- 2497 Views
- 2 replies
- 2 kudos
Resolved! DBR 16.4 LTS - Spark 3.5.2 is not compatible with Delta Lake 3.3.1
I'm migrating to Databricks Runtime 16.4 LTS, which is using Spark 3.5.2 and Delta Lake 3.3.1 according to the documentation: Databricks Runtime 16.4 LTS - Azure Databricks | Microsoft LearnI've upgraded my conda environment to use those versions, bu...
- 2497 Views
- 2 replies
- 2 kudos
- 2 kudos
@leireroman encountered the same and used an override (like a pip constraints.txt file or PDM resolution override specification) to make sure my local development environment matched the runtime.
- 2 kudos
- 18 Views
- 2 replies
- 1 kudos
Resolved! Folder execute permissions
Hello,After reading multiple posts, going thru online forums, even asking AI I still don't have an answer for my questions. On the latest Databricks with unity catalog, what happens if I give users Execute permissions on a folder.Can they view the co...
- 18 Views
- 2 replies
- 1 kudos
- 1 kudos
Thanks for your response. That's what I imagined although could not confirm as my current project uses Unity Catalog and we are not allowed to run many commands including ACL related PySpark code.
- 1 kudos
- 32 Views
- 1 replies
- 0 kudos
[VARIANT_SIZE_LIMIT] Cannot build variant bigger than 16.0 MiB in parse_json
I have a table coming from postgreSql, with one column containing json data in string format. We have been using parse_json to convert that to a vraiant column. But lately it is failing with the SIZE_LIMIT error. When I isolated the row which gave er...
- 32 Views
- 1 replies
- 0 kudos
- 0 kudos
Hi @bbastian ,Unfortunately, as of now there is strict limitation regarding size - a variant column cannot contain a value larger than 16 MiB.Variant support in Delta Lake | Databricks on AWSAnd tbh you cannot compare the size of this json string to ...
- 0 kudos
- 7340 Views
- 9 replies
- 5 kudos
Resolved! Combining multiple Academy profiles
I have this profile @gmail.com; my personal professional profile.I also have a @mycompany.com profile.How do I combine both so I can leave my current job for a better life without losing the accolades I'm accumulated under my @mycompany.com login giv...
- 7340 Views
- 9 replies
- 5 kudos
- 995 Views
- 3 replies
- 1 kudos
How to select performance mode for Databricks Delta Live Tables
Hi everyone,Based on the official link,For triggered pipelines, you can select the serverless compute performance mode using the Performance optimized setting in the pipeline scheduler. When this setting is disabled, the pipeline uses standard perfor...
- 995 Views
- 3 replies
- 1 kudos
- 1 kudos
I would like an answer to his question also, I need to see how to turn this off, but any check box relating to performance optimization in my serverless pipeline does not show up.
- 1 kudos
- 71 Views
- 6 replies
- 9 kudos
ResultSet metadata does not return correct type for TIMESTAMP_NTZ
Hello, using the JDBC driver, when I retrieve the metadata of a ResultSet, the type for a TIMESTAMP_NTZ is not correct (it's a TIMESTAMP one).My SQL is a simple SELECT * on a table where you have a TIMESTAMP_NTZ columnThis works when retrieving metad...
- 71 Views
- 6 replies
- 9 kudos
- 9 kudos
Hi, thanks for the response !ok,as it was working on table metadata, I thought the doc was not up to date.. so it's partially supported. do you know if there is any chance it will be fully supported in some 'near' future ?Thanks
- 9 kudos
- 42 Views
- 1 replies
- 0 kudos
How to setup lakeflow HTTP for connector with M2M Authentication
I am getting the following error about content-type with no option to pick a different content-type when configuring the lakeflow connectorThe OAuth token exchange failed with HTTP status code 415 Unsupported Media Type. The returned server response ...
- 42 Views
- 1 replies
- 0 kudos
- 0 kudos
Hi @gzr58l are you configuring a custom Lakeflow connector or external connection in Databricks? Also, consider using a service principal or personal access token (PAT) for authentication as a temporary workaround.
- 0 kudos
- 44 Views
- 2 replies
- 0 kudos
ExcelWriter and local files
I have a couple things going on here.First, to explain what I'm doing, I'm passing an array of objects in to a function that contain a dataframe per item. I want to write those dataframes to an excel workbook - one dataframe per worksheet. That part ...
- 44 Views
- 2 replies
- 0 kudos
- 0 kudos
Here's a pretty easy way to recreate the issue - simplified to ignore the ExcelWriter part...You can see the file is copied and shows up when listed. But can't be find from Pandas. Same behavior on local_disk0 and /tmp
- 0 kudos
- 410 Views
- 8 replies
- 1 kudos
Resolved! JDCB Error trying a get schemas call.
Hi Community,I have a free demo version and can create a jdbc connection and get metadata (schema, table, and columns structure info). Everything works as described in the docs, but when working with someone who has a paid version of databricks the s...
- 410 Views
- 8 replies
- 1 kudos
- 1 kudos
@JeffSeaman , please let us know if any of my suggestions help get you on the right track. If they do, kindly mark the post as "Accepted Solution" so others can benefit as well. Cheers, Louis.
- 1 kudos
- 365 Views
- 7 replies
- 14 kudos
Resolved! How to get pipeline update duration programmatically
I'm looking to track how much time is being spent running updates for my DLT pipelines.When querying the list pipeline updates REST API endpoint I can see start and end times being returned, however, these fields are not listed in the documentation. ...
- 365 Views
- 7 replies
- 14 kudos
- 14 kudos
Originally went with the approach of exporting to and reading from the event log table, which has been helpful for getting other metrics as well.Also found today that there is a new system table is in public preview which exposes the durations I was ...
- 14 kudos
- 8791 Views
- 5 replies
- 0 kudos
How to Determine the Cost for Each Query Run Against SQL Warehouse Serverless?
Hello Everyone.First of all, I would like to thank you to databricks to enable system tables for customers. It does help a lot. I am working on cost optimization topic. Particularly sql warehouse serverless. I am not sure all of you have tried system...
- 8791 Views
- 5 replies
- 0 kudos
- 67 Views
- 2 replies
- 2 kudos
Need Help to learn scala
Hi Enthusiasts, recently i joined company in that company they used to develope databricks notebook with Scala programming language perviously, i worked on Pyspark it was very easy for me by the way i have 3 years of experence in DE i need help to wh...
- 67 Views
- 2 replies
- 2 kudos
- 2 kudos
If you want some hands-on with basic scala. I would recommend this course.https://www.coursera.org/learn/packt-apache-spark-with-scala-hands-on-with-big-data-hilnz
- 2 kudos
- 51 Views
- 1 replies
- 1 kudos
Declarative Pipeline Failure for Autoloader
Hello Folks, After moving my working serverless Auto Loader notebook to a declarative (DLT) pipeline, I’m getting an AccessDenied error. What could be causing this?”here is the DLT json and error message in the DLT I googled around got saw some hint...
- 51 Views
- 1 replies
- 1 kudos
- 1 kudos
Seems to me like the SPN or individual running the DLT pipeline need to have access on the external location and the main catalog. GRANT ALL PRIVILEGES ON CATALOG <catalog_name> TO `<external_account_identifier>`;
- 1 kudos
- 166 Views
- 4 replies
- 2 kudos
Databricks Pipeline SDK misisng fields
Looking at the Databricks Java SDK for Pipeline events, I see that the Rest API returns a details field that has the same information as event log details. But this is not surfaced in SDK, should be a small change to add it. Is that something which c...
- 166 Views
- 4 replies
- 2 kudos
- 2 kudos
The start and end time fields in the Pipeline Updates API are currently present in the Databricks REST API but are not yet supported (i.e., not included or mapped) in the Databricks Java SDK as of September 2025.This means:You can see these fields (s...
- 2 kudos
- 1496 Views
- 1 replies
- 1 kudos
DLT or DataBricks for CDC and NRT
We are currently delivering a large-scale healthcare data migration project involving:One-time historical migration of approx. 80 TB of data, already completed and loaded into Delta Lake.CDC merge logic is already developed and validated using Apache...
- 1496 Views
- 1 replies
- 1 kudos
- 1 kudos
For cost-sensitive, large-scale healthcare data streaming scenarios, using Delta Live Tables (DLT) for both CDC and streaming (Option C) is generally the most scalable, manageable, and cost-optimized approach. DLT offers native support for structured...
- 1 kudos
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