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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

shashankB
by New Contributor III
  • 309 Views
  • 2 replies
  • 4 kudos

Resolved! How to invoke Databricks AI Assistant from a notebook cell?

Hello Community,I am exploring the Databricks AI Assistant and wondering if there is a way to invoke or interact with it directly from a notebook cell instead of using the workspace sidebar UI.Is there any built-in command (like %assistant) to open o...

  • 309 Views
  • 2 replies
  • 4 kudos
Latest Reply
nayan_wylde
Honored Contributor III
  • 4 kudos

@shashankB There are no command like %assistant exists today to interact with Databricks Assistant. As @szymon_dybczak mentioned in the reply  the exiting modes that you can interact with Assistant today.Also there is no published Assistant‑specific ...

  • 4 kudos
1 More Replies
getsome
by New Contributor
  • 2033 Views
  • 1 replies
  • 1 kudos

Resolved! How to Efficiently Sync MLflow Traces and Asynchronous User Feedback with a Delta Table

I’m building a custom UI table (using Next.js and FastAPI) to display MLflow trace data from a Retrieval-Augmented Generation (RAG) application running on Databricks Managed MLflow 3.0. The table needs to show answer generation speed (from CHAT_MODEL...

  • 2033 Views
  • 1 replies
  • 1 kudos
Latest Reply
sarahbhord
Databricks Employee
  • 1 kudos

Hello! Here are the answers to your questions:  - Yes! See databricks managed mlflow tracing - enable production monitor or endpoint config to collect traces in a delta table - We have example code for implementing async feedback collection - Definit...

  • 1 kudos
elgeo
by Valued Contributor II
  • 6400 Views
  • 3 replies
  • 2 kudos

SQL While do loops

Hello. Could you please suggest a workaround for a while do loop in Databricks SQL?WHILE LSTART>0 DO SET LSTRING=CONCAT(LSTRING, VSTRING2)Thank you in advance

  • 6400 Views
  • 3 replies
  • 2 kudos
Latest Reply
nayan_wylde
Honored Contributor III
  • 2 kudos

@elgeo Here are two alternatives.1. Use a recursive CTEWITH RECURSIVE loop_cte (lstart, lstring) AS ( SELECT 5 AS lstart, '' AS lstring UNION ALL SELECT lstart - 1, CONCAT(lstring, 'VSTRING2') FROM loop_cte WHERE lstart > 1 ) SELECT * FROM ...

  • 2 kudos
2 More Replies
ashishasr
by New Contributor II
  • 464 Views
  • 1 replies
  • 1 kudos

SQL Stored Procedure in Databricks

Hello, Is there a sql server equivalent stored procedure in Databricks which supports while loop along with delay as below. or are there any other alternative to achieve the same.while (select count(*) from schema.mart_daily with (nolock)) = 0 begin ...

Data Engineering
Databricks
DML
sql
stored procedure
  • 464 Views
  • 1 replies
  • 1 kudos
Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @ashishasr ,Yes, support for stored procedures is in public preview:CREATE PROCEDURE | Databricks on AWSIn the definition of stored procedure you can use compound statement ( SQL compound statement (BEGIN ... END) with the definition of the SQL Pr...

  • 1 kudos
AanchalSoni
by New Contributor III
  • 631 Views
  • 9 replies
  • 6 kudos

Streaming- Results not getting updated on arrival of new files

Hi!I'm trying to stream some files using read_files.format("cloudFiles"). However, when new files arrive, the subsequent SQL query and monitoring graphs are not getting updated. Please suggest.

  • 631 Views
  • 9 replies
  • 6 kudos
Latest Reply
saurabh18cs
Honored Contributor II
  • 6 kudos

Hi @AanchalSoni If you are using .readStream, make sure you have set a trigger interval (e.g., .trigger(processingTime='1 minute'))

  • 6 kudos
8 More Replies
shweta_m
by New Contributor III
  • 2678 Views
  • 3 replies
  • 4 kudos

Resolved! Best Practices for Managing ACLs on Jobs and Job Clusters in Databricks

 Hi all,I’m setting up access control for Databricks jobs and have two questions:Ephemeral Job Clusters: Since job clusters are created at runtime, is it best practice to set ACLs on the job itself? The /api/2.0/permissions/clusters/{cluster_id} endp...

  • 2678 Views
  • 3 replies
  • 4 kudos
Latest Reply
shweta_m
New Contributor III
  • 4 kudos

Thanks! @juan_maedo @saurabh18cs 

  • 4 kudos
2 More Replies
susmitsircar
by New Contributor III
  • 545 Views
  • 9 replies
  • 0 kudos

Proposal: Switch to Zstd Compression for Parquet to Reduce S3 Costs

We are thinking to change the Spark configuration for Parquet files to use zstd compression.Configuration: spark.sql.parquet.compression.codec = zstdThis will only affect new data written by our Spark jobs. All existing data will remain compressed wi...

  • 545 Views
  • 9 replies
  • 0 kudos
Latest Reply
susmitsircar
New Contributor III
  • 0 kudos

Yes my believe is it should support 7.3 LTS as well, we will prove it with thorough testingThanks for the discussion. Cheers

  • 0 kudos
8 More Replies
parthesh24
by New Contributor II
  • 535 Views
  • 3 replies
  • 3 kudos

Resolved! from pyspark.ml.stat import KolmogorovSmirnovTest is not working on Serverless compute.

 Hi everyone,I am trying to run a Kolmogorov–Smirnov (KS) test on a Spark DataFrame column in Databricks using the built-in pyspark.ml.stat.KolmogorovSmirnovTest. The goal is to apply the KS test directly on Spark DataFrame data without converting it...

  • 535 Views
  • 3 replies
  • 3 kudos
Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 3 kudos

 Hi @parthesh24 ,It looks more like KolmogorovSmirnovTest module under the hood is trying to access SparkContext which is not supported in serverless.  You can check it yourself by trying to use sparkContext in serverless

  • 3 kudos
2 More Replies
pinikrisher
by New Contributor II
  • 159 Views
  • 1 replies
  • 1 kudos

Dashboard tagging

How can i tag dashbaord? i do not see any place to add tagging to it?

  • 159 Views
  • 1 replies
  • 1 kudos
Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @pinikrisher ,Unforutnately, you can't. Tagging is currently supported on catalogs, schemas, tables, table columns, volumes, views, registered models, and model version

  • 1 kudos
s3anil
by New Contributor II
  • 687 Views
  • 6 replies
  • 2 kudos

databricks dashboard deployment error

Hi, i am trying to deploy a dashboard using a bundle and github action. but i am getting an error on CI even though the dashboard is deployed. im using the latest version of CLI from https://raw.githubusercontent.com/databricks/setup-cli/main/install...

  • 687 Views
  • 6 replies
  • 2 kudos
Latest Reply
s3anil
New Contributor II
  • 2 kudos

@szymon_dybczak ,@nayan_wylde , I checked the permissions and the SP has 'can manage' access on the folder.

  • 2 kudos
5 More Replies
heli123
by New Contributor III
  • 276 Views
  • 2 replies
  • 2 kudos

Resolved! Lakehouse monitoring dashboard shows no data

Hello, I am replicating the demo for Lakehouse monitoring found here: https://notebooks.databricks.com/demos/lakehouse-monitoring/index.htmlFor some reason, my dashboards show empty, i.e., they say 'no data' - like nothing fits the criteria from the ...

Data Engineering
lakehouse monitoring
ml monitoring
  • 276 Views
  • 2 replies
  • 2 kudos
Latest Reply
Khaja_Zaffer
Contributor III
  • 2 kudos

Hello @heli123 Can you share the image again? looks like didnt upload well. 

  • 2 kudos
1 More Replies
ashfire
by New Contributor II
  • 372 Views
  • 3 replies
  • 3 kudos

Databricks model serving endpoint returns 403 Unauthorized access to workspace when using service

I deployed a simple Iris model in Databricks Model Serving and exposed it as an endpoint. I’m trying to query the endpoint using a service principal. I can successfully fetch the access token with the following databricks_token() function:def databri...

  • 372 Views
  • 3 replies
  • 3 kudos
Latest Reply
ashfire
New Contributor II
  • 3 kudos

Hi @szymon_dybczak, Thanks for your comment.One of the admins in this workspace tried using the token generated via client id and secret, and were able to successfully get a response from the serving endpoint using this same above mentioned code.Coul...

  • 3 kudos
2 More Replies
aranjan99
by Contributor
  • 456 Views
  • 2 replies
  • 0 kudos

How to switch serverless dlt pipeline to cost optimized mode from performance optimized

We have a few serverless dlt pipelines that we want to optimize for cost as we are ok with an increased latency. Where can I change the pipeline to run on cost optimized mode. I dont see this option in UI or API

  • 456 Views
  • 2 replies
  • 0 kudos
Latest Reply
wawefog260
New Contributor II
  • 0 kudos

Hello!To enable cost-optimized mode for your serverless DLT pipeline, switch it to Triggered mode and edit the schedule trigger—there you’ll find the option to disable “Performance optimized.” This setting isn’t visible in the main UI or API unless t...

  • 0 kudos
1 More Replies
elgeo
by Valued Contributor II
  • 39610 Views
  • 13 replies
  • 6 kudos

SQL Stored Procedure in Databricks

Hello. Is there an equivalent of SQL stored procedure in Databricks? Please note that I need a procedure that allows DML statements and not only Select statement as a function provides.Thank you in advance

  • 39610 Views
  • 13 replies
  • 6 kudos
Latest Reply
SanthoshU
New Contributor II
  • 6 kudos

how to connect the stored procedures to power bi report builder, seems like it is not working 

  • 6 kudos
12 More Replies
MauGomes
by New Contributor
  • 190 Views
  • 1 replies
  • 2 kudos

Resolved! Access to Databricks partner academy

Hi Team,My company is a Databricks Partner. But I can't get registered for Databricks Partner Academy.I have followed the following steps for Partner Academy RegistrationOpen https://partner-academy.databricks.com/learn in your web browser.Click Logi...

  • 190 Views
  • 1 replies
  • 2 kudos
Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 2 kudos

Hi @MauGomes ,Don't worry, you already did the best thing you could. Check below thread with exact same issue . The user submitted a ticket and it was resolved by service desk. So, just wait patiently for reply Solved: authorized to access https://pa...

  • 2 kudos

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