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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

rikkyvai
by New Contributor II
  • 277 Views
  • 0 replies
  • 1 kudos

from_utc_timestamp silently double-shifts time when session timezone isn't UTC — docs should call th

Summary:from_utc_timestamp(current_timestamp(), '<tz>') produces an incorrect (future-shifted) timestamp whenever the Spark session timezone is already set to something other than UTC. This is a very common pattern for teams stamping dp_load_ts/creat...

  • 277 Views
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ChiaMingHu
by New Contributor II
  • 677 Views
  • 1 replies
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Resolved! Lakebase CDF — destination Delta table not created after successful UI setup (Free Edition)

 Summary:We configured Lakebase CDF to stream changes from a native Postgres table (public.query_logs) into Unity Catalog, but the destination Delta table never appears despite completing all documented prerequisites.Steps taken1. Created query_logs ...

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  • 677 Views
  • 1 replies
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Latest Reply
AbhilashNagilla
Databricks Employee
  • 1 kudos

Most likely this is a Free Edition storage limitation rather than a bug, and your Postgres-side setup sounds correct. Lakebase CDF writes its destination as a Unity Catalog managed Delta table, and the Lakebase CDF docs list catalogs backed by defaul...

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Klusener
by Contributor
  • 15691 Views
  • 7 replies
  • 2 kudos

Relevance of off heap memory and usage

I was referring to the doc - https://kb.databricks.com/clusters/spark-executor-memory.In general total off heap memory is  =  spark.executor.memoryOverhead + spark.offHeap.size.  The off-heap mode is controlled by the properties spark.memory.offHeap....

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  • 7 replies
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Latest Reply
gm-dev
New Contributor II
  • 2 kudos

this is helpful

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6 More Replies
yit337
by Contributor
  • 1506 Views
  • 4 replies
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Is it required to run Lakeflow Connect on Serverless?

As the subject states, my question is:Is it required to run the Ingestion Pipeline in Lakeflow Connect on Serverless compute? Cause I try to define my own cluster in the DAB, but it raises an error:`Error: cannot create pipeline: You cannot provide c...

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  • 4 replies
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Latest Reply
saurabh18cs
Honored Contributor III
  • 3 kudos

Yes — Lakeflow Connect ingestion pipelines always run on Serverless compute. Databricks overrides your compute config and switches back to serverless,because the ingestion connector requires it.     

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freddyT
by New Contributor III
  • 2239 Views
  • 7 replies
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Resolved! DBR 17.3 – sporadic import failures from bundle

Hi all,Since two days ago we've been getting sporadic Python import failures on DBR 17.3, with no change on our side. The errors are either "cannot import name ..." or "no module named ...", and they come and go: the same code fails on one run and pa...

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Latest Reply
freddyT
New Contributor III
  • 2 kudos

Thank you for your reply, we have already filed a support ticket. We might look into packaging our code as wheel if there is no other way.

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thackman
by Databricks Partner
  • 2828 Views
  • 6 replies
  • 5 kudos

Resolved! Intermittent failure with Python IMPORTS statements after upgrading to DBR18.0

We have a python module (WidgetUtil.py) that sits in the same folder as our notebook. For the past few years we have been using a simple import statement to use it. Starting with DBR18.0 the imports fails intermittently (25% of the time) when running...

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  • 2828 Views
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Latest Reply
pjvi
New Contributor II
  • 5 kudos

Hi, are you aware if this is also affecting Databricks Free Edition environment v5 ? I think I am having the same issue.Thanks.

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Anish_2
by New Contributor III
  • 401 Views
  • 1 replies
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Intialization stage is taking time in lakehouse pipeline

Hello Team,My intialization stage in lakehouse pipeline is taking 5-6 mins. When i checked event log table,below are statsMessage Reported flow time metrics for flowName: 'pipelines.flowTimeMetrics.missingFlowName'. is repeatedly coming for 4-5 mins....

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Data Engineering
lakehouse pipelines
  • 401 Views
  • 1 replies
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Latest Reply
Ashwin_DSA
Databricks Employee
  • 0 kudos

Hi @Anish_2, The message... Reported flow time metrics for flowName: 'pipelines.flowTimeMetrics.missingFlowName'..is usually not enough on its own to identify the root cause. I would treat it as a metrics/observability signal rather than the primary ...

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Eibraao
by New Contributor II
  • 2849 Views
  • 8 replies
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Disable the dashboard sharing field for dashboard creators

"How can I disable the dashboard sharing field for dashboard creators who are not admins? I tried changing the creator’s permission from 'CAN_MANAGE' to 'CAN_READ', but it had no effect — the creator still retains the 'CAN_MANAGE' permission

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Latest Reply
iyashk-DB
Databricks Employee
  • 0 kudos

Hey, that thread's already got the core answer right: there's no setting to strip CAN_MANAGE from a dashboard creator, and you already found that out the hard way when the API downgrade to CAN_READ had no effect. That's expected, Databricks docs conf...

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habs
by New Contributor II
  • 926 Views
  • 1 replies
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Resolved! Delta Table in DLT pipeline

Hi all, Is it possible to create a Delta table using DLT pipeline. I'm able to create a Delta table using Job and also able to create Materialized view and Streaming table using DLT pipleines. But I want to create Delta table using DLT pipelines. Is ...

  • 926 Views
  • 1 replies
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Latest Reply
iyashk-DB
Databricks Employee
  • 1 kudos

Hi, yes, both streaming tables and materialized views in a DLT pipeline (now called Lakeflow Declarative Pipelines) are Delta tables under the hood. There isn't a separate "plain Delta table" object type inside a pipeline, streaming tables and materi...

  • 1 kudos
rpshgupta
by New Contributor III
  • 7082 Views
  • 12 replies
  • 5 kudos

How to find the source code for the data engineering learning path?

Hi Everyone,I am taking data engineering learning path in customer-academy.databricks.com . I am not able to find any source code attached to the course. Can you please help me to find it so that I can try hands on as well ?ThanksRupesh

  • 7082 Views
  • 12 replies
  • 5 kudos
Latest Reply
MananChoudhary
New Contributor II
  • 5 kudos

The last module in "Get started with data engineering" learning path is wrong.Please find the screenshot attached. In the video the file used was different that the one present in resource section. Also i think in the video they were using file renam...

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tasa
by New Contributor
  • 493 Views
  • 2 replies
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lakeflow connect postgres sql

Hi can anyone tell me how to enable tc LakeFlow Connect for Direct Cdc Managed Ingestion Pipeline. it shows that this mode is not available for this workspace for the selected connector.

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Latest Reply
Ashwin_DSA
Databricks Employee
  • 0 kudos

Hi @tasa,   Just responded to your other post on the same topic. It looks like your workspace is not currently enabled for Direct CDC/integrated CDC for that connector. In Databricks, this commonly surfaces as the DIRECT_CDC_NOT_ENABLED valid...

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tasa
by New Contributor
  • 479 Views
  • 2 replies
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lakeflow connect postgres sql in uae north

Hi can anyone tell me how to enable tc LakeFlow Connect for Direct Cdc Managed Ingestion Pipeline. it shows that this mode is not available for this workspace for the selected connector.

  • 479 Views
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Latest Reply
Ashwin_DSA
Databricks Employee
  • 0 kudos

Hi @tasa, It looks like your workspace is not currently enabled for Direct CDC/integrated CDC for that connector. In Databricks, this commonly surfaces as the DIRECT_CDC_NOT_ENABLED validation error, which means the feature is not enabled for the org...

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Rameshw
by New Contributor
  • 361 Views
  • 1 replies
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Header Alignment in databricks dashboard

Hi Expert,when global filter page is added then visual header alignement gets missedThoughts: The user is reporting a UI/layout issue with the Lakeview dashboard — when a global filter page is added, the visual header alignment gets misaligned. This ...

  • 361 Views
  • 1 replies
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Latest Reply
Ashwin_DSA
Databricks Employee
  • 0 kudos

Hi @Rameshw, As you have pointed out, what you’re seeing is expected behaviour when a filter is added above an existing grid layout. Widgets on the canvas retain their existing positions, so adding a new row at the top does not automatically reflow t...

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aditi_mokashi
by New Contributor
  • 559 Views
  • 2 replies
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Urgent: Installing Lakebridge on Databricks

Hi,I want to install Databricks Lakebridge on my Databricks environment and use the analyze and transpile commands through a python script.The usecase is that we need to create an automated pipeline that will migrate the existing scripts from snowfla...

  • 559 Views
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Latest Reply
iyashk-DB
Databricks Employee
  • 0 kudos

Hi, the error you're seeing is consistent with the execution environment rather than with Lakebridge itself. Lakebridge is a Databricks CLI Labs extension (databricks labs install lakebridge) designed to run wherever the Databricks CLI is installed—y...

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