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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

nlakshmidevi125
by New Contributor
  • 3192 Views
  • 2 replies
  • 1 kudos

about .crc file in delta transaction log

why .crc file will create along with delta log files

  • 3192 Views
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Latest Reply
Lakshay
Databricks Employee
  • 1 kudos

Hi @Lakshmi devi​ , crc file is basically a checksum file that contains the stats for the respective version file. It is used for snapshot verification in the backend.

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Mikki007
by New Contributor II
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Resolved! Constructor public org.apache.spark.SparkConf(boolean) is not whitelisted.

My code:from great_expectations.datasource import SparkDFDatasourcefrom pyspark.sql import SparkSessionsession_name = 'mk_spark_session'spark = SparkSession.builder.appName(session_name).getOrCreate()datasource = SparkDFDatasource(spark)query = "SELE...

  • 6376 Views
  • 2 replies
  • 1 kudos
Latest Reply
jose_gonzalez
Databricks Employee
  • 1 kudos

Are you using a high concurrency cluster? if you do, please try to run this code on standard cluster

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parthsalvi
by Contributor
  • 5296 Views
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getContext() in dbutils.notebook not working in DBR 11.2 10.4 LTS Shared Mode It's also working in no isolation Mode in DBR 11.2

We are trying to fetch notebook context in our Job logging workflow.current_context = dbutils.notebook.entry_point.getDbutils().notebook().getContext().toJson()We were able to access this in DBR 10.4 custom mode but in DBR 10.4 & 11.2 (Shared Mode) w...

image
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Latest Reply
Tjomme
New Contributor III
  • 2 kudos

See also: https://community.databricks.com/s/question/0D58Y00009t95NHSAY/unity-catalog-shared-access-mode-dbutilsnotebookentrypointgetcontext-not-whitelisted

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yopbibo
by Contributor II
  • 12627 Views
  • 6 replies
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Resolved! How to copy the content of a repos, in the workspace/shared, automatically, daily?

How to copy the content of a repos, in the workspace/shared, automatically, daily?Purpose here is to bring some notebooks, in shared, available to all workspace users, without requesting users to use REPOS.

  • 12627 Views
  • 6 replies
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Latest Reply
citizenkrank
New Contributor II
  • 0 kudos

Alternatively, you can schedule a notebook with the following cell:%sh cp -r /Workspace/Repos/username/repo_name /Workspace/SharedPlease note that you'll have to update (i.e. pull) the repo manually if you've updated it somewhere else (although you c...

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gilo12
by New Contributor III
  • 986 Views
  • 0 replies
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Connect to warehouse vs connect to compute/cluster

When I create a warehouse, there are connection details which I was able to successfully use, but there are also connection details when I navigate in the console to Compute->configuration->Advanced options-> JDBC/ODBC What is the difference between ...

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Kash
by Contributor III
  • 7473 Views
  • 3 replies
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Linear Regression HELP! Pickle + Broadcast Variable Error

Hi there,I need some help with this example. We're trying to create a linearRegression model that can parallelize for thousands of symbols per date. When we run this we get a picklingError Any suggestions would be much appreciated!KError:PicklingErro...

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Latest Reply
Kash
Contributor III
  • 0 kudos

@Vidula Khanna​ Can you assist?

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2 More Replies
BorislavBlagoev
by Valued Contributor III
  • 11991 Views
  • 3 replies
  • 9 kudos

Resolved! Delta save timestamp as timestamp with time zone

Hello! I have the following problem. I want to save the delta table and that table contains timestamp columns, but when I try to write that table with spark the timestamp columns become timestamp with the time zone. This is a problem in my case becau...

  • 11991 Views
  • 3 replies
  • 9 kudos
Latest Reply
Bhimaniheet
New Contributor II
  • 9 kudos

Hi @Hubert Dudek​ ,When you have time, I describe my problem. Can you please check?

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mbejarano89
by New Contributor III
  • 2757 Views
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Running a K-means (.fit) gives error:Params must be either a param map or a list/tuple of param maps but got %s." % type(params)

 am running a k-means algorithm. My feature are DoubleType and have no nulls, but I get : raise TypeError("Params must be either a param map or a list/tuple of param maps but got %s." % type(params). Anyone have any idea how to solve this?File /datab...

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Latest Reply
mbejarano89
New Contributor III
  • 0 kudos

I found the answer just by trying several things, although I do not understand exactly what the problem was. All I had to do was to cache the input data before fitting the model:assemble=VectorAssembler(inputCols=columns_input, outputCol='features')...

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Anonymous
by Not applicable
  • 2665 Views
  • 4 replies
  • 2 kudos

  Hello Everyone, I am thrilled to announce that we have our 6th winner for the raffle contest - @Yogita Chavan​ . Please join me in congratulating he...

 Hello Everyone,I am thrilled to announce that we have our 6th winner for the raffle contest - @Yogita Chavan​ . Please join me in congratulating her on this remarkable achievement!Your dedication and hard work have paid off, and we are delighted to ...

6
  • 2665 Views
  • 4 replies
  • 2 kudos
Latest Reply
yogu
Honored Contributor III
  • 2 kudos

@Suteja Kanuri​ i haven't received swag until now as per our last mail i provided size after that I didn't receive any mail for tracking details

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bshirdi
by New Contributor II
  • 8319 Views
  • 1 replies
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Getting HTTP 502 bad gateway error!

Hello all,I am suddenly getting an HTTP 502 and DRIVER_LIBRARY_INSTALLATION_FAILURE error during the Python library installation when the cluster gets initialized. I have around 10 Python packages out of which 2-3, packages always failed to install a...

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  • 8319 Views
  • 1 replies
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Latest Reply
Anonymous
Not applicable
  • 2 kudos

Hi @Bhargav Shir​ Great to meet you, and thanks for your question! Let's see if your peers in the community have an answer to your question. Thanks.

  • 2 kudos
Priyag1
by Honored Contributor II
  • 1043 Views
  • 2 replies
  • 10 kudos

How to improve visualization and dasboard concepts?

How to improve visualization and dasboard concepts?

  • 1043 Views
  • 2 replies
  • 10 kudos
Latest Reply
Anonymous
Not applicable
  • 10 kudos

Hi @Priyadarshini G​ Great to meet you, and thanks for your question! Let's see if your peers in the community have an answer to your question. Thanks.

  • 10 kudos
1 More Replies
carlosjrestr
by New Contributor III
  • 3429 Views
  • 1 replies
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Does Unity Catalog on Azure require premium blob storage tier?

from the docs I read : Create a storage container where the metastore’s managed table data will be stored.This storage container must be in a Premium performance Azure Data Lake Storage Gen2 account in the same region as the workspaces you want to us...

  • 3429 Views
  • 1 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hi @Carlos Restrepo​ We haven't heard from you since the last response from @Kaniz Fatma​ â€‹, and I was checking back to see if her suggestions helped you.Or else, If you have any solution, please share it with the community, as it can be helpful to o...

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pranavyadavbugy
by New Contributor II
  • 2871 Views
  • 1 replies
  • 1 kudos

Regarding Discount on certifications for students

Hi team,I'm a student is there any student discounts for students on certification if yes please let me know.Thanks

  • 2871 Views
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Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hi @Pranav Yadav​ Great to meet you, and thanks for your question! Let's see if your peers in the community have an answer to your question. Thanks.

  • 1 kudos
jch
by New Contributor III
  • 1904 Views
  • 1 replies
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Can Kaggle Kernels be used in Databricks notebooks?

suggestions).This one looks perfect kaggle kernels output rsrishav/starter-youtube-trending-video-dataset -p /path/to/dest but I'm not using CLI, I'm using a databricks notebook.I tried using this code but it doesn't work. data_path = 'rsrishav/youtu...

  • 1904 Views
  • 1 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @jch​ Great to meet you, and thanks for your question! Let's see if your peers in the community have an answer to your question. Thanks.

  • 0 kudos
Phani1
by Valued Contributor II
  • 904 Views
  • 1 replies
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Databricks Cross cloud (Databricks on AWS and Storage is on Azure)

We have a Databricks account on AWS and storage is on Azure Cloud (ADLS), because of cross-platform do we face any security and performance-related issues also is this feasible and supported? could you please provide your suggestions on this?

  • 904 Views
  • 1 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Janga Reddy​ Great to meet you, and thanks for your question! Let's see if your peers in the community have an answer to your question. Thanks.

  • 0 kudos

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