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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

JesseLancaster
by New Contributor III
  • 3043 Views
  • 2 replies
  • 5 kudos

Hello, I'm trying to use Databricks on Azure with a Spark structured streaming job and an having very mysterious issue. I boiled the job down it i...

Hello,I'm trying to use Databricks on Azure with a Spark structured streaming job and an having very mysterious issue.I boiled the job down it it's basics for testing, reading from a Kafka topic and writing to console in a forEachBatch.On local, ever...

  • 3043 Views
  • 2 replies
  • 5 kudos
Rajesh2747
by New Contributor III
  • 3360 Views
  • 2 replies
  • 4 kudos

Resolved! How to check, who did changes in databrics notebook and what are changes done in databrics notebook.

How to check, who did changes in databrics notebook and what are changes done in databrics notebook.

  • 3360 Views
  • 2 replies
  • 4 kudos
Latest Reply
Rajesh2747
New Contributor III
  • 4 kudos

@Hubert Dudek​ Thanks for the information. It is working.I have one more question:Is notebook saves changes automatically ?? If yes, I can see 'save now' option on top right corner(where user details shows/Version details shows) what is use of that o...

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1 More Replies
Sufyan
by New Contributor II
  • 1673 Views
  • 3 replies
  • 2 kudos

Resolved! When and where would I receive my Certificate after passing the exam?

I have passed the Databricks Certified Data Analyst Associate exam on 29 October 2022. I have not received the corticate yet.

  • 1673 Views
  • 3 replies
  • 2 kudos
Latest Reply
Anonymous
Not applicable
  • 2 kudos

Hi @Sufyan Shafique​ We are really sorry for the delays.Just a friendly- follow-up, have you got your certification and badge? If yes, please mark the answer as best.Thanks and Regards

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jefft
by New Contributor III
  • 2653 Views
  • 1 replies
  • 1 kudos

Databricks integration with DocumentDB

Hi Everyone,I was wondering if anyone here has any experience or tips reading data from AWS DocumentDB. I am working on this using the MongoDB connector. For DocumentDB we also need to work with the required creds issued as a .pem file by AWS. Th...

  • 2653 Views
  • 1 replies
  • 1 kudos
Latest Reply
jefft
New Contributor III
  • 1 kudos

Hi @Kaniz Fatma​ ,Thank you so much for your response. Your suggestions were helpful. As per the AWS documentation, DocumentDB is MongoDB compatible. "With Amazon DocumentDB, you can run the same application code and use the same drivers and tools th...

  • 1 kudos
marcus1
by New Contributor III
  • 3836 Views
  • 9 replies
  • 2 kudos

SQL Warehouse connections in us-east-2

I have 2 very similarly configured workspaces, one in us-west-2 and one in us-east-2.Both got configured by default with a "Starter Warehouse".The one in us-west-2 I can reach via the internet using python databricks-sql-connector, but the one in us-...

  • 3836 Views
  • 9 replies
  • 2 kudos
Latest Reply
Anonymous
Not applicable
  • 2 kudos

Hi @Marcus Simonsen​ 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.Th...

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ShibashishRoy
by New Contributor
  • 1569 Views
  • 1 replies
  • 0 kudos

unable to find LoginModule class: org.apache.kafka.common.security.plain.PlainLoginModule

In databricks I am trying to read data from a protected kafka topic using pyspark.I am getting an error "unable to find LoginModule class: org.apache.kafka.common.security.plain.PlainLoginModule".

  • 1569 Views
  • 1 replies
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Latest Reply
Kakfa_Topic
New Contributor II
  • 0 kudos

Did you able to resolve it?

  • 0 kudos
164079
by Contributor II
  • 3451 Views
  • 4 replies
  • 0 kudos

Resolved! authentication is not configured for provider

Hi team, I started getting this message lately when trying add some new config or change my workspace with terraform :Error: cannot create global init script: authentication is not configured for provider. Please check https://registry.terraform.io/p...

image
  • 3451 Views
  • 4 replies
  • 0 kudos
Latest Reply
Vivian_Wilfred
Databricks Employee
  • 0 kudos

Hi @Avi Edri​ looks like you are using a provider that is authenticated to the Accounts console (https://accounts.cloud.databricks.com) to create a global init script within the workspace. Can you try authentication with host and PAT token? Follow th...

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Tripalink
by New Contributor III
  • 7141 Views
  • 6 replies
  • 2 kudos

Resolved! Failed to fetch archive.ubuntu

I am trying to use selenium webdriver to do a scraping project in Databricks. The notebook used to run properly but now has an issue with the Get:1 http://archive.ubuntu.com/ubuntu focal/main amd64 fonts-liberation all 1:1.07.4-11 [822 kB]command .In...

  • 7141 Views
  • 6 replies
  • 2 kudos
Latest Reply
Hubert-Dudek
Esteemed Contributor III
  • 2 kudos

Hi, @Dagart Allison​ . I've created a new version of the selenium with the databricks manual. Please look here https://community.databricks.com/s/feed/0D58Y00009SWgVuSAL

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5 More Replies
Tripalink
by New Contributor III
  • 4022 Views
  • 2 replies
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Using Selenium Chrome Driver in Databricks, runs the first time but fails after that

I have a notebook that uses a Selenium Web Driver for Chrome and it works the first time I run the notebook. If I run the notebook again, it will not work and gives the error message: WebDriverException: Message: unknown error: unable to discover op...

  • 4022 Views
  • 2 replies
  • 0 kudos
Latest Reply
Hubert-Dudek
Esteemed Contributor III
  • 0 kudos

Hi, @Dagart Allison​ . I've created a new version of the selenium with the databricks manual. Please look here https://community.databricks.com/s/feed/0D58Y00009SWgVuSAL

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Arun_tsr
by New Contributor III
  • 6976 Views
  • 6 replies
  • 3 kudos

How to do bucketing in Databricks?

We are migrating a job from onprem to databricks. We are trying to optimize the jobs but couldn't use bucketing because by default databricks stores all tables as delta table and it shows error that bucketing is not supported for delta. Is there anyw...

  • 6976 Views
  • 6 replies
  • 3 kudos
Latest Reply
Pat
Honored Contributor III
  • 3 kudos

Hi @Arun Balaji​ ,bucketing is not supported for the delta tables as you have noticed.For the optimization and best practices with delta tables check this:https://docs.databricks.com/optimizations/index.htmlhttps://docs.databricks.com/delta/best-prac...

  • 3 kudos
5 More Replies
164079
by Contributor II
  • 10861 Views
  • 13 replies
  • 23 kudos

Resolved! Users are failing query data from S3 bucket

Hi team, Users are unable run select on data located on S3 buckets, S3 permission are ok.The only way they manage do it by granted the databricks workspace admin permission.Attached the error.Thanks!

  • 10861 Views
  • 13 replies
  • 23 kudos
Latest Reply
karthik_p
Esteemed Contributor
  • 23 kudos

@Avi Edri​ adding some more info to @Pat Sienkiewicz​ suggestion, @Avi Edri​ are you using cluster with instance profile, if you are using instance profile configured, please validate read permissions are there on that bucket and instance profile ass...

  • 23 kudos
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wats0ns
by New Contributor III
  • 19347 Views
  • 7 replies
  • 10 kudos

Resolved! Migrate tables from one azure databricks workspace to another

Hello all,I'm currently trying to move the tables contained in one azure workspace to another, because of a change in the way we use our resources groups. I have not been able to move more than metadata with the databrickslabs/migrate repo. I was won...

  • 19347 Views
  • 7 replies
  • 10 kudos
Latest Reply
Pat
Honored Contributor III
  • 10 kudos

Hi @Quentin Maire​ ,We need a bit more details.where is your data stored ?are you using external or managed tables?the migrate tool allows you to export DDL statements not the data itself.I can think about few scenarios on Top of my head.if you had p...

  • 10 kudos
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Arun_tsr
by New Contributor III
  • 2093 Views
  • 2 replies
  • 0 kudos

Spark SQL output multiple small files

We are having multiple joins involving a large table (about 500gb in size). The output of the joins is stored into multiple small files each of size 800kb-1.5mb. Because of this the job is split into multiple tasks and taking a long time to complete....

Spark UI metrics
  • 2093 Views
  • 2 replies
  • 0 kudos
Latest Reply
Debayan
Databricks Employee
  • 0 kudos

Hi @Arun Balaji​ , Could you please provide the error message you are receiving?

  • 0 kudos
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Kavin
by New Contributor II
  • 1861 Views
  • 1 replies
  • 2 kudos

Issue converting the datasets into JSON

Im a newbie to Databricks, I need to convert the data sets into JSON. i tried bth FOR JSON AUTO AND FOR JSON PATH, However im getting an issue - [PARSE_SYNTAX_ERROR] Syntax error at or near 'json'line My Query works fine without FOR JSON AUTO AND FOR...

  • 1861 Views
  • 1 replies
  • 2 kudos
Latest Reply
Debayan
Databricks Employee
  • 2 kudos

Hi @Kavin Natarajan​ , Could you please go through https://www.tutorialkart.com/apache-spark/spark-write-dataset-to-json-file-example/ , looks like the steps are okay.

  • 2 kudos

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