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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

dibo
by New Contributor II
  • 724 Views
  • 0 replies
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I can't login to https://community.cloud.databricks.com/login.html

Now, I can't login to https://community.cloud.databricks.com/login.html with the correct username and password, later I click the button to reset my password and I receive the email for modifying password, I have modified password, But I still can't ...

  • 724 Views
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SamSteere
by New Contributor III
  • 2033 Views
  • 3 replies
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docs.databricks.com

REST API Documentation is out of date since the release of Delta Live TablesWhen using the `2.0/clusters/list` endpoint in an environment with running clusters provisioned by DLTs, the clusters will be returned with a `cluster_source` value of `PIPEL...

  • 2033 Views
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  • 6 kudos
Latest Reply
Vidula
Honored Contributor
  • 6 kudos

Hi @Sam Steere​ 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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2 More Replies
alejandrofm
by Valued Contributor
  • 3591 Views
  • 7 replies
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Improve dowload speed or see download progress Python-Databricks SQL

Hi! I'm using the code from here to execute a query on Databricks, it goes flawlessly, can follow it from the Spark UI, etc. The problem here is at the moment it seems the download of the result (spark is idle, there is a green check in the query his...

  • 3591 Views
  • 7 replies
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Latest Reply
Vidula
Honored Contributor
  • 1 kudos

Hi @Alejandro Martinez​ 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...

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data_boy_2022
by New Contributor III
  • 13796 Views
  • 7 replies
  • 3 kudos

Data ingest of csv files from S3 using Autoloader is slow

I have 150k small csv files (~50Mb) stored in S3 which I want to load into a delta table.All CSV files are stored in the following structure in S3:bucket/folder/name_00000000_00000100.csvbucket/folder/name_00000100_00000200.csvThis is the code I use ...

Cluster Metrics SparkUI_DAG SparkUI_Job
  • 13796 Views
  • 7 replies
  • 3 kudos
Latest Reply
Vidula
Honored Contributor
  • 3 kudos

Hi @Jan R​ 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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Nid
by New Contributor
  • 945 Views
  • 1 replies
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badge not received for Databricks Lakehouse Fundamentals Accreditation

Hi,I have cleared the assessment for Databricks Lakehouse Fundamentals Accreditationbut yet to received a badge. Kindly assist me with this

  • 945 Views
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Latest Reply
Vidula
Honored Contributor
  • 0 kudos

Hi @Nidhi kawale​ Thank you for reaching out!Let us look into this for you, and we will get back to you with an update.Kindly, share your email id at community@databricks.com.

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Bit-Warrior
by New Contributor
  • 662 Views
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Installing System ML on the cluster

I am trying to install the systemml package from Maven, I ignored the librarieslog4j:log4j, com:sun.jdmk, com:sun.jmx, javax:jmsBut when I run one command of systemml, then spark/databricks can no longer select from tables, effectively breaking somet...

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parthsalvi
by Contributor
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Few sparks apis not working in DBR 11.2, 10.4 LTS Shared Mode (custom vpc) like df.tail, df.rdd.map

We're trying to use DBR 11.2 & 10.4LTS in Shared mode on a customer managed vpc. But we're running into following issues Is this issue related to our customer managed VPC setup or is it specific to DBR 11.2.Same issue also seen in DBR 11.1 and 10.4 L...

Screenshot 2022-09-16 at 9.09.58 PM
  • 1511 Views
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nancy_g
by New Contributor III
  • 4549 Views
  • 4 replies
  • 5 kudos
  • 4549 Views
  • 4 replies
  • 5 kudos
Latest Reply
Rostislaw
New Contributor III
  • 5 kudos

Right now the feature seems to be public available. It is possible to schedule jobs with ADLS passthough enabled and do not have to provide service principal credentials.However I ask myself how that works behind the scenses. When working interactive...

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amit
by New Contributor II
  • 1159 Views
  • 2 replies
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www.databricks.com

Hi @Lindsay Olson​ ,I have attended the virtual instructor-led training on 23-08-2022 (https://www.databricks.com/p/webinar/databricks-lakehouse-fundamentals-learning-plan). As per the conditions mentioned, I have completed all of the steps for getti...

  • 1159 Views
  • 2 replies
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Latest Reply
amit
New Contributor II
  • 0 kudos

Thanks @Lindsay Olson​ . Yes issue has been resolved,

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BradSheridan
by Valued Contributor
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  • 1 replies
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using a UDF in a Windows function

I have created a UDF using:%sqlCREATE OR REPLACE FUNCTION f_timestamp_max()....And I've confirmed it works with:%sqlselect f_timestamp_max()But when I try to use it in a Window function (lead over partition), I get:AnalysisException: Using SQL functi...

  • 2278 Views
  • 1 replies
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Latest Reply
Debayan
Databricks Employee
  • 0 kudos

Hi, As of now, Spark SQL supports three kinds of window functions: ranking functions. analytic functions. aggregate functions. Please refer: https://docs.databricks.com/sql/language-manual/sql-ref-window-functions.html#parameters

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Haima
by New Contributor
  • 624 Views
  • 0 replies
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FileNotFoundError: [Errno 2] /dbfs/fileone.csv

I'm trying to transfer my csv file from databricks to sftp but i'm getting file not found error.here is my code:file_size = sftp.stat("/dbfs/fileone.csv").st_sizewith open("/dbfs/fileone.csv", "rb") as fl:return self.putfo(fl, Destinationpath, file_s...

  • 624 Views
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brickster_2018
by Databricks Employee
  • 6336 Views
  • 3 replies
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Resolved! How many notebooks/jobs can I run in parallel on a Databricks cluster?

Is there a limit on it and is the limit configurable?

  • 6336 Views
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Latest Reply
brickster_2018
Databricks Employee
  • 0 kudos

There is a hard limit of 145 active execution contexts on a Cluster. This is to ensure the cluster is not overloaded with too many parallel threads starving for resources. The limit is not configurable. If there are more than 145 parallel jobs to be ...

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data_serf
by New Contributor
  • 6677 Views
  • 3 replies
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Resolved! How to integrate java 11 code in Databricks

Hi all,We're trying to attach java libraries which are compiled/packaged using Java 11.After doing some research it looks like even the most recent runtimes use Java 8 which can't run the Java 11 code ("wrong version 55.0, should be 52.0" errors)Is t...

  • 6677 Views
  • 3 replies
  • 1 kudos
Latest Reply
matthewrj
New Contributor II
  • 1 kudos

I have tried setting JNAME=zulu11-ca-amd64 under Cluster > Advanced options > Spark > Environment variables but it doesn't seem to work. I still get errors indicating Java 8 is the JRE and in the Spark UI under "Environment" I still see:Java Home: /u...

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