- 29289 Views
- 16 replies
- 9 kudos
Resolved! Delta Live Tables: dynamic schema
Does anyone know if there's a way to specify an alternate Unity schema in a DLT workflow using the @Dlt.table syntax? In my case, I’m looping through folders in Azure datalake storage to ingest data. I’d like those folders to get created in different...
- 29289 Views
- 16 replies
- 9 kudos
- 9 kudos
if you add these settings in the pipeline JSON, the issue should get fixed:"pipelines.setMigrationHints" = "true""pipelines.enableDPMForExistingPipeline" = "true"I tried it on my side, and now it no longer throws the materialization error.
- 9 kudos
- 21258 Views
- 21 replies
- 16 kudos
Resolved! Was DBFS disabled from community edition?
HelloI'm trying to use the Upload data to DBFS... from Databricks community edition but it's disabled. I'm also trying to activate it using the path Settings>Advanced>Other but the option is not longer in the list. Is this a temporary or permanent mo...
- 21258 Views
- 21 replies
- 16 kudos
- 16 kudos
Noticed there a several questions/'workarounds' on this topic. I may have overlooked but again, has this feature been removed or is it currently integrated naturally? Appreciate the assistance, in advance.
- 16 kudos
- 909 Views
- 2 replies
- 1 kudos
Resolved! dashboard cost databricks - AWS instance
Hello guys, I hope your day going well ! I have some question about your dashboard cost publish on github databricks quick lab: this dashboard describe both the cost of databricks and AWS instance EC2 or just databricks cost ? Thanx
- 909 Views
- 2 replies
- 1 kudos
- 1 kudos
@seefoods, also worth noting that you might not be able to see the system tables without a metastore admin granting the appropriate access. That was something I learned in Azure : https://docs.databricks.com/aws/en/admin/ All the best,BS
- 1 kudos
- 2101 Views
- 1 replies
- 3 kudos
Move/Merge Catalogs
HiWe have a couple of unity catalogs. In each are schema's, some used, some old, same named temp_data etc. etc Within those schema are tables with the same erratic approach. The result of a couple of years of bad housekeeping. (who not experienced th...
- 2101 Views
- 1 replies
- 3 kudos
- 3 kudos
For moving tables and entire schemas consider looking at the "SYNC" command. The SYNC Command - Your Primary Migration Tool Databricks provides a SYNC command specifically designed for this exact use case - migrating tables from one location to ano...
- 3 kudos
- 1009 Views
- 3 replies
- 2 kudos
Permission issue for pandas to read local files
I can use pandas to read local files in a notebook, such as those located in tmp.However, when I run two consecutive notebooks within the same job and read files with pandas in both, I encounter a permission error in the second notebook stating that ...
- 1009 Views
- 3 replies
- 2 kudos
- 2 kudos
@liu is there anything preventing you from moving this file into a Volume on the Unity Catalog & then reading it from there?Based on your original message, the "permission" message is making me feel like it's having an issue with opening the file; pe...
- 2 kudos
- 1117 Views
- 1 replies
- 0 kudos
unable to create table on external location
Currently trying to connect a table on external location and it fails with error -[UNAUTHORIZED_ACCESS] Unauthorized access: PERMISSION_DENIED: request not authorized SQLSTATE: 42501which seems like a pretty straight forward error but unable to find ...
- 1117 Views
- 1 replies
- 0 kudos
- 0 kudos
Hello @PratikRudra Thank you for sharing the error: I think probably there is a component that is missing. Writing table metadata (for example, to the _delta_log directory) requires the CREATE EXTERNAL TABLE capability on the external location; this ...
- 0 kudos
- 1914 Views
- 7 replies
- 7 kudos
Resolved! MATERIALZIED VIEW TRIGGER ON UPDATE with external table as upstream table
goal: implement event driven architecture without trigger on file arrivalI would like to know whether materialzied view can update itself when its source table which is external table updated.given that the source external table referencing data in d...
- 1914 Views
- 7 replies
- 7 kudos
- 7 kudos
it seems that my idea is a bad idea because it seems that materialzied view doesn't support incremental udpate for external locationIncremental refresh for materialized views - Azure Databricks | Microsoft Learn
- 7 kudos
- 670 Views
- 1 replies
- 0 kudos
Changing paths to tables
HiMy organization has many notebooks that reference tables in schemas with the three part pathcatalog.schema.tablenameWith a lack of foresight we hardcoded all of these paths in the code and now the inevitable is happening and there is a need to rest...
- 670 Views
- 1 replies
- 0 kudos
- 0 kudos
Hi @IONA ,Definitely, I would say that’s even a common practice. Create a feature branch and make the necessary changes there. But once a day, merge into that feature branch all the changes that have appeared on your main branch. That way, you will a...
- 0 kudos
- 2807 Views
- 10 replies
- 4 kudos
Resolved! Intermittent failures with auto loader on Azure
We've been using auto loader to ingest data from a storage account on Azure (format "cloudFiles").Today, we're starting to see failures during the setup of event notification:25/09/11 19:06:28 ERROR MicroBatchExecution: Non-interrupted exception thro...
- 2807 Views
- 10 replies
- 4 kudos
- 4 kudos
Hello @Malthe @Saska @MehdiJafariWhen it was showing such error, did you try any alternative methods like using databricks service credentials. For example stream = spark.readStream.format("cloudFiles") .option("cloudFiles.format", "json") .option...
- 4 kudos
- 1722 Views
- 1 replies
- 3 kudos
Resolved! Simulating Real Time Streaming in Databricks free edition
Use Case:Kafka real time steaming network telemetry logsIn a real use case approx. 40 TB of data can be real time streamed in a dayArchitecture:issue encountered: when i try to simulate kakfa like streaming in databricks itself , as this is a free e...
- 1722 Views
- 1 replies
- 3 kudos
- 3 kudos
Hi @ManojkMohan ,Unfortunately there is no workaround here. Free Edition supports only serverless compute. And serverless has following streaming limitation - one of which you just encountered - there is no support for default or time-based trigger i...
- 3 kudos
- 1577 Views
- 4 replies
- 4 kudos
Resolved! Problems with cluster shutdown in DLT
[Issue] DLT finishes processing, but cluster remains active due to log write errorHi everyone, I'm running into a problem with my DLT pipeline and was hoping someone here could help or has experienced something similar.Problem DescriptionThe pipeline...
- 1577 Views
- 4 replies
- 4 kudos
- 4 kudos
Can you please try one more option. If you’re on Preview, move to Current (or vice versa). Sometimes the regression only exists in one channel.
- 4 kudos
- 810 Views
- 1 replies
- 0 kudos
Decoupling power bi reports from schemas
HiI'm sure many of you have power bi reports that use the native Databricks connector to pull data from a schema to fuel a wonderful dashboard. If the source schemes was moved to a different catalog or a table renamed then the pbi connection would be...
- 810 Views
- 1 replies
- 0 kudos
- 0 kudos
Hi @IONA ,You can parametrize your data source using power query parameters. Just define parameter for catalog, schema etc. I have such setup in one of the project. We parametrized our PBI semantic models and when we are deploying semantic model to a...
- 0 kudos
- 2856 Views
- 7 replies
- 4 kudos
- 2856 Views
- 7 replies
- 4 kudos
- 4 kudos
Did anyone know when we will be going to receive the partner tech summit badge?
- 4 kudos
- 1185 Views
- 3 replies
- 6 kudos
Resolved! Issue with Auto Liquid clustering
I have written data to a table using clusterByAuto set to trueBut the clustering keys are not selected automatically when i do a desc detail on the table.Screenshot belowWhy are clustering columns not being selected automatically?Repro steps:Create ...
- 1185 Views
- 3 replies
- 6 kudos
- 6 kudos
Hi @RevanthV ,As @K_Anudeep correctly suggested it could be the case that your table is to small to benefit from liquid clustering.Another possibility it that you're using runtime lower than 15.4 LTS.
- 6 kudos
- 696 Views
- 1 replies
- 2 kudos
- 696 Views
- 1 replies
- 2 kudos
- 2 kudos
Hello @Soumenkumar ,I believe OGG has a Databricks target that stages to cloud storage (ADLS on S3) and then runs MERGE into Delta tables. This is designed for UC and documented in the official Oracle Docs.In Unity Catalog, create a storage credentia...
- 2 kudos
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