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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

hps2
by New Contributor II
  • 2241 Views
  • 0 replies
  • 0 kudos

duplicate files in bronze delta table

Hello All,I am facing this issue from long time but so far there is no solution. I have delta table. My bronze layer is picking up the old files (mostly 8 days old file) randomly. My source of files is azure blob storage.Those files and not being upd...

  • 2241 Views
  • 0 replies
  • 0 kudos
Prem1902
by New Contributor II
  • 3049 Views
  • 2 replies
  • 1 kudos

Resolved! Cost of running a job on databricks

Hi All, I need assistance with the cost of running the job on Databricks where I have 20-30 TB (one-time job) and daily data would be around 2GB. The level of transformation would be medium.  Source and destination is AWS s3.Looking for your quick re...

  • 3049 Views
  • 2 replies
  • 1 kudos
Latest Reply
Prem1902
New Contributor II
  • 1 kudos

Is there a way to predict the cost before building the solution? I mean we wanted to see our option on different platforms.

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valjas
by New Contributor III
  • 1609 Views
  • 1 replies
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Is it possible to migrate SQL Objects from one workspace to another?

We have SQL Queries and dashboards in workspace dev_01. New workspace dev_02 is created and unity catalog is enabled.I was able to migrate jobs, clusters, DLTs, SQL warehouses, users using APIs. But, while migrating queries using APIs, I can't get th...

  • 1609 Views
  • 1 replies
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jcoggs
New Contributor II
  • 0 kudos

I'm doing something similar, but I haven't run into this parent directory issue. [Actually to be clear I ran into an issue around missing user directories, but I believe that was different than what you describe]. Before migrating the queries, I'm re...

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Jaris
by New Contributor III
  • 3790 Views
  • 3 replies
  • 1 kudos

CDC Delta table select using startingVersion on Shared cluster running DBR 14.3 does not work

Hello everyone,We have switched from DBR 13.3 to 14.3 on our Shared development cluster and I am no longer able to run following read from a delta table with CDC enabled:data = ( spark.read.format("delta") .option("readChangeFeed", "true") .op...

  • 3790 Views
  • 3 replies
  • 1 kudos
m-lopez
by New Contributor II
  • 7405 Views
  • 1 replies
  • 1 kudos

Connection closed by foreign host

Hi, I am setting up Unity Catalog in my environment, I have a workspace with 2 clusters, the older one (10.4 runtime and non-isolated shared mode) without Unity Catalog configuration and the new one with Unity Catalog enabled (13.3 runtime and shared...

  • 7405 Views
  • 1 replies
  • 1 kudos
Latest Reply
Ayushi_Suthar
Databricks Employee
  • 1 kudos

Hi @m-lopez , hope you are doing well!  Were you able to connect to Kafka before? Also, do you get the same issue if you run the telnet command against port 9092?  As per the error message "Trying 10.40.12.243...Connected to 10.40.12.243. Escape char...

  • 1 kudos
PrData05
by New Contributor II
  • 7475 Views
  • 5 replies
  • 1 kudos

dbfs rest api - Access denied on dbfs rest api call but access works in dataricks notebook

Hello, We are trying to interact with dbfs to upload files and list files in dbfs directory ( we are tring to upload files in volumes ). Although we have necessary permissions on databricks, we are still getting permission denied when we are making r...

Data Engineering
dbfs api
dbfs rest api
REST API
  • 7475 Views
  • 5 replies
  • 1 kudos
Latest Reply
sgdnp
New Contributor II
  • 1 kudos

I am experiencing the same issue as well. Any ideas about how we can upload to volumes using the api? Tried both the /api/2.0/dbfs/put and the streaming apis (/api/2.0/dbfs/create,/api/2.0/dbfs/add-block,/api/2.0/dbfs/close) but no luck so getting it...

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YevheniiY
by New Contributor II
  • 11926 Views
  • 1 replies
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Empty xml tag

 <ItemMaintenance> <Batch> <BathInfo>info</BathInfo> <Item attr1="tekst" attr2="Tekst2"> <ItemId type="Type" id="id"/> <Dates> <Start>2023-11-09</Start> <End>2024-01-02</End> </Dates> <MoreData> More data </MoreData> <...

Data Engineering
empty xml tag
public preview
XML
xml auto loader
xml read
  • 11926 Views
  • 1 replies
  • 0 kudos
Learnit
by New Contributor II
  • 10800 Views
  • 1 replies
  • 0 kudos

Databricks Vs ADLS for reporting.

Hi everyone, I'm a business analyst currently facing a decision on how best to develop a report. I need to choose between using Databricks or Azure Data Lake Storage (ADLS) as the data source on the transformed data in csv or excel file format from d...

  • 10800 Views
  • 1 replies
  • 0 kudos
Latest Reply
Palash01
Valued Contributor
  • 0 kudos

Hey @Learnit I'd be glad to help, thanks for posting your concern. To offer the most effective advice, I might need some additional context about your specific situation as looks like your use case is to create reports (dahboards) using local CSV/exc...

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Nixon
by New Contributor II
  • 978 Views
  • 1 replies
  • 0 kudos

Resonable long running time

Hi there, I have a block of code which can be executed around a month ago within 20 mins. But I came back recently and try to execute it again. It takes over 50 minutes still cannot complete (finally got kick out). Any advise and hints is appreciated...

  • 978 Views
  • 1 replies
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Latest Reply
Nixon
New Contributor II
  • 0 kudos

Haha...    Should be "unreasonable long" 

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vsharma
by New Contributor II
  • 3880 Views
  • 3 replies
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Where to move cluster-init scripts after latest message (Storing initialization scripts on DBFS is being deprecated. We recommend using a different storage location)?

Recently Databricks has started showing "Storing initialization scripts on DBFS is being deprecated. We recommend using a different storage location" . Is there an alternative of still keep using DBFS or do we need to move to ABSFS ? I could not find...

  • 3880 Views
  • 3 replies
  • 0 kudos
Latest Reply
vkeziv
New Contributor II
  • 0 kudos

It is suggested that we can use Workspace but databricks CLI not supporting importing shell scripts, but we can import shell script using web page? 

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bergmaal
by New Contributor III
  • 3577 Views
  • 2 replies
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Workflows 7 second delay between tasks

When you have a job in Workflows with multiple tasks running after one another, there seems to be a consistent 7 seconds delay between execution of the tasks. Or, more precisely, every task has an approximate 7 second overhead before the code actuall...

Data Engineering
delay
overhead
tasks
Workflows
  • 3577 Views
  • 2 replies
  • 1 kudos
Latest Reply
JensH
New Contributor III
  • 1 kudos

Hi @bergmaal , I am experiencing the same issue.My Databricks consultant suggested opening a support ticket as this should not be normal behavior.Did you solve this issue yet?We observed these delays do not seem to occur in workflows that use noteboo...

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NotARobot
by New Contributor III
  • 3407 Views
  • 1 replies
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Delta Live Tables UDFs and Versions

Trying to do a url_decode on a column, which works great in development, but running via DLT fails when trying multiple ways.1. pyspark.sql.functions.url_decode - This is new as of 3.5.0, but isn't supported using whatever version running a DLT pipel...

  • 3407 Views
  • 1 replies
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Latest Reply
NotARobot
New Contributor III
  • 1 kudos

Thanks @Retired_mod, for reference if anybody finds this, the DLT release docs are here: https://docs.databricks.com/en/release-notes/delta-live-tables/index.htmlThis shows which versions are running for CURRENT and PREVIEW channels. In this case, wa...

  • 1 kudos
KrzysztofPrzyso
by New Contributor III
  • 14193 Views
  • 2 replies
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Shared job clusters on Azure Data Factory ADF

Hi Databricks Community,If only possible I would like to use Shared Jobs Cluster on external orchestrator like Azure Data Factory (ADF) or Synapse Workspace.The main reasons for using Shared Job cluster are:reduction of start-up time (<1min vs 5 min ...

  • 14193 Views
  • 2 replies
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Latest Reply
KrzysztofPrzyso
New Contributor III
  • 0 kudos

Hi Sai Kumar,Many thanks for your response.Unfortunately using analytical clusters is not really an option for for me due to cost differences between job clusters and analytical clusters.Job cluster also offer assurance that the latest deployed versi...

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prasad95
by New Contributor III
  • 12998 Views
  • 3 replies
  • 1 kudos
Data Engineering
Delta Lake
  • 12998 Views
  • 3 replies
  • 1 kudos
Latest Reply
saikumar246
Databricks Employee
  • 1 kudos

Hi, @prasad95 Thank you for sharing your concern here.  In addition to the @Retired_mod comments you can follow below To capture Change Data (CDC) from DynamoDB Streams and write it into a Delta table in Databricks: 1. Connect to DynamoDB Streams and...

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