- 1093 Views
- 1 replies
- 2 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...
- 1093 Views
- 1 replies
- 2 kudos
- 2 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...
- 2 kudos
- 656 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 ...
- 656 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
- 630 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 ...
- 630 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
- 1196 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...
- 1196 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
- 482 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...
- 482 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
- 2096 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...
- 2096 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
- 1039 Views
- 1 replies
- 2 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...
- 1039 Views
- 1 replies
- 2 kudos
- 2 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...
- 2 kudos
- 1145 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...
- 1145 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
- 493 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...
- 493 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
- 2408 Views
- 7 replies
- 4 kudos
- 2408 Views
- 7 replies
- 4 kudos
- 4 kudos
Did anyone know when we will be going to receive the partner tech summit badge?
- 4 kudos
- 747 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 ...
- 747 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
- 390 Views
- 1 replies
- 2 kudos
- 390 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
- 443 Views
- 1 replies
- 0 kudos
Cross region delta table creation in Azure
Hi Community.I have a usecase as below.1. I have a Azure Databricks [ADB] in NCUS which has Unity Catalog [UC] enabled using the NCUS region metastore.2. The ADLS Gen2 storage is in EUSI am trying to registers a existing delta table in UC and also cr...
- 443 Views
- 1 replies
- 0 kudos
- 0 kudos
Seems like an networking issue. In a notebook attached to the custom cluster, try dbutils.fs.ls("abfss://<container>@<account>.dfs.core.windows.net/<path>") to confirm reachability before running CREATE EXTERNAL TABLE. (If this hangs or errors, it’s ...
- 0 kudos
- 1164 Views
- 5 replies
- 4 kudos
Resolved! How to add webhook notification in DLT pipeline through yml
Hi team,I am trying to create a slack webhook notification in a DLT pipeline leveraging jobs.yml. targets: dev: # The default target uses 'mode: development' to create a development copy. # - Deployed resources get prefixed with '[dev my_user_...
- 1164 Views
- 5 replies
- 4 kudos
- 4 kudos
@szymon_dybczak , I gone through the Databricks docs.. I have added the webhook notifications in DLT pipeline. it works fine for me . # The job that triggers api_data_pipeline.resources: jobs: api_data_job: name: api_data_job schedule: ...
- 4 kudos
- 787 Views
- 4 replies
- 0 kudos
Azure not getting listed in create external location
Hi,I'm trying to create a pipeline using Azure, however, Azure is not getting listed in the drop down of Catalog Explorer -> Create External Location. I'm using community version for practice. Please advice.
- 787 Views
- 4 replies
- 0 kudos
- 0 kudos
@AanchalSoni Yes Databricks free edition have this limitation you cannot create customized external location It has only support for s3 now and that location is managed by databricks. Look at the limitations below.
- 0 kudos
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