I created simplistic DLT pipeline that create one table. When I delete the pipeline the tables is dropped as well. That's not really desired behavior. Since I remember there was a strong distinction between data (stored in tables) and processing (spa...
Hi All,Wondering if anyone else getting this problem:We trying to host krb5.conf and jaas.conf for our compute to be able to connect to Kerberised JDBC sources, we attempting to store these files in Catalog volumes, but at run time when initiating th...
Haven't been able to access volume path when using jdbc format.
HiI am new to databricks and i am trying to understand the use case of deta lakehouse. Is it good idea to build datawarehouse using deltalake architecture. Is it going to give same performance as that of RDBMS clouse datawarehous like snowflake? Whic...
Hi @Sas , One of the benefits of the Data Lakehouse architecture, is that it combines the best of both Data Warehouses and Data Lakes all on one unified platform to help you reduce costs and deliver on your data and AI initiatives faster. It brings t...
I have published a pypi package in a private Gitlab repository and I want to install it in my notebook but I don't know how and the documentation doesn't help me much either. I have created a Gitlab token that I use in the index url and I try to inst...
This problem was solved by removing the `python>=3.11` requirement.
Hi, I am trying to demonstrate the effectiveness of ZOrdering but to do this would like to remove the existing ZOrdering first. So my plan is:1. Remove existing ZOrdering2. Run a query and show the explain plan3. Add ZOrdering to column used for Joi...
@DaveLeach - you can try dropping the table and create it again instead of #1.
Hey team, we've noticed that schema changes to a table after creation aren't reflected in the "Columns" tab in the Data Explorer. For example, we added a column called signal_description to a table but its addition isn't reflected in the UI. Is this ...
@Tharun-Kumar Is this behavior the default behavior in case a schema change happens on a table registered in unity catalog?In that case I would have to run the repair command regularly in order to ensure that the schema displayed is actually the one ...
from pyspark.sql import functions as F from pyspark.sql import types as T from pyspark.sql import DataFrame, Column from pyspark.sql.types import Row import dlt S3_PATH = 's3://datalake-lab/xxxx/' S3_SCHEMA = 's3://datalake-lab/xxxx/schemas/' @dl...
I Have a while loop there i have to check a file exists or not if exists read the file in a data frame else go to another file
How to check if a file exists in DBFS?Let's write a Python function to check if the file exists or not-------------------------------------------------------------def file_exists(path): try: dbutils.fs.ls(path) return True except ...
At the moment, Azure Databricks has the feature to use AzureAD login for the workspace and create single user clusters with Azure Data Lake Storage credential passthrough. But this can only be used for Data Lake Storage.Is there already a way, or are...
I have exactly the same issue. I have the need to call a protected API within a notebook but have no access to the current user's access token. I've had to resort to nasty workarounds involving installing and running the Azure CLI from within the not...
I'm trying to extract the text data from image file in Databricks notebook I have installed below libraries using pip command: %pip install pytesseract tesseract pillow --upgradebut it didn't work and threw below error pytesseract.pytesseract.Tessera...
Hi @neha_ayodhya - can you please try the following via an init script to the Databricks cluster sudo apt-get update -y sudo apt-get install -y tesseract-ocr sudo apt-get install -y libtesseract-dev /databricks/python/bin/pip install pytesseract a...
Hi,I'm trying to purge a table of stale data. My databricks host is on cloud.databricks.com.I've set delta.deletedFileRetentionDuration=interval 7 days, deleted many (billions) rows, and followed up with VACUUM tablename RETAIN 168 HOURS, however my ...
Hi Bill - Based on the delta delete file retention period, the files will no longer be there after 7 days . Thanks, Shan
Hello!I'm using Databricks with Azure. On a daily basis, I check the status of numerous jobs through the Spark UI. At the moment, the Spark UI does not refresh by itself. I have to refresh the webpage to get the latest status. I wonder if there is a ...
No
How many tasks do you see in the Spark UI for the write operation?
Hello, I have been reading databricks Auto Loader documentation about cloudFiles.backfillInterval configuration, and have a question about a specific detail on how it works still. I was only able to find examples of it being set to 1 day or 1 week. ...
Hey @therealchainman The last backfill (lastBackfillFinishTimeMs) will be recorded as part of the checkpoint -> offset files, this helps the autoloader to know when the last backfill is triggered and to trigger the next periodic backfill.Hope this an...
I have a number of functions in a schema in a catalog in Unity Catalog, is there a coding way to be able to change the owner of the functions created without having to do it manually via the gui?
Check this notebook out, I assume you can change it a bit to do what you want. https://docs.databricks.com/en/_extras/notebooks/source/set-owners-notebook.htmlI assume you can loop through the rows in the resulting df (that has the ALTER statements),...
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