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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

HappyScientist
by New Contributor
  • 2455 Views
  • 1 replies
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Received Fatal error: The Python kernel is unresponsive.

I am running a databricks job on a cluster and I keep running into the following issue (pasted below in bold) The job trains a machine learning model on a modestly sized dataset (~ half GB). Note that I use pandas dataframes for the data, sklearn for...

  • 2455 Views
  • 1 replies
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KumaranT
New Contributor III
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Hi @HappyScientist,Can you increase the memory size of your cluster and try again?

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c3
by New Contributor II
  • 1308 Views
  • 1 replies
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AutoML workflows will no longer run with job compute

We have a few workflows that have been running fine with job compute (runtime 14x).  They started failing on 6/3 with the following error: The cluster [xxx] is not an all-purpose cluster. existing_cluster_id only supports all-purpose cluster IDs. I w...

  • 1308 Views
  • 1 replies
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KumaranT
New Contributor III
  • 0 kudos

Hi @c3,We can see this Automl issue got fixed, can you check whether you are getting the same issue?

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abd
by Contributor
  • 1344 Views
  • 1 replies
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Error - Langchain to interact with a SQL database

I am using databricks community edition to use langchain on SQL database in databricks.I am following this link: Interact with SQL database - DatabricksBut I am facing issue on this line: db = SQLDatabase.from_databricks(catalog="samples", schema="ny...

Machine Learning
Connection
Database
langchain
sql
  • 1344 Views
  • 1 replies
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KumaranT
New Contributor III
  • 0 kudos

Hi @abd,Can you check upgrading the SQL driver?

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espartaco
by New Contributor
  • 1051 Views
  • 1 replies
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MLflow autolging is not registering my experiments

When training a any ML model in a Databricks notebook, after calling model.fit() and train the model, before the model was automatically saved, but now is giving me this error:WARNING mlflow.utils.autologging_utils: Encountered unexpected error durin...

  • 1051 Views
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KumaranT
New Contributor III
  • 0 kudos

Hi @espartaco,The error message shows that there's an issue with SSL certificate verification when trying to connect to the Azure storage endpointCheck network and firewall configurations: You need to ensure that the network and firewall configuratio...

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fh
by New Contributor
  • 854 Views
  • 2 replies
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Applyinpandas executed twice

Hi,I have a dataframe containing records (sales) over time for +- 1000 different items, so based on these records each item has its own timeseries. The goal is to make predictions for each of these items. Since the behaviour of these items is very di...

  • 854 Views
  • 2 replies
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KumaranT
New Contributor III
  • 0 kudos

Hi @fh ,To avoid this double execution, you can try using the concurrent.futures module in Python to parallelize the training of your models. This module provides a high-level interface for asynchronously executing callables.

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acdello
by New Contributor
  • 765 Views
  • 2 replies
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Databricks documentation for training a local LLM

Im in the process of training a chat-bot for my team to use to learn about databricks and relevant tools quickly. Is there a place that I can easily (and legally) grab learning material in PDF or text? 

  • 765 Views
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KumaranT
New Contributor III
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Hi @acdello,Could you check this doc if that helps in between?

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chagoo
by New Contributor
  • 528 Views
  • 1 replies
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error tu run btyd model

I run the model in april and ok but today I need run the model and I have error and it is not possible continue I change the penalizer_coef and nothing # fit a model with a larger penalizer coefficientbgf_engagement = BetaGeoFitter(penalizer_coef=100...

  • 528 Views
  • 1 replies
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Retired_mod
Esteemed Contributor III
  • 0 kudos

Hi @chagoo,To fix this, try lowering the penalizer coefficient, checking the data quality for anomalies, scaling the data, increasing the number of iterations, or experimenting with different initial parameters. These steps should help resolve the co...

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EijayK
by New Contributor
  • 1003 Views
  • 1 replies
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Debugging using vscode & databricks connect

Hi allI'm facing some difficulties when I use DataBricks Connect to debug my ML solution. A long story short, I want to investigate a few variables after I've conducted training. With the debugger at hand, I can simply place a breakpoint on the line ...

  • 1003 Views
  • 1 replies
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Retired_mod
Esteemed Contributor III
  • 0 kudos

Hi @EijayK, Ensure that the package is installed on the cluster itself, which you can verify through the cluster's library installation logs. Additionally, make sure your cluster meets all Databricks Connect requirements, including proper configurati...

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Kjetil
by Contributor
  • 831 Views
  • 2 replies
  • 2 kudos

Feature Store - lookback_window does not work with primary keys of "date" type

I just discovered what I believe is a bug in Feature Store. The expected value (of the "value" column) is 'NULL' but the actual value is "a". If I instead change the format to timestamp of the "date" column (i.e. removes the .date() in the generation...

  • 831 Views
  • 2 replies
  • 2 kudos
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Kjetil
Contributor
  • 2 kudos

Thank you for answering. Yes, that is also what I figured out. In other words the lookback_window argument only works when using timestamp format for the primary key. I cannot see that this behavior is described in the documentation.

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yorabhir
by New Contributor III
  • 5583 Views
  • 2 replies
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Resolved! How to search the run id of an experiment run created in another notebook?

Hello,I have created an experiment using with mlflow.start_run(run_name='experment_1'):in a notebook say 'notebook_1'.  In the 'Experiments' tab if I click on 'notebook_1', I am able to see 'experiment_1'. Now I am trying to search the experiment in ...

  • 5583 Views
  • 2 replies
  • 2 kudos
Latest Reply
yorabhir
New Contributor III
  • 2 kudos

Thank you @atmcqueen , the solution is working.

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TSchmidt
by New Contributor
  • 965 Views
  • 0 replies
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large scale yolo inference

I have 50 Million Images sitting on s3 I have a Yolov8 model trained with ultralytics and want to run inference on those images. I suspect I should be running inference using ML flow, but I am confused on how. I don't need to track experiments/traini...

  • 965 Views
  • 0 replies
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tiho
by New Contributor
  • 6052 Views
  • 4 replies
  • 1 kudos

Vector Search Index Sync fails in Initializing

Vector Search Index Sync fails in Initializing. This index table was already up and running, and when I tried to sync it, it failed in Initializing. See the attached.  

tiho_0-1709733181256.png
  • 6052 Views
  • 4 replies
  • 1 kudos
Latest Reply
jnkthms
New Contributor III
  • 1 kudos

The issue for us was most likely that we used CPU compute for the deployed embedding model, switching to GPU (small) solved the issue. 

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jnkthms
by New Contributor III
  • 3622 Views
  • 3 replies
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Resolved! Initializing Vector Search index Sync failes with Failed to resolve flow: '__online_index_view'

When setting up a vector search in databricks using the bge_m3 (Version 1) embedding model available in system.ai schema, the setup runs for 20 minutes or so and then fails. Querying the served embedding models from the browser works perfectly fine. ...

  • 3622 Views
  • 3 replies
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jnkthms
New Contributor III
  • 0 kudos

The issue was most likely to use a CPU compute for the deployed model, switching to GPU (small) solved the issue. 

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NaeemS
by New Contributor III
  • 4877 Views
  • 8 replies
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Feature Store Model Serving endpoint

Hi,I am trying to deploy my model which was logged by featureStoreEngineering client as a serving endpoint in Databricks. But I am facing following error:   The Databricks Lookup client from databricks-feature-lookup and Databricks Feature Store clie...

  • 4877 Views
  • 8 replies
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Latest Reply
robbe
New Contributor III
  • 0 kudos

Hi @damselfly20 unfortunately I can't help much with that as I've never worked with RAGs. Are you sure it's the same error though? @NaeemS's and my errors seems to be Java related and yours MLflow related.

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