cancel
Showing results for 
Search instead for 
Did you mean: 
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.
cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

zach
by New Contributor III
  • 4004 Views
  • 4 replies
  • 1 kudos

Does Databricks have a google cloud Big Query equivalent of --dry_run to estimate costs before executing?

Databricks uses DBU's as a costing unit whether based onto of AWS/Azure/GCP and I want to know if Databricks has a google cloud Big Query equivalent of --dry_run for estimating costs? https://cloud.google.com/bigquery/docs/estimate-costs

  • 4004 Views
  • 4 replies
  • 1 kudos
Latest Reply
-werners-
Esteemed Contributor III
  • 1 kudos

Not that I know of.Google uses number of bytes read to determine the cost.Databricks uses DBU. The number of DBU's spent is not only dependent on the amount of bytes read (the more you read, the longer the program will run probably), but also the typ...

  • 1 kudos
3 More Replies
BeginnerBob
by New Contributor III
  • 3182 Views
  • 3 replies
  • 1 kudos

Loading Dimensions including SCDType2

I have a customer dimension and for every incremental load I am applying type2 or type1 to the dimension.This dimension is based off a silver table in my delta lake where I am applying a merge statement.What happens if I need to go back and track ad...

  • 3182 Views
  • 3 replies
  • 1 kudos
Latest Reply
BeginnerBob
New Contributor III
  • 1 kudos

Thanks werners,I was informed you could essentially recreate a type 2 dimensions from scratch, without reading the files 1 by 1, using the delta lake time shift. However, this doesn't seem to be the case and the only way to create this is to incremen...

  • 1 kudos
2 More Replies
alonisser
by Contributor II
  • 10608 Views
  • 8 replies
  • 6 kudos

Failing to install a library from dbfs mounted storage (adls2) with pass through credentials cluster

We've setup a premium workspace with passthrough credentials cluster , while they do work and access my adls gen 2 storageI can't make it install a library on the cluster from there. and keeping getting"Library installation attempted on the driver no...

  • 10608 Views
  • 8 replies
  • 6 kudos
Latest Reply
alonisser
Contributor II
  • 6 kudos

Sorry I can't figure this out, the link you've added is irrelevant for passthrough credentials, if we add it the cluster won't be passthrough, Is there a way to add this just for a specific folder? while keeping passthrough for the rest?

  • 6 kudos
7 More Replies
Taha_Hussain
by Databricks Employee
  • 1296 Views
  • 0 replies
  • 4 kudos

Databricks Office Hours Register for Office Hours to participate in a live Q&A session with Databricks experts! Our next event is scheduled for Ju...

Databricks Office HoursRegister for Office Hours to participate in a live Q&A session with Databricks experts! Our next event is scheduled for June 22nd from 8:00 am - 9:00am PT.This is your opportunity to connect directly with our experts to ask any...

  • 1296 Views
  • 0 replies
  • 4 kudos
wyzer
by Contributor II
  • 4991 Views
  • 4 replies
  • 2 kudos

Resolved! Unable to delete a DBFS folder

Hello everyone,I've created by error a DBFS folder named : ${env]But when I run this command :dbutils.fs.rm("/mnt/${env]")It returns me this error : java.net.URISyntaxException: Illegal character in path at index 12: /mnt/$%7Benv]How can I do please ...

  • 4991 Views
  • 4 replies
  • 2 kudos
Latest Reply
User16764241763
Honored Contributor
  • 2 kudos

Hello @Salah K.​ Can you try below?%sh rm -r /dbfs/mnt/$\{env\]

  • 2 kudos
3 More Replies
shubhamb
by New Contributor III
  • 4623 Views
  • 2 replies
  • 3 kudos

Why does my Notebook fails if I try to load a function from another Notebook in Repos in Databricks

My function in func.pydef lower_events(df): return df.withColumn("event",f.lower(f.col("event")))My main notebook import pyspark.sql.functions as f from pyspark.sql.functions import udf, col, lower import sys   sys.path.append("..") from folder.func...

  • 4623 Views
  • 2 replies
  • 3 kudos
Latest Reply
shubhamb
New Contributor III
  • 3 kudos

@Kaniz Fatma​  https://community.databricks.com/s/question/0D58Y00008ouo6xSAA/how-to-fetch-environmental-variables-saved-in-one-notebook-into-another-notebook-in-databricks-repos-and-notebooksCan you please look into this

  • 3 kudos
1 More Replies
mortenhaga
by Contributor
  • 3733 Views
  • 2 replies
  • 2 kudos

Resolved! Importing python function with spark.read.jdbc in to Repos

Hi all!Before we used Databricks Repos we used the run magic to run various utility python functions from one notebook inside other notebooks, fex like reading from a jdbc connections. We now plan to switch to repos to utilize the fantastic CI/CD pos...

image.png image
  • 3733 Views
  • 2 replies
  • 2 kudos
Latest Reply
mortenhaga
Contributor
  • 2 kudos

Thats...odd. I was sure I had tried that, but now it works somehow. I guess it has to be that now I did it with double quotation marks. Thanks anyway! Works like a charm.

  • 2 kudos
1 More Replies
Marra
by New Contributor III
  • 8820 Views
  • 7 replies
  • 2 kudos

Read temporary views in SQL Analytics

I'm having issues trying to read temporary views in SQL Analytics module. Ive managed to create temporary views based on a query but I don't know how to read from them? Just using the name of the view returns "Table or view not found".

  • 8820 Views
  • 7 replies
  • 2 kudos
Latest Reply
Marra
New Contributor III
  • 2 kudos

No, I'm actually having issues reading from the view in the same session that created it. Using the same view name I get a table or view not found.

  • 2 kudos
6 More Replies
AndriusVitkausk
by New Contributor III
  • 2067 Views
  • 1 replies
  • 1 kudos

Autoloader event vs directory ingestion

For a production work load containing around 15k gzip compressed json files per hour all in a YYYY/MM/DD/HH/id/timestamp.json.gz directoryWhat would be the better approach on ingesting this into a delta table in terms of not only the incremental load...

  • 2067 Views
  • 1 replies
  • 1 kudos
Latest Reply
AndriusVitkausk
New Contributor III
  • 1 kudos

@Kaniz Fatma​ So i've not found a fix for the small file problem using autoloader, seems to struggle really badly against large directories, had a cluster running for 8h stuck on "listing directory" part with no end, cluster seemed completely idle to...

  • 1 kudos
karthikeyanr
by New Contributor II
  • 6764 Views
  • 4 replies
  • 6 kudos

Unable to import .dbc files in Databricks for "Databricks Developer Foundation Capstone"

Hi,I am not able to import .dbc file into Databricks workspace for "Databricks Developer Foundation Capstone". When I click import the error message is displayed. Secondly when I click the github link in the 'Download the capstone' error 404 is displ...

errorgit import error
  • 6764 Views
  • 4 replies
  • 6 kudos
Latest Reply
Atanu
Databricks Employee
  • 6 kudos

Hello @Karthikeyan.r3@cognizant.com R​ I agreed with Hubert. please write to  https://help.databricks.com

  • 6 kudos
3 More Replies
Constantine
by Contributor III
  • 5059 Views
  • 1 replies
  • 1 kudos

Resolved! Can we reuse checkpoints in Spark Streaming?

I am reading data from a Kafka topic, say topic_a. I have an application, app_one which uses Spark Streaming to read data from topic_a. I have a checkpoint location, loc_a to store the checkpoint. Now, app_one has read data till offset 90.Can I creat...

  • 5059 Views
  • 1 replies
  • 1 kudos
Latest Reply
jose_gonzalez
Databricks Employee
  • 1 kudos

Hi @John Constantine​,Is not recommended to share the checkpoint with your queries. Every streaming query should have their own checkpoint. If you can to start at the offset 90 in another query, then you can define it when starting your job. You can ...

  • 1 kudos
bhargavi1
by New Contributor II
  • 2017 Views
  • 1 replies
  • 1 kudos
  • 2017 Views
  • 1 replies
  • 1 kudos
Latest Reply
jose_gonzalez
Databricks Employee
  • 1 kudos

Hi,Could you share more details on what you have tried? please provide more details.

  • 1 kudos
pbezz
by New Contributor III
  • 9770 Views
  • 5 replies
  • 9 kudos

Visualisation libraries does not work on Databricks

Why is it that certain Python visualisation libraries do not work on Databricks? I am trying to install (via pip) and work with some data visualisation libraries - they work perfectly in a normal Jupyter Notebook but not on a Databricks notebook envi...

  • 9770 Views
  • 5 replies
  • 9 kudos
Latest Reply
pbezz
New Contributor III
  • 9 kudos

No switched to using html widgets.

  • 9 kudos
4 More Replies
Manoj
by Contributor II
  • 20444 Views
  • 13 replies
  • 6 kudos

Resolved! Did any one in the community create Permanent Functions using using python script ? I tried but i am getting the below error, Please advise

Hi Team, When i am trying to register a permanant function i am getting the below error.%sqlCREATE FUNCTION simple_udf AS 'SimpleUdf'  USING JAR '/tmp/SimpleUdf.jar';%sqlselect simple_udf(2)Error Details : com.databricks.backend.common.rpc.Databricks...

  • 20444 Views
  • 13 replies
  • 6 kudos
Latest Reply
Manoj
Contributor II
  • 6 kudos

hi @Werner Stinckens​  @Jose Gonzalez​  @Hubert Dudek​ @Kaniz Fatma​ â€‹Thanks for all the help, Appreciate it. I was able to create permanent functions and use eclipse to create the runnable jar. However, Does anyone have any idea on how to deploy t...

  • 6 kudos
12 More Replies

Join Us as a Local Community Builder!

Passionate about hosting events and connecting people? Help us grow a vibrant local community—sign up today to get started!

Sign Up Now
Labels