stage 138.0 (TID 177) (10.139.6...

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  • 416 Views
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Sidhant07
Databricks Employee
  • 0 kudos

Hi, The error originates from the eventhub connector. Kindly check this with the EventHub Spark connector team. Please use the latest connector. https://github.com/Azure/azure-event-hubs-spark There are known issues with the Event hub connector like ...

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naatyraja
by New Contributor
  • 137 Views
  • 1 replies
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%run working different in different taks of same job

I am using %run "/Workspace/Shared/SCPO_POC/Tredence-Dev-Phase3/Publix Weekly Sales POC - Main Folder/Weekly_Workflow_Parametrized/Get_Widgets_Values" before all my notebooks of a single job which has bunch of child jobs and child tasks... The % run ...

  • 137 Views
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Latest Reply
Sidhant07
Databricks Employee
  • 0 kudos

Hi, Can you please share the complete error?Can you try restarting the cluster, that might helo to mitigate the issue.

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