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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

swzzzsw
by New Contributor III
  • 12175 Views
  • 4 replies
  • 9 kudos

"Run now with different parameters" - different parameters not recognized by jobs involving multiple tasks

I'm running a databricks job involving multiple tasks and would like to run the job with different set of task parameters. I can achieve that by edit each task and and change the parameter values. However, it gets very manual when I have a lot of tas...

  • 12175 Views
  • 4 replies
  • 9 kudos
Latest Reply
VijayNakkonda
New Contributor II
  • 9 kudos

Dear Team, For now, I found a solution. Disconnect the bundle source on Databricks, edit the parameters that you want to run. After execution, redeploy your code again from repository.

  • 9 kudos
3 More Replies
JonathanFlint
by New Contributor III
  • 8762 Views
  • 9 replies
  • 2 kudos

Asset bundle doesn't sync files to workspace

I've created a completely fresh project with a completely empty workspaceLocally I have the databricks CLI version 0.230.0 installedI rundatabricks bundle init default-pythonI have auth set up with a PAT generated by an account which has workspace ad...

  • 8762 Views
  • 9 replies
  • 2 kudos
Latest Reply
pherrera
New Contributor II
  • 2 kudos

Ok, I feel silly.  Despite reading the other messages in this thread, I didn't twig to the fact that I had in fact added the subfolder I had created the DAB in to my top-level project .gitignore since I was just playing around and didn't want to comm...

  • 2 kudos
8 More Replies
aa_204
by New Contributor II
  • 4481 Views
  • 4 replies
  • 0 kudos

Reading excel file using pandas on spark api not rendering #N/A values correctly

I am trying to read a .xlsx file using ps.read_excel() and having #N/A as a value for string type columns. But in the dataframe, i am getting "null" inplace of #N/A . Is there any option , using which we can read #N/A as a string in .xlsx file 

  • 4481 Views
  • 4 replies
  • 0 kudos
Latest Reply
Soumik
New Contributor II
  • 0 kudos

Did you get a solution or workaround for this error, as I am also facing the same even after using dtype = str, na_filter= False, keep_default_na = False ?

  • 0 kudos
3 More Replies
ah0896
by New Contributor III
  • 21560 Views
  • 18 replies
  • 10 kudos

Using init scripts on UC enabled shared access mode clusters

I know that UC enabled shared access mode clusters do not allow init script usage and I have tried multiple workarounds to use the required init script in the cluster(pyodbc-install.sh, in my case) including installing the pyodbc package as a workspa...

  • 21560 Views
  • 18 replies
  • 10 kudos
Latest Reply
praveenVP
New Contributor III
  • 10 kudos

Hello all,Below workaround was efficient to me1) pyodbc-install.sh is uploaded in a Volume 2) the shared cluster is able to navigate to the Volume to select the init script3) the Databricks runtime is 15.4 LTS4) the Allowlist has been updated to allo...

  • 10 kudos
17 More Replies
Benni
by New Contributor III
  • 6777 Views
  • 8 replies
  • 0 kudos

UC, pyodbc, Shared Cluster, and :Can't open lib 'ODBC Driver 17 for SQL Server' : file not found

Hey Databricks!    Trying to use the pyodbc init script in a Volume in UC on a shared compute cluster but receive error: "[01000] [unixODBC][Driver Manager]Can't open lib 'ODBC Driver 17 for SQL Server' : file not found (0) (SQLDriverConnect)"). I fo...

Benni_0-1730842808643.png Benni_1-1730842895078.png
  • 6777 Views
  • 8 replies
  • 0 kudos
Latest Reply
praveenVP
New Contributor III
  • 0 kudos

Hello all,Below workaround was efficient to me1) pyodbc-install.sh is uploaded in a Volume 2) the shared cluster is able to navigate to the Volume to select the init script3) the Databricks runtime is 15.4 LTS4) the Allowlist has been updated to allo...

  • 0 kudos
7 More Replies
poorni_sm
by New Contributor
  • 4273 Views
  • 2 replies
  • 0 kudos

Get failed records from Salesforce write target tool in AWS GLUE job

I am working in the AWS GLUE service, where we are trying to migrate data from S3 to salesforce using Salesforce write target tool(Using Salesforce connection). The actual process has to be, once the process is done, the salesforce provides the jobId...

  • 4273 Views
  • 2 replies
  • 0 kudos
Latest Reply
jhonm_839
New Contributor III
  • 0 kudos

Thank you so much emillion. This helps me a lot. Keep it up!

  • 0 kudos
1 More Replies
tobyevans
by New Contributor II
  • 9836 Views
  • 1 replies
  • 1 kudos

Ingesting complex/unstructured data

Hi there,my company is reasonably new to using Databricks, and we're running our first PoCs.  Some of the data we have structured/reasonably structured, so it drops into a bucket, we point a notebook at it, and all is well and DeltaThe problem is ari...

  • 9836 Views
  • 1 replies
  • 1 kudos
Latest Reply
mark5
New Contributor II
  • 1 kudos

Hi Toby,Managing diverse, unstructured data can be challenging. At Know2Ledge (ShareArchiver), we specialize in unstructured data management to streamline this process.To handle your scenario efficiently:1️⃣Pre-Process Before Ingestion – Use AI-power...

  • 1 kudos
sachin_kanchan
by New Contributor III
  • 2745 Views
  • 2 replies
  • 0 kudos

Community Edition? More Like Community Abandonment - Thanks for NOTHING, Databricks!

To the Databricks Team (or whoever is pretending to care),Let me get this straight. You offer a "Community Edition" to supposedly help people learn, right? Well, congratulations, you've created the most frustrating, useless signup process I've ever s...

  • 2745 Views
  • 2 replies
  • 0 kudos
Latest Reply
Advika_
Databricks Employee
  • 0 kudos

Hello @sachin_kanchan! I understand the frustration, and I appreciate you sharing your experience. The Community Edition is meant to provide a smooth experience, and this shouldn’t be happening. We usually ask users to drop an email to help@databrick...

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1 More Replies
mstfkmlbsbdk
by New Contributor II
  • 4600 Views
  • 1 replies
  • 1 kudos

Resolved! Access ADLS with serverless. CONFIG_NOT_AVAILABLE error

I have my own Autoloader repo and this repo is responsible for ingestion data from landing layer(ADLS) and load data into raw layer in Databricks. In that repo, I created a couple of workflows, and run these workflows with serverless cluster. and I u...

Data Engineering
ADLS
autoloader
dbt
NCC
serverless cluster
  • 4600 Views
  • 1 replies
  • 1 kudos
Latest Reply
cgrant
Databricks Employee
  • 1 kudos

The recommended approach for accessing cloud storage is to create Databricks storage credentials. These storage credentials can refer to entra service principals, managed identities, etc. After a credential is created, create an external location. Wh...

  • 1 kudos
Sjoshi
by New Contributor
  • 1865 Views
  • 2 replies
  • 1 kudos

How to make the write operation faster for writing a spark dataframe to a delta table

So, I am doing 4 spatial join operation on the files with the following sizes:Base_road_file which is 1gigabyteTelematics file which is 1.2 gigsstate boundary file , BH road file, client_geofence file and kpmg_geofence_file which are not too large My...

  • 1865 Views
  • 2 replies
  • 1 kudos
Latest Reply
cgrant
Databricks Employee
  • 1 kudos

We recommend using spatial frameworks to speed up things like spatial joins, point-in-polygon, etc, like databricks mosaic or apache sedona. Without these frameworks, many of these operations result in unoptimized and explosive crossjoins.

  • 1 kudos
1 More Replies
lprevost
by Contributor III
  • 1566 Views
  • 2 replies
  • 1 kudos

Resolved! Autoloader streaming table - how to determine if new rows were updated from query?

If I'm running a scheduled batch Autoloader query which read from csv files on S3 and incrementally loads a delta table, how can I determine if new rows were added?  I'm currently trying to do this from the streaming query.lastProgress as follows.  s...

  • 1566 Views
  • 2 replies
  • 1 kudos
Latest Reply
lprevost
Contributor III
  • 1 kudos

Thank you!

  • 1 kudos
1 More Replies
aladda
by Databricks Employee
  • 5367 Views
  • 2 replies
  • 0 kudos
  • 5367 Views
  • 2 replies
  • 0 kudos
Latest Reply
aladda
Databricks Employee
  • 0 kudos

Here's the difference a View and Table in the context of a Delta Live Table PIpelineViews are similar to a temporary view in SQL and are an alias for some computation. A view allows you to break a complicated query into smaller or easier-to-understan...

  • 0 kudos
1 More Replies
BillBishop
by New Contributor III
  • 736 Views
  • 1 replies
  • 0 kudos

Resolved! Using initcap function in materialized view fails

This query works: select order_date, initcap(customer_name), count(*) AS number_of_ordersfrom ... The initcap does as advertised and capitalizes the customer_name column. However, if I wrap the same exact select in a create materialized view I get an...

  • 736 Views
  • 1 replies
  • 0 kudos
Latest Reply
BillBishop
New Contributor III
  • 0 kudos

NOTE: I got it to work by aliasing the customer_name column, it's documented here: https://docs.databricks.com/aws/en/sql/language-manual/sql-ref-syntax-ddl-create-materialized-view#limitationsHowever, it wasn't clear that "Non-column reference expre...

  • 0 kudos
devpdi
by New Contributor
  • 3225 Views
  • 3 replies
  • 0 kudos

Re-use jobs as tasks with the same cluster.

Hello,I am facing an issue with my workflow.I have a job (name it main job) that, among others, runs 5 concurrent tasks, which are defined as jobs (not notebooks).Each of these jobs is identical to the others (name them sub-job-1), with the only diff...

  • 3225 Views
  • 3 replies
  • 0 kudos
Latest Reply
razi9126
New Contributor II
  • 0 kudos

Did you find any solution?

  • 0 kudos
2 More Replies
diguid
by New Contributor III
  • 5434 Views
  • 3 replies
  • 13 kudos

Using foreachBatch within Delta Live Tables framework

Hey there!​I was wondering if there's any way of declaring a delta live table where we use foreachBatch to process the output of a streaming query.​Here's a simplification of my code:​def join_data(df_1, df_2): df_joined = ( df_1 ...

  • 5434 Views
  • 3 replies
  • 13 kudos
Latest Reply
cgrant
Databricks Employee
  • 13 kudos

foreachBatch support in DLT is coming soon, and you now have the ability to write to non-DLT sinks as well

  • 13 kudos
2 More Replies

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