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Connect with fellow community members to discuss general topics related to the Databricks platform, industry trends, and best practices. Share experiences, ask questions, and foster collaboration within the community.
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Forum Posts

arkiboys
by Contributor
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databricks email notification

In databricks, if a job fails, then an email is sent off as notification.The recipient, receives the email with the link to the databricks workspace.Question:How is it possible the email is sent without any link, just the plain text in the email is w...

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In databricks, if a job fails, then an email is sent off as notification.The recipient, receives the email with the link to the databricks workspace.Question:How is it possible the email is sent without any link, just the plain text in the email is w...

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namankhamesara
by New Contributor II
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Discrepancy in Performance Reading Delta Tables from S3 in PySpark

Hello Databricks Community,I've encountered a puzzling performance difference while reading Delta tables from S3 using PySpark, particularly when applying filters and projections. I'm seeking insights to understand this variation better.I've attempte...

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Hello Databricks Community,I've encountered a puzzling performance difference while reading Delta tables from S3 using PySpark, particularly when applying filters and projections. I'm seeking insights to understand this variation better.I've attempte...

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RozaZaharieva
by New Contributor
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set up Azure Databricks workspace and Unity catalog - how to automate not using Terraform

Hi everyone, I am looking for a way to automate initial setup of Azure Databricks workspace and Unity Catalog but can't find anything on this topic other than Terraform. Can you share if this is possible with powershell, for example. Thank you un adv...

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SaiNeelakantam
by New Contributor
  • 1954 Views
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How to enable "Create Vector Search Index" button in DB workspace?

How to enable "Create Vector Search Index" button in DB workspace?Following is the screenshot from the Microsoft Ignite 2023 Databricks presentation:

  • 1954 Views
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PL_db
Databricks Employee
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The feature is in public preview only in some regions, you can check the available regions in the documentation here.  In addition there are certain requirements, such as a UC enabled workspace and Serverless Compute enabled, you can check all requir...

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SamGreene
by Contributor
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CONVERT_TIMEZONE issue in DLT

I can run a query that uses the CONVERT_TIMEZONE function in a SQL notebook.  When I move the code to my DLT notebook the pipeline produces this error:Cannot resolve function `CONVERT_TIMEZONE`Here is the line:  CONVERT_TIMEZONE('UTC', 'America/Phoen...

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annn
New Contributor II
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Yes, the notebook is set to SQL and the convert_timezone function is within a select statement.

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Ak_0926
by New Contributor
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Can we get the actual query execution plan programmatically after a query is executed? Apart from UI

Let's say i have run a query and it showed me results. we can find the respective query execution plan on the UI. Is there any way we can get that execution plan through programmatically or through API?

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Walter_C
Databricks Employee
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You can obtain the query execution plan programmatically using the EXPLAIN statement in SQL. The EXPLAIN statement displays the execution plan that the database planner generates for the supplied statement. The execution plan shows how the table(s) r...

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Danny_Lee
by Valued Contributor
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Top Kudoed Author 🌟🤩🧑‍🎤

I recently saw a link to the Kudos Leaderboard for the Community Discussions.  It has always been my hope and fantasy , ever since I was a little child that I would someday be the #1 Kudoed Author on Community Discusions on community.Databricks.com....

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Danny_Lee
Valued Contributor
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Thanks @DB_Paul - I'm on my way!   

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Anku_
by New Contributor II
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New to PySpark

Hi all,I am trying to get the domain from an email field using below expression; but getting an error.Kindly help. df.select(df.email, substring(df.email,instr(df.email,'@'),length(df.email).alias('domain')))

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Walter_C
Databricks Employee
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In your case, you want to extract the domain from the email, which starts from the position just after '@'. So, you should add 1 to the position of '@'. Also, the length of the substring should be the difference between the total length of the email ...

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kickbuttowski
by New Contributor II
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Issue in inferring schema for streaming dataframe using json files

Below is the pileine design in databricks and it's not working out , kindly look on this and let me know whether it will work or not , I'm getting json files of different schemas from directory under the root directory and it read all the files using...

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AmanSehgal
Honored Contributor III
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Could you please share some sample of your dataset and code snippet of what you're trying to implement?

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pernilak
by New Contributor III
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Resolved! Pros and cons of physically separating data in different storage accounts and containers

When setting up Unity Catalog, it is recommended by Databricks to figure out your data isolation model when it comes to physically separating your data into different storage accounts and/or contaners. There are so many options, it can be hard to be ...

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raphaelblg
Databricks Employee
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Hello @pernilak , Thanks for reaching out to Databricks Community! My name is Raphael, and I'll be helping out. Should all catalogs and the metastore reside in the same storage account (but different containers)   Yes, Databricks recommends having o...

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Mesh
by New Contributor II
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Optimizing for Recall in Azure AutoML UI

Hi all, I've been using Azure AutoML and noticed that I can choose 'recall' as my optimization metric in the notebook but not in the Azure AutoML UI. The Databricks documentation also doesn't list 'recall' as an optimization metric.Is there a reason ...

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Mesh
New Contributor II
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On the databricks notebook itself, I can see that databricks.automl supports using recall as a primary metric Help on function classify in module databricks.automl: :param primary_metric: primary metric to select the best model. Each trial will...

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swapnilmd
by New Contributor
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Databricks Web Editor's Cell like UI in local IDE

I want to have databricks related developement locally.There is extension that allows to run local python file on remote databricks cluster.But I want to have cell like structure that is present in databricks UI for python files in local IDE as well....

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daniel_sahal
Esteemed Contributor
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@swapnilmd You can use VSCode extension for Databricks.https://docs.databricks.com/en/dev-tools/vscode-ext/index.html

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NhanNguyen
by Contributor II
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[Memory utilization in Metrics Tab still display after terminate a cluster]

Hi All,Could you guys help me to check this?I run a cluster and then terminate that cluster but when i navigate to the Metrics tab of Cluster still see the Memory utilization show metrics.Thanks

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NhanNguyen
Contributor II
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here are my cluster display and my simple notebook:

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HakanNordgren
by New Contributor II
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databricks-jdbc lists `spark_catalog` among catalogs for Standard tier Azure workspace

databricks-jdbc lists `spark_catalog` among catalogs for Standard tier Azure workspace. The UI lists `hive_metastore`. It would be better if these two were consistent.

  • 1979 Views
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databricks-jdbc lists `spark_catalog` among catalogs for Standard tier Azure workspace. The UI lists `hive_metastore`. It would be better if these two were consistent.

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