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Machine Learning
Dive into the world of machine learning on the Databricks platform. Explore discussions on algorithms, model training, deployment, and more. Connect with ML enthusiasts and experts.
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Forum Posts

animadurkar
by New Contributor III
  • 5935 Views
  • 2 replies
  • 2 kudos

Resolved! Invalid catalog and schema for table name error when creating a Feature Store

I've created a dataset that I want to create a feature store table for. I created a database in my dev unity catalog to store the feature tables, but each time I try to create the table I get this error:ValueError: Invalid catalog 'dev' or schema 'fe...

  • 5935 Views
  • 2 replies
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Latest Reply
Oogh5zai1
New Contributor II
  • 2 kudos

Hello,The error message suggests that there might be an issue with the catalog or schema name you are using when trying to create the feature store table. Here are a few tips to help you troubleshoot this problem:Verify the catalog and schema names: ...

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thomasm
by New Contributor II
  • 4363 Views
  • 3 replies
  • 1 kudos

Resolved! Online Feature Store MLflow serving problem

When I try to serve a model stored with FeatureStoreClient().log_model using the feature-store-online-example-cosmosdb tutorial Notebook, I get errors suggesting that the primary key schema is not configured properly. However, if I look in the Featur...

  • 4363 Views
  • 3 replies
  • 1 kudos
Latest Reply
NandiniN
Databricks Employee
  • 1 kudos

Hello @Thomas Michielsen​ , this error seems to occur when you may have created the table yourself. You must use publish_table() to create the table in the online store. Do not manually create a database or container inside Cosmos DB. publish_table()...

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Saeid_H
by Contributor
  • 13095 Views
  • 7 replies
  • 8 kudos

What are the practical advantage of Feature Store compared to Delta Lake?

Could someone explain the practical advantages of using a feature store vs. Delta Lake. apparently they both work in the same manner and the feature store does not provide additional value. However, based on the documentation on the databricks page, ...

  • 13095 Views
  • 7 replies
  • 8 kudos
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Anonymous
Not applicable
  • 8 kudos

Hi @Saeid Hedayati​ Thank you for posting your question in our community! We are happy to assist you.To help us provide you with the most accurate information, could you please take a moment to review the responses and select the one that best answer...

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Saeid_H
by Contributor
  • 5173 Views
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How to change the feature store delta table default path on DBFS?

Hi everyone,Would it be possible to change the default storage path of deature store, during creation and/or after creation? If you could also provide the python script to that I would appreciate. The current default path is:"dbfs/user/hive/warehouse...

  • 5173 Views
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Anonymous
Not applicable
  • 5 kudos

Hi @Saeid Hedayati​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us s...

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zachclem
by New Contributor III
  • 3775 Views
  • 2 replies
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Resolved! Logging model to MLflow using Feature Store API. Getting TypeError: join() argument must be str, bytes, or os.PathLike object, not 'dict'

I'm using databricks. Trying to log a model to MLflow using the Feature Store log_model function. but I have this error: TypeError: join() argument must be str, bytes, or os.PathLike object, not 'dict' I'am using the Databricks runtime ml (10.4 LTS M...

  • 3775 Views
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  • 1 kudos
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zachclem
New Contributor III
  • 1 kudos

I updated by Databricks Run Time from 10.4 to 12.1 and this solved the issue.

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youssefmrini
by Databricks Employee
  • 1107 Views
  • 1 replies
  • 1 kudos
  • 1107 Views
  • 1 replies
  • 1 kudos
Latest Reply
youssefmrini
Databricks Employee
  • 1 kudos

Yes You can. With Databricks Runtime 12.2 LTS ML and above, you can use existing feature tables in Feature Store to augment the original input dataset for all of your AutoML problems: classification, regression, and forecasting.This capability requi...

  • 1 kudos
Dhanunjay
by New Contributor II
  • 2136 Views
  • 3 replies
  • 3 kudos

Is it possible to access online feature store (Cosmos DB) outside databricks?

We are building an machine learning application with feature store enabled. Once the model is built, we are trying to move the model artifacts and deploy it in azure ml as online endpoint. Does it possible to access the online store in azure ml endpo...

  • 2136 Views
  • 3 replies
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Latest Reply
Hubert-Dudek
Esteemed Contributor III
  • 3 kudos

if you want databricks to use the feature store, which is in Cosmos DB, yes, it is possible https://learn.microsoft.com/en-us/azure/databricks/machine-learning/feature-store/online-feature-storessuppose you want to consume a future store in Databrick...

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mhansinger
by New Contributor II
  • 2488 Views
  • 3 replies
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Cannot write Feature Table because of invalid access token

From a notebook I created a new feature store via:%sql CREATE DATABASE IF NOT EXISTS feature_store_ebp;Within that feature store I fill my table with:feature_store_name = "feature_store_ebp.table_1" try: fs.write_table( name=feature_stor...

  • 2488 Views
  • 3 replies
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Cami
Contributor III
  • 2 kudos

What kind of runtime machine (version) do you use to run this code?

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VM
by Contributor
  • 12484 Views
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Resolved! Security exception while using Feature Store. How can I get this whitelisted?

I was following the Databricks Academy "New Capabilities Overview: Feature Store" module. However when I try to run the code in the example notebook I get a security exception as explained below. When I try to run the example notebook "01-Populate a ...

  • 12484 Views
  • 5 replies
  • 6 kudos
Latest Reply
OMG
New Contributor II
  • 6 kudos

Hi @Daniel Barrundia​ - please select "No isolation shared" Access mode, it should resolve this problem.

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lawrence009
by Contributor
  • 1431 Views
  • 2 replies
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Streaming Source for Feature Store (and outputMode)

To save computing resource and time, can I use streaming source in a batch mode (similar to Auto Loader) to update my feature store as my source table receives row update or is appended with new rows?

  • 1431 Views
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Meghala
Valued Contributor II
  • 3 kudos

yes you can schedule the job to process the data with auto loader

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GabrieleMuciacc
by New Contributor III
  • 9592 Views
  • 10 replies
  • 12 kudos

Resolved! Delete feature tables through the Python API

The documentation explains how to delete feature tables through the UI. Is it possible to do the same using the Python FeatureStoreClient? I cannot find anything in the docs: https://docs.databricks.com/_static/documents/feature-store-python-api-refe...

  • 9592 Views
  • 10 replies
  • 12 kudos
Latest Reply
User16788316720
New Contributor III
  • 12 kudos

from databricks import feature_store fs = feature_store.FeatureStoreClient() fs.drop_table(FEATURE_TABLE_NAME)As of Databricks Runtime 10.5 for ML. Docs

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isaac_gritz
by Databricks Employee
  • 2119 Views
  • 1 replies
  • 4 kudos

Databricks MLOps Best Practices

Where to find the best practices on MLOps on DatabricksWe recommend checking out the Big Book of MLOps for detailed guidance on MLOps best practices on Databricks including reference architectures.For a deep dive on the Databricks Feature store, we r...

  • 2119 Views
  • 1 replies
  • 4 kudos
Latest Reply
sher
Valued Contributor II
  • 4 kudos

you can check here https://docs.databricks.com/machine-learning/mlops/mlops-workflow.html

  • 4 kudos
rjwswenson
by New Contributor II
  • 4886 Views
  • 7 replies
  • 15 kudos

What programming frameworks and languages can be used with Databricks Feature Store

To leverage Databricks feature store, can only Python be utilized? If otherwise, what other language frameworks are supported. Below is my question in 2 partsPart 1) What languages can be utilized to write data frames as feature tables in the Feature...

  • 4886 Views
  • 7 replies
  • 15 kudos
Latest Reply
boyelana
Contributor III
  • 15 kudos

you can use any of these languages Python, SQL, Scala and R

  • 15 kudos
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ajeet1080
by New Contributor III
  • 2569 Views
  • 1 replies
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Resolved! Unable to create feature table using databricks API .FeatureStoreClient()

I am following example steps from databricks documentation https://docs.databricks.com/_static/notebooks/machine-learning/feature-store-taxi-example.htmlI am using Feature Store client v0.3.6 and above.However on trying to create feature table with f...

Screenshot 2022-11-29 at 2.10.43 PM pickup_features dataframe screenshot dropoff_features dataframe screenshot
  • 2569 Views
  • 1 replies
  • 2 kudos
Latest Reply
ajeet1080
New Contributor III
  • 2 kudos

After much digging, observed i was using standard runtime. Once i switched to ML runtime of databricks, issue was resolved. To use Feature Store capability, ensure that you select a Databricks Runtime ML version from the Databricks Runtime Version dr...

  • 2 kudos
NSRBX
by Contributor
  • 3190 Views
  • 2 replies
  • 4 kudos

Feature Store - Feature Lookup Engine with join on partial key and Filter

Hello ,I am working with lookupEngine functions. However, we have some feature tables with granularity level most detailled of dataframe input.Please find an example :table A with unique keys on two features : numero_p, numero_s So while performing F...

  • 3190 Views
  • 2 replies
  • 4 kudos
Latest Reply
Debayan
Databricks Employee
  • 4 kudos

Hi @SERET Nathalie​ , I can check internally on the ask here. In the meantime please let us know if this helps: https://docs.databricks.com/machine-learning/feature-store/feature-tables.htmlhttps://docs.databricks.com/machine-learning/feature-store/i...

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