- 22310 Views
- 8 replies
- 4 kudos
Resolved! Difference between Liquid clustering and Z-ordering
I am trying to understand the difference between Liquid clustering and z-ordering. As per my understanding, both stores the clustered information into ZCubes which is of size 100 GB.Liquid Clustering maintains ZCube id in transaction log so when opti...
- 22310 Views
- 8 replies
- 4 kudos
- 4 kudos
I have built a decision tree on how to think about it https://www.canadiandataguy.com/p/optimizing-delta-lake-tables-liquid?triedRedirect=true
- 4 kudos
- 6516 Views
- 3 replies
- 2 kudos
Resolved! Unable to Access Unity Catalog from Cluster in Azure Databricks while Serverless Works
I can't access tables and volumes from the Unity Catalog using a cluster in Azure Databricks, although it works with serverless. Why is this the case?※As for the cluster, the summary displayed the "UnityCatalog" UC badge, and the access mode (data_se...
- 6516 Views
- 3 replies
- 2 kudos
- 4259 Views
- 9 replies
- 4 kudos
workflow/lakeflow -why does it not capture all the metadata of the jobs/tasks
Hi, I see with unity catalog we have the workflow and now the lakeflow schema. I guess the intention is to capture audit logs of changes/ monitor runs but I wonder why we don't have all the metadata info on the jobs /tasks too for a given job =...
- 4259 Views
- 9 replies
- 4 kudos
- 4215 Views
- 3 replies
- 1 kudos
External Table refresh
Hi,I have a blob storage area in Azure where json files are being created. I can create an external table on the storage blob container, but when new files are added I don't see extra rows to query the data. Is there a better approach to accessing th...
- 4215 Views
- 3 replies
- 1 kudos
- 1 kudos
Hi @turagittech,The above error indicates that your table seems to be in DELTA format. Please check the table creation statement, if the table format is JSON or DELTA.PS: By default, if you are not specifying any format while creating the table on to...
- 1 kudos
- 2118 Views
- 2 replies
- 0 kudos
Resolved! DLT pipeline task with full refresh once in a while
Hi all, I'm using Databricks workflow with some dlt pipeline tasks. These tasks requires a full refresh at some times due to schema changes in the source. I've been doing the full refresh manually or set the full refresh option in the job settings, t...
- 2118 Views
- 2 replies
- 0 kudos
- 0 kudos
Hi,Did you check a possibility to use if/else task? You could define some scriteria and pass it from a notebok that will check if it's time for full refresh or just resfres.
- 0 kudos
- 2785 Views
- 4 replies
- 0 kudos
Delta Live Table SCD2 performance issue
Hi Community,I am working on ingestion pipelines that take data from Parquet files (200 MB per day) and integrate them into my Lakehouse. This data is used to create an SCD Type 2 using apply_changes, with the row ID as the key and the file date as t...
- 2785 Views
- 4 replies
- 0 kudos
- 0 kudos
hi @scorpusfx1 What kind of source data do you have? Are these parquet files daily full snapshots of source tables? If so, you should use apply_changes_from_snapshot, which is exactly built for this use case. https://docs.databricks.com/aws/en/dlt/py...
- 0 kudos
- 9589 Views
- 4 replies
- 1 kudos
Connection reset by peer logging when importing custom package
Hi! I'm trying to import a custom package I published to Azure Artifacts, but I keep seeing the INFO logging below, which I don't want to display. The package was installed correctly on the cluster, and it imports successfully, but the log still appe...
- 9589 Views
- 4 replies
- 1 kudos
- 1 kudos
What solved this problem for me is to remove the root logger configuration from the logging config and create another one within the loggers section. See below.{ 'version': 1, 'disable_existing_loggers': False, 'formatters': { 'simple...
- 1 kudos
- 2299 Views
- 5 replies
- 1 kudos
SQL is not enabled
Hi All,I have registered on Databricks successfully. However, SQL is not enabled.Please help me how to activate SQL.Thank you very much,
- 2299 Views
- 5 replies
- 1 kudos
- 4651 Views
- 2 replies
- 0 kudos
Resolved! Fatctors deciding to choose between zorder, partitioning and liquid clustering
What are the factors on which we should choose the optimization approach
- 4651 Views
- 2 replies
- 0 kudos
- 0 kudos
I have built a decision tree on how to think about it https://www.canadiandataguy.com/p/optimizing-delta-lake-tables-liquid?triedRedirect=true
- 0 kudos
- 16577 Views
- 2 replies
- 1 kudos
Resolved! Liquid clustering vs partitioning
Hi,Is liquid clustering a replacement to partitioning?should we use still partitioning when we use liquid clustering?Can we use liquid clustering for all cases and ignore partitioning?
- 16577 Views
- 2 replies
- 1 kudos
- 1 kudos
I have built a decision tree on how to think about it https://www.canadiandataguy.com/p/optimizing-delta-lake-tables-liquid?triedRedirect=true
- 1 kudos
- 3982 Views
- 4 replies
- 2 kudos
Resolved! Databricks File Trigger Limit
For Databricks File Trigger below limitation is mentioned.A storage location configured for a file arrival trigger can contain only up to 10,000 files. Locations with more files cannot be monitored for new file arrivals. If the configured storage loc...
- 3982 Views
- 4 replies
- 2 kudos
- 2 kudos
Your approach to managing the number of BLOBs in your Azure BLOB storage by moving older files to an archive directory is reasonable and can help ensure you do not exceed the 10,000 file limit in the monitored directories. This method will help keep ...
- 2 kudos
- 17509 Views
- 8 replies
- 6 kudos
Resolved! Making a connection to the tables in Dynamics app through the dataverse TDS endpoint
I wish to do some analysis on tables that are stored in dataverse in databricks. I know that PowerBi uses its Dataverse connector to fetch the data using a Dataverse's TDS endpoint. The tables that we import in PowerBi using this connector is nearly ...
- 17509 Views
- 8 replies
- 6 kudos
- 6 kudos
Did you manage to connect to dataverse from Databricks ?I am trying to do the same but no luck.,
- 6 kudos
- 13439 Views
- 6 replies
- 3 kudos
Best practice on how to create a configuration yaml files for each workspace environment based?
Hi Community,My team and I are working on refactoring our DAB repository, and we’re considering creating a configuration folder based on our environments—Dev, Staging, and Production workspaces.What would be a common and best practice for structuring...
- 13439 Views
- 6 replies
- 3 kudos
- 3 kudos
Hi @jeremy98 and all, I agree with @saurabh18cs . Having configuration files for each deployment target is a very convenient and manageable solution. Since I couldn't find a plain example showing the project structure, I created one here. https://git...
- 3 kudos
- 2961 Views
- 2 replies
- 1 kudos
Resolved! how to get schedule information about a job in databricks?
Hi community,I was reading the Databricks API documentation and I want to get information about one job if this is schedule with the status PAUSED or UNPAUSED. I was watching that there is this api call: https://docs.databricks.com/api/workspace/jobs...
- 2961 Views
- 2 replies
- 1 kudos
- 1 kudos
Hi @jeremy98 , It looks like the access token is incorrect or not valid. Can you please verify the following?1. Validate your access token - if you get 403 forbidden error, your access token is invalid.curl -X GET "https://<workspace_host>/api/2.2/jo...
- 1 kudos
- 3995 Views
- 3 replies
- 0 kudos
DLT full refresh and resets
When doing a full refresh in DLT, the ables seem to be in a reset/empty state until they're populated again. This can break downstream dependencies, if they try to use the data during pipeline execution.How to handle such case properly?
- 3995 Views
- 3 replies
- 0 kudos
- 0 kudos
Hello @antr! In DLT, a full refresh on a streaming table resets state processing and checkpoint data, potentially disrupting downstream processes that rely on it. To avoid this, use incremental updates (default) or append mode instead of full refresh...
- 0 kudos
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