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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

LJ
by New Contributor II
  • 11768 Views
  • 1 replies
  • 4 kudos

Resolved! Accept widget value during runtime from user

list1 = ('alpha', 'beta', 'gamma', 'eta', 'Theta')list2 = ('alpha', 'beta')df1 = spark.createDataFrame(list1, 'String').withColumnRenamed('value', 'dataset')df2 = spark.createDataFrame(list2, 'String').withColumnRenamed('value', 'dataset')df = df1.ex...

  • 11768 Views
  • 1 replies
  • 4 kudos
Latest Reply
Hubert-Dudek
Databricks MVP
  • 4 kudos

Every time the user change selection in the widget, you get that selection—behavior after the dropdown change you can define in widget settings.

  • 4 kudos
AriB101
by New Contributor
  • 1405 Views
  • 1 replies
  • 1 kudos

Attended 18Oct22 webinar but didnt recieve voucher

Hi @Kaniz Fatma​ Attended the webinar on 18th Oct uploaded the datalakehouse cert but didnt recieve voucher as of now,also didnt recieve data engg associate certificate.​Please help!!

  • 1405 Views
  • 1 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hi @Arindam Bose​ Just a friendly- follow-up, have you got your certification and badge? If yes, please mark the answer as best.Thanks and Regards

  • 1 kudos
RK_AV
by New Contributor III
  • 6601 Views
  • 5 replies
  • 8 kudos

Autoloader cluster

I wanted to setup Autoloader to process files from Azure Data Lake (Blob) automatically whenever new files arrive. For this to work, I wanted to know if AutoLoader requires that the cluster is on all the time.

  • 6601 Views
  • 5 replies
  • 8 kudos
Latest Reply
asif5494
New Contributor III
  • 8 kudos

@Kaniz Fatma​ , If my cluster is not active, and I have uploaded 50 files in storage location, then where this Auto Loader will list out these 50 files. Will it use any checkpoint location, if yes, then how can I set the checkpoint location in Cloud ...

  • 8 kudos
4 More Replies
133994
by New Contributor III
  • 3546 Views
  • 6 replies
  • 4 kudos

Resolved! Databricks Certified Data Engineer Associate Certificate not received

Hello,I passed Databricks Certified Data Engineer Associate on 30 October 2022, but still didn't receive my certificate/badge. Could you please help me to obtain it?Regards,Ali

  • 3546 Views
  • 6 replies
  • 4 kudos
Latest Reply
Anonymous
Not applicable
  • 4 kudos

Hi @ali.ganbarov ali.ganbarov​ We are really sorry for the delays.The certification has been issued but due to the lag in the system, it is taking time. Our team is working on it. Please visit the credible site once.Thanks and Regards

  • 4 kudos
5 More Replies
129876
by New Contributor III
  • 7416 Views
  • 4 replies
  • 7 kudos

Schedule job runs with different parameters?

Is it possible to schedule different runs for job with parameters? I have a notebook that generates data based on the supplied parameter but would like to schedule runs instead of manually starting them. I assume that this would be possible using the...

  • 7416 Views
  • 4 replies
  • 7 kudos
Latest Reply
Debayan
Databricks Employee
  • 7 kudos

You can pass parameters for your task. Each task type has different requirements for formatting and passing the parameters. https://docs.databricks.com/workflows/jobs/jobs.html#create-a-jobREST API can also pass parameters fro jobs. Tokens replace pa...

  • 7 kudos
3 More Replies
Sandy21
by New Contributor III
  • 3986 Views
  • 1 replies
  • 2 kudos

Resolved! Cluster Configuration Best Practices

I have a cluster with the configuration of 400 GB RAM, 160 Cores.Which of the following would be the ideal configuration to use in case of one or more VM failures?Cluster A: Total RAM 400 GB      Total Cores 160   Total VMs: 1   400 GB/Exec & 160 c...

  • 3986 Views
  • 1 replies
  • 2 kudos
Latest Reply
karthik_p
Databricks Partner
  • 2 kudos

@Santhosh Raj​ can you please confirm cluster sizes you are taking are related to driver and worker node. how much you want to allocate to Driver and Worker? once we are sure about type of driver and worker we would like to pick, we need to enable au...

  • 2 kudos
lzha174
by Contributor
  • 8869 Views
  • 3 replies
  • 3 kudos

Resolved! ipywidgets stopped displaying today

everything was working yesterday, but today it stopped working as below: The example from the DB website does not work either with the same error. The page source says  This is affecting my work~~~a bit annoying, is DB people going to look into this ...

image image
  • 8869 Views
  • 3 replies
  • 3 kudos
Latest Reply
lzha174
Contributor
  • 3 kudos

Today its back to work! I got a pop up window sayingthis should be the reason it was broken

  • 3 kudos
2 More Replies
Dinu2
by New Contributor III
  • 3598 Views
  • 0 replies
  • 3 kudos

Cassandra connection from ADB

Hi , Could anyone please help to know the steps for connecting Cassandra from Azure Databricks? I have followed the steps in https://learn.microsoft.com/en-us/azure/databricks/_static/notebooks/azure/cassandra-azure.html But I am getting below error....

  • 3598 Views
  • 0 replies
  • 3 kudos
Sandy21
by New Contributor III
  • 1543 Views
  • 0 replies
  • 0 kudos

Databricks Jobs

Consider User A has deployed the job to prod. User B has scheduled the job through an external orchestration tool.User C has got the owner privileges from User A. Whose email id would be displayed while running the databricks job?

  • 1543 Views
  • 0 replies
  • 0 kudos
Constantino
by New Contributor III
  • 3476 Views
  • 2 replies
  • 4 kudos

CMK for managed services automatic rotation

The docs for the CMK for workspace storage states:After you add a customer-managed key for storage, you cannot later rotate the key by setting a different key ARN for the workspace. However, AWS provides automatic CMK master key rotation, which rotat...

  • 3476 Views
  • 2 replies
  • 4 kudos
Latest Reply
Debayan
Databricks Employee
  • 4 kudos

Hi @Constantino Schillebeeckx​ , You can update/rotate CMK at a later time (on a running workspace). Please refer: https://docs.databricks.com/security/keys/customer-managed-keys-managed-services-aws.html?_ga=2.214562071.1895504292.1667411694-6435253...

  • 4 kudos
1 More Replies
BorislavBlagoev
by Databricks Partner
  • 40522 Views
  • 33 replies
  • 14 kudos
  • 40522 Views
  • 33 replies
  • 14 kudos
Latest Reply
bhuvahh
New Contributor II
  • 14 kudos

I think plain python code will run with databricks connect (if it is a python program you are writing), and spark sql can be done by spark.sql(...).

  • 14 kudos
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