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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

Sujitha
by Databricks Employee
  • 1105 Views
  • 1 replies
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Weekly Release Notes Recap Here’s a quick recap of the latest release notes updates from the past one week. Databricks platform release notesJanuary 1...

Weekly Release Notes RecapHere’s a quick recap of the latest release notes updates from the past one week.Databricks platform release notesJanuary 13 - 19, 2023Cluster policies now support limiting the max number of clusters per userYou can now use c...

  • 1105 Views
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Aviral-Bhardwaj
Esteemed Contributor III
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thanks for the details

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rubenteixeira
by New Contributor III
  • 5766 Views
  • 3 replies
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Permission denied: Lightning Logs

I'm doing parameter tuning for a NeuralProphet model (you can see in the image the parameters and code for training)When I try to parallelize the training, it gives me Permission Error.Why can't I access the folder '/databricks/spark/work/*'? Do I ne...

altri1 MicrosoftTeams-image
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  • 3 replies
  • 1 kudos
Latest Reply
Debayan
Databricks Employee
  • 1 kudos

Hi, Could you please check on cluster-level permissions and let us know if it helps? Please refer: https://docs.databricks.com/security/access-control/cluster-acl.html#cluster-level-permissions

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mhansinger
by New Contributor II
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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...

  • 2474 Views
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Cami
Contributor III
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What kind of runtime machine (version) do you use to run this code?

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CK
by New Contributor II
  • 1808 Views
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I need to access the json file in the github repo from the databricks notebookI have a repo integrated with Databricks workspace.  When I run %sh pwd ...

I need to access the json file in the github repo from the databricks notebookI have a repo integrated with Databricks workspace. When I run %sh pwd it returns this path /Workspace/Repos/chris@myemail/Repo/folder/test.json. I'm not able to access the...

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CK
New Contributor II
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It works! Thank you, SRK!

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Vicky1215
by New Contributor II
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Solution for - "PythonException: 'ModuleNotFoundError: No module named 'spacy'

I am actually trying to extract the adjective and noun phrases from the text column in spark data frame for which I've written the udf and applying on cleaned text column. However, I am getting this error.from pyspark.sql.functions import udffrom pys...

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Aviral-Bhardwaj
Esteemed Contributor III
  • 2 kudos

only init script will work here

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KVNARK
by Honored Contributor II
  • 1467 Views
  • 2 replies
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Implementation of best practices in authorization to a service application

we are working on authentication mechanism for our model service application using python framework fastAPI deployed on azure cloud, Need help on end to end auth mechanism(either through inbuild mechanism in python like jwt etc., or with azure).kindl...

  • 1467 Views
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Latest Reply
Debayan
Databricks Employee
  • 4 kudos

Could you please explain it a little more?For authentication, please refer: https://learn.microsoft.com/en-us/azure/databricks/dev-tools/api/latest/authenticationhttps://learn.microsoft.com/en-us/azure/databricks/security/security-overview-azure#--au...

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Mrinmoy207
by New Contributor II
  • 2081 Views
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Number of epochs/epoch loss widget not visible while training the model

I am training a N-BEATS forecasting model using darts library. After I define all my hyper parameters and execute the code to fit my model and have set the ''verbose'' parameter to true according to the documentation to show the progress of the train...

fit() image image
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LandanG
Databricks Employee
  • 2 kudos

Hi @Mrinmoy Gupta​, what happens when you detach the notebook from the cluster (and optionally clear the state) and then rerun the code? I've seen this happen once and it was a solved by re-running the code

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g96g
by New Contributor III
  • 2593 Views
  • 1 replies
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Permission errors.

I have some permission erros when I want to modify some sql queries in SQL module. We are two colleauge working on one project so we build da data model. Sometimes we need to correct each other and access the SQL code but unfortunelty we dont have a...

image
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Latest Reply
Aviral-Bhardwaj
Esteemed Contributor III
  • 1 kudos

you not worry here , give permission as a viewer only , or else they will use your creds there This doc will be helpful - https://docs.databricks.com/security/access-control/query-acl.htmlThanksAviral Bhardwaj

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Ela
by New Contributor III
  • 11298 Views
  • 8 replies
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Resolved! Inheritance model in Unity Catalog is not working as per documentation.

As per the documentation "Securable objects in Unity Catalog are hierarchical and privileges are inherited downward. The highest level object that privileges are inherited from is the catalog". Executed following statement "GRANT SELECT ON CATALOG uc...

  • 11298 Views
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Latest Reply
Debayan
Databricks Employee
  • 0 kudos

Hi, Both permissions have to be granted.

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espenol
by New Contributor III
  • 1604 Views
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Why is mounting storage no longer considered best practice?

As the title describes. I think it's really nice to work with mounted storage, but I've typically had an IaC team take care of setting it up. Now I'm not that lucky. Why is it no longer best practice? Security reasons?

  • 1604 Views
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xiangzhu
Contributor III
  • 0 kudos

I think so, mount is like a local storage, other users in the same workspace will have the access to any mounted storage too.Access Azure Data Lake Storage Gen2 and Blob Storage | Databricks on AWS

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jsu999
by New Contributor II
  • 5329 Views
  • 4 replies
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How to fix "WARNING mlflow.utils.environment" when run mlflow in Databricks?

I'm running the following python code from one of the databricks training materials. import mlflow import mlflow.spark from pyspark.ml.regression import LinearRegression from pyspark.ml.feature import VectorAssembler from pyspark.ml import Pipeline f...

  • 5329 Views
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Fed
New Contributor III
  • 0 kudos

I've encountered the same warning when running this notebook from DA.https://github.com/databricks-academy/scalable-machine-learning-with-apache-spark-english/blob/published/ML%2002%20-%20Linear%20Regression%20I.pyI've managed to get rid of that war...

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Rajib_Kumar_De
by New Contributor II
  • 2482 Views
  • 3 replies
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Databricks AutoML (Forecasting) Python SDK for Model Serving

I am using Databricks AutoML ( Python SDK) to forecast bed occupancy. (Actually, Databricks used MLflow experiments for AutoML run). After training with different iterations, I registered the best model in the Databricks Model registry. Now I am tryi...

  • 2482 Views
  • 3 replies
  • 3 kudos
Latest Reply
Debayan
Databricks Employee
  • 3 kudos

Hi, It can be a bug if the python version is 3.9.5 and still the error is on compatibility. Could you please raise a support case to look into it further?

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llvu
by New Contributor III
  • 3351 Views
  • 3 replies
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How to solve cluster break down due to GC when training a pyspark.ml Random Forest

I am trying to train and optimize a random forest. At first the cluster handles the garbage collection fine, but after a couple of hours the cluster breaks down as Garbage Collection has gone up significantly.The train_df has a size of 6,365,018 reco...

  • 3351 Views
  • 3 replies
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Latest Reply
Hubert-Dudek
Esteemed Contributor III
  • 2 kudos

The cache is expensive and wants to save that data to memory and disk (id there is no more space left in memory). I know that, in theory, it should improve, but it can make things worse. I would just putscaled_train_data = pipeline_data.transform(tra...

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820409
by New Contributor II
  • 1319 Views
  • 2 replies
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Resolved! Can i change the Managed Mlflow to work with a postgresql server?

We are using the managed mlflow, but we want to access the metadata of the models and show it in another application. There is already a server that I can query?Can I re-create/configure the databricks workspace to make the managed mlflow use a post...

  • 1319 Views
  • 2 replies
  • 3 kudos
Latest Reply
Hubert-Dudek
Esteemed Contributor III
  • 3 kudos

Ideas which I have is:periodically export/import mlflow models and experiments https://github.com/mlflow/mlflow-export-import#why-use-mlflow-export-importget metadata through API https://docs.databricks.com/dev-tools/api/latest/mlflow.html#operation/...

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pvm26042000
by New Contributor III
  • 1060 Views
  • 1 replies
  • 2 kudos

MLflow

How determine exact date & time that an MLflow run was executed? Thank you so much!@

  • 1060 Views
  • 1 replies
  • 2 kudos
Latest Reply
Debayan
Databricks Employee
  • 2 kudos

Hi, you can view the job run. please refer: https://docs.databricks.com/mlflow/projects.html#step-3-view-the-databricks-job-run

  • 2 kudos

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