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Warehousing & Analytics
Engage in discussions on data warehousing, analytics, and BI solutions within the Databricks Community. Share insights, tips, and best practices for leveraging data for informed decision-making.
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Forum Posts

MadelynM
by Databricks Employee
  • 4056 Views
  • 0 replies
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[Recap] Data + AI Summit 2024 - Warehousing & Analytics | Improve performance and increase insights

Here's your Data + AI Summit 2024 - Warehousing & Analytics recap as you use intelligent data warehousing to improve performance and increase your organization’s productivity with analytics, dashboards and insights.  Keynote: Data Warehouse presente...

Screenshot 2024-07-03 at 10.15.26 AM.png
Warehousing & Analytics
AI BI Dashboards
AI BI Genie
Databricks SQL
  • 4056 Views
  • 0 replies
  • 0 kudos
Giktator
by New Contributor II
  • 2949 Views
  • 4 replies
  • 1 kudos

Error FAILED_READ_FILE.NO_HINT When Reading File from R2 Storage

 Hi there,I'm encountering the following error while attempting to read a file from R2 storage:[FAILED_READ_FILE.NO_HINT] Error while reading file r2:REDACTED_LOCAL_PART@user_id.r2.cloudflarestorage.com/data/20250128_160228_54805_wpkza_e38751cf-969e-...

  • 2949 Views
  • 4 replies
  • 1 kudos
Latest Reply
NandiniN
Databricks Employee
  • 1 kudos

But the error is from aws and seen when the payload size is incorrectly defined in the contentLength parameter. Caused by: com.amazonaws.SdkClientException: Data read has a different length than the expected: This sounds like a bug, Was this resolved...

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loic
by Contributor
  • 2687 Views
  • 2 replies
  • 1 kudos

Resolved! Databricks workspace default catalog not working anymore with JDBC driver

Hello,We recently detected an issue in our product deployment with terraform.At some point, we have some java code that creates a schema in "hive_metastore" catalog.Since "hive_metastore" catalog is the default one, there should not be any need to sp...

  • 2687 Views
  • 2 replies
  • 1 kudos
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loic
Contributor
  • 1 kudos

The exact error reported by Databricks is:[RequestId=f27975cd-7589-4463-8c03-6015893ee133 ErrorClass=INVALID_PARAMETER_VALUE] Invalid input: RPC CreateSchema Field managedcatalog.SchemaInfo.catalog_name: name "" is not a valid name 

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der
by Valued Contributor
  • 2133 Views
  • 4 replies
  • 7 kudos

Resolved! Dashboard choropleth map with geometry

We are currently building our dashboards in Apache Superset. With the Git integration in Databricks AI/BI Dashboards, the development process has improved a lot. So we are thinking about switch to Databricks AI/BI Dashboard.One pain point in Databric...

  • 2133 Views
  • 4 replies
  • 7 kudos
Latest Reply
NandiniN
Databricks Employee
  • 7 kudos

Closing the loop here: Update: The PMs are updated by me and are aware of the usecase and this request (it will help hasten priortization). Thanks! 

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leo-machado
by New Contributor III
  • 9450 Views
  • 10 replies
  • 5 kudos

(Big) Problem with SQL Warehouse Auto stop

Long story short, I'm not sure if this is an already known problem, but the Auto Stop feature on SQL Warehouses after minutes of inactivity is not working properly.We started using SQL Warehouses more aggressively this December when we scaled up one ...

image (2).png Screenshot 2025-01-02 at 10.31.27.png
  • 9450 Views
  • 10 replies
  • 5 kudos
Latest Reply
HNguyen
New Contributor II
  • 5 kudos

This is a good catch. Auto termination is something you tend to set and trust it will do the right thing .Wondering if the Databricks team managed to fix this, seeing it has been half a year since the problem was raised.This is also important for ou...

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yshah
by New Contributor II
  • 2304 Views
  • 3 replies
  • 2 kudos

Resolved! Behaviour of ANALYZE command varying when using different clusters and table types.

Certain tables have this configuration enabled, whereas others do not have it.Delta.checkpointPolicy=v2This is affecting the behavior of the ANALYZE commandIf flag is enabled : Table stats are not visible after doing the DESCRIBE command using SINGLE...

  • 2304 Views
  • 3 replies
  • 2 kudos
Latest Reply
Louis_Frolio
Databricks Employee
  • 2 kudos

Greetings @yshah , here are some helpful hints/tips/tricks to guide you. To access table column statistics when checkpoint V2 is enabled, you can follow these guidelines: Utilize Databricks Runtime 13.3 LTS or Higher: Ensure that you are using Datab...

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BillSundwall
by Databricks Partner
  • 4111 Views
  • 4 replies
  • 3 kudos

Resolved! Maps in AI/BI Dashboards?

Is there any official word as to when we can expect Chloropleth or Marker Map visuals in AI/BI Dashboards? I realize Legacy Dashboards are still supported, but it feels uncertain to build new ones with AI/BI Dashboards in GA.

  • 4111 Views
  • 4 replies
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Latest Reply
NandiniN
Databricks Employee
  • 3 kudos

Choropleth Maps - https://docs.databricks.com/aws/en/dashboards/visualizations/maps#choropleth-options

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Shivaprasad
by Contributor
  • 858 Views
  • 1 replies
  • 1 kudos

Commentary functionality through Databricks

In on-Prem we currently create dashboards which basically provides year over year or quarter over quarter comparison. When the variance is more than certain threshold for a particular data intersection business has the option to add comments, also so...

  • 858 Views
  • 1 replies
  • 1 kudos
Latest Reply
nayan_wylde
Esteemed Contributor II
  • 1 kudos

There is no inbuilt features to built-in “commentary workflow” like your Java app. But you can custom build one. Here are the steps to build one.1.  Use Databricks SQL Dashboards or Lakeview Dashboards for your YoY/QoQ variance analysis.2. Create a D...

  • 1 kudos
alexw4561
by New Contributor
  • 1107 Views
  • 3 replies
  • 2 kudos

For sql classic, does number of driver also increase when auto scaled up?

I know for spark clusters, the number of driver will remain the same and only the number of workers increases when auto scaling. But for sql classic warehouse I'm a bit confused, since it's scaling number of cluster not driver.

  • 1107 Views
  • 3 replies
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Latest Reply
nayan_wylde
Esteemed Contributor II
  • 2 kudos

SQL Classic Warehouses:Scaling is done by adding or removing entire clusters, not just workers.Each cluster has its own driver and set of workers.So when autoscaling happens, more clusters (each with a driver + workers) are added to handle concurrent...

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johnv
by Databricks Partner
  • 2749 Views
  • 2 replies
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Problem: Databricks Apps timeout when connecting to SQL Warehouses, but same connection works locall

Problem: Databricks Apps timeout when connecting to SQL Warehouses, but same connection works locally. First Databricks App I've attempted to create.  Symptoms:Local Streamlit app works fine with Databricks SQL connectorDeployed Databricks App hangs ...

  • 2749 Views
  • 2 replies
  • 2 kudos
Latest Reply
jamesl
Databricks Employee
  • 2 kudos

Hi @johnv,  Do you have any error messages you can share, or is it a silent connection timeout? I assume you confirmed that the SQL Warehouse had started up? (they can take several minutes to start up sometimes) If that's not the issue, you could al...

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genebaldorios
by New Contributor II
  • 2196 Views
  • 2 replies
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Resolved! custom calculation of percentage of total and cumulative percentage

Is there a way to calculate the percentage of total using the Databricks dashboard's custom calculations and also the cumulative percentage? What function would be equivalent to the DAX All and AllSelect functions, but using Databricks' aggregation f...

  • 2196 Views
  • 2 replies
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szymon_dybczak
Esteemed Contributor III
  • 0 kudos

Hi @genebaldorios ,I don't use databricks dashboards on my project (we are PBI shop), but I guess you need to use AGGREGATE OVER clause with cumulative frame: 

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Unimog
by New Contributor III
  • 1309 Views
  • 2 replies
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Resolved! Choropleth Maps Stopped Working

I have a Databricks Dashboard that contains several choropleth maps.  They all stopped working today.  I can see a background image, but no data is represented on them.  The dataset seems ok and the visualizations don't show any errors.  I don't see ...

  • 1309 Views
  • 2 replies
  • 1 kudos
Latest Reply
Advika
Community Manager
  • 1 kudos

Glad to hear you figured it out. Appreciate you updating the thread with the fix, @Unimog!

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ogs
by New Contributor II
  • 2533 Views
  • 3 replies
  • 2 kudos

Data selection from adls2 in Serverless Warehouse

Hi everyone,I'm trying to query data from our adls2 delta lake using a serverless sql warehouse. We've already set up private connectivity via NCC, but hitting a snag when running queries like:SELECT * FROM delta.`abfss://container@xxx.dfs.core.windo...

  • 2533 Views
  • 3 replies
  • 2 kudos
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ogs
New Contributor II
  • 2 kudos

Hi, thanks for the detailed explanation.Unfortunately, configuring fs.azure.account.key in the Serverless advanced options didn’t help (I’m sure I wrote it correctly) - still receiving the same error.I saw in some sources around the net that I should...

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singh_tushar_14
by Databricks Partner
  • 1844 Views
  • 4 replies
  • 1 kudos

Resolved! Datetime conversion on streaming tables

I am using streaming tables to read from multiple parquet files and create a table in my raw layer.Tech Stack -- dbt-databricksWhile loading I have a column called "ets" in my source which is nothing "milliseconds since Jan 1st 1970." I want this to ...

  • 1844 Views
  • 4 replies
  • 1 kudos
Latest Reply
szymon_dybczak
Esteemed Contributor III
  • 1 kudos

Hi @singh_tushar_14 ,Since your ets columns already contains integer that represents milliseconds since Jan 1st 1970, can't you just use Spark SQL fuction? You don't need to add anything to 1970-01-01, since that information is already "encoded" in y...

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lizou1
by New Contributor III
  • 2096 Views
  • 2 replies
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serverless compute: cannot find column index for attribute on complex view

 serverless compute:cannot find column index for attribute error We are seeing this error if there are a complex view, the same view runs fine in sql warehousebut break in serverlesss compute onlylooks like serverless compute has issue parse large co...

  • 2096 Views
  • 2 replies
  • 1 kudos
Latest Reply
lizou1
New Contributor III
  • 1 kudos

ok, I will test on latest version 4 and will let you know if any more issues, thanks

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JPan
by New Contributor III
  • 1925 Views
  • 4 replies
  • 5 kudos

Strange query error with 'trac%'

Hi All,I've encountered what seems like a very specific bug. For some reason, running a query with the following where clause results in an execution error.where lower(organization_name) like '%trac%'There's no execution error when trying "tra" and i...

  • 1925 Views
  • 4 replies
  • 5 kudos
Latest Reply
BS_THE_ANALYST
Databricks Partner
  • 5 kudos

@JPan I noticed you had the new SQL editor mode on in your video. For what it's worth, I flicked between both when testing and both were successful. Given that you're finding it's only happening on some fields, do you think this is to do with special...

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