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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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qwerty1
by • Contributor
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Resolved! When will databricks runtime be released for Scala 2.13?

I see that spark fully supports Scala 2.13. I wonder why is there no databricks runtime with Scala 2.13 yet. Any plans on making this available? It would be super useful.

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guersam
New Contributor II
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I agree with @777. As Scala 3 is getting mature and there are more real use cases with Scala 3 on Spark now, support for Scala 2.13 will be valuable to users including us.I think the recent upgrade of Databricks runtime from JDK 8 to 17 was one of a ...

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Gary_Irick
by • New Contributor III
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Delta table partition directories when column mapping is enabled

I recently created a table on a cluster in Azure running Databricks Runtime 11.1. The table is partitioned by a "date" column. I enabled column mapping, like this:ALTER TABLE {schema}.{table_name} SET TBLPROPERTIES('delta.columnMapping.mode' = 'nam...

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talenik
New Contributor III
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Hi @Retired_mod , I have few queries on Directory Names with Column Mapping. I have this delta table on ADLS and I am trying to read it, but I am getting below error. How can we read delta tables with column mapping enabled with pyspark?Can you pleas...

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amartinez
by • New Contributor III
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Workaround for GraphFrames not working on Delta Live Table?

According to this page, the GraphFrames package is included in the databricks runtime since at least 11.0. However trying to run a connected components algorithm inside a delta live table notebook yields the error java.lang.ClassNotFoundException: or...

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lprevost
Contributor
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I'm also trying to use GraphFrames inside a DLT pipeline.   I get an error that graphframes not installed in the cluster.   i"m using it successfully in test notebooks using the ML version of the cluster.  Is there a way to use this inside a DLT job?

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Mohit_m
by • Valued Contributor II
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Resolved! How to get the Job ID and Run ID and save into a database

We are having Databricks Job running with main class and JAR file in it. Our JAR file code base is in Scala. Now, when our job starts running, we need to log Job ID and Run ID into the database for future purpose. How can we achieve this?

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Bruno-Castro
New Contributor II
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That article is for members only, can we also specify here how to do it (for those that are not medium members?). Thanks!

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Ajay-Pandey
by • Esteemed Contributor III
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docs.databricks.com

Rename and drop columns with Delta Lake column mapping. Hi all,Now databricks started supporting column rename and drop.Column mapping requires the following Delta protocols:Reader version 2 or above.Writer version 5 or above.Blog URL##Available in D...

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Poovarasan
New Contributor III
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Above mentioned feature is not working in the DLT pipeline. if the scrip has more than 4 columns 

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ranged_coop
by • Valued Contributor II
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How to install Chromium Browser and Chrome Driver on DBX runtime 10.4 and above ?

Hi Team,We are wondering if there is a recommended way to install the chromium browser and chrome driver on Databricks Runtime 10.4 and above ?I have been through the site and have come across several links to this effect, but they all seem to be ins...

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Kaizen
Valued Contributor
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Look into Playwrite instead of Selenium. I went through the same process y'all went through here (ended up writing a init script to install the drivers etc)This is all done for you in playwright. Refer to this post - I hope it helps!!https://communit...

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azera
by • New Contributor II
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Stream-stream window join after time window aggregation not working in 13.1

Hey,I'm trying to perform Time window aggregation in two different streams followed by stream-stream window join described here. I'm running Databricks Runtime 13.1, exactly as advised.However, when I'm reproducing the following code:clicksWindow = c...

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Happyfield7
New Contributor II
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Hey,I'm currently facing the same problem, so I would to know if you've made any progress in resolving this issue.

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sevvalmehder
by • New Contributor II
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Databricks run-time 12.2 LTS drop function problem

I am getting an error about the `drop function of pyspark` at a cluster using 12.2 LTS. When I check the error I see spark solved that bug, see SPARK-42444. Also when I check maintenance updates page, I saw this solved issue included the Databricks R...

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Anonymous
Not applicable
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Hi @Sevval Mehder​ Elevate our community by acknowledging exceptional contributions. Your participation in marking the best answers is a testament to our collective pursuit of knowledge.

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darkraisisi
by • New Contributor
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Is there a way to manually update the cuda required file in the db runtime? There are some rather annoying bugs still in TF 2.11 that have been fixed ...

Is there a way to manually update the cuda required file in the db runtime?There are some rather annoying bugs still in TF 2.11 that have been fixed in TF 2.12.Sadly the latest DB runtime 13.1 (beta) only supports the older TF 2.11 even tho 2.12 was ...

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grazie
by • Contributor
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how to get dbutils in Runtime 13

We're using the following method (generated by using dbx) to access dbutils, e.g. to retrieve parameters from secret scopes: @staticmethod def _get_dbutils(spark: SparkSession) -> "dbutils": try: from pyspark.dbutils import...

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colt
New Contributor III
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We have something similar in our code. This worked using runtime 13 until last week. Also the Machine Learning DBR doesn't work either.

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Thanapat_S
by • Contributor
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Resolved! Table access control is deprecated in Databricks Runtime for Machine Learning

After reviewing this Deprecations, I discovered that Table Access Control is not supported in Databricks Runtime for Machine Learning.I want to understand why table access control is not designed for ML runtime. Is there any reason behind this?

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Anonymous
Not applicable
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@Thanapat Sontayasara​ Table Access Control (TAC) is a feature in Databricks that allows you to restrict access to specific tables in your workspace based on user or group identity.According to the Databricks documentation, TAC is not supported in th...

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AyushModi038
by • New Contributor III
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Resolved! Upgrade Python version in cluster

Currently I am using the following cluster. It is using the default python version of 3.9.5 and I would like to update it to 3.10.1.0How to achieve this?

image
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Anonymous
Not applicable
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Hi @Ayush Modi​ Thank you for posting your question in our community! We are happy to assist you.To help us provide you with the most accurate information, could you please take a moment to review the responses and select the one that best answers yo...

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Data_Engineer3
by • Contributor III
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How can i use the same spark session from onenotebook to another notebook in databricks

I want to use the same spark session which created in one notebook and need to be used in another notebook in across same environment, Example, if some of the (variable)object got initialized in the first notebook, i need to use the same object in t...

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Manoj12421
Valued Contributor II
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You can use %run and then use the location of the notebook - %run "/folder/notebookname"

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Rahul2025
by • New Contributor III
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Make environment variables defined in init script available to Spark JVM job?

Hi,We're using Databricks Runtime version 11.3LTS and executing a Spark Java Job using a Job Cluster. To automate the execution of this job, we need to define (source in from bash config files) some environment variables through an init script (clust...

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Anonymous
Not applicable
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Hi @Rahul K​ Hope all is well! Just wanted to check in if you were able to resolve your issue and would you be happy to share the solution or mark an answer as best? Else please let us know if you need more help. We'd love to hear from you.Thanks!

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thushar
by • Contributor
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Optimize & Compaction

Hi,From which data bricks runtime will support Optimize and compaction

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Joe_Suarez
New Contributor III
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Optimize and compaction are operations commonly used in Apache Spark for optimizing and improving the performance of data storage and processing. Databricks, which is a cloud-based platform for Apache Spark, provides support for these operations on v...

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