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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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Data + AI Summit 2024 - Data Science & Machine Learning

Forum Posts

BenLambert
by Contributor
  • 836 Views
  • 1 replies
  • 1 kudos

When should you use the directory listing vs file notification

We are using Delta Live Tables for running ingestion pipelines and have come across the two options for the autoloader "file notification" vs "directory listing" this is reflected in the option cloudFiles.useIncrementalListing. We are wondering what ...

  • 836 Views
  • 1 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

@Bennett Lambert​ :The choice between using "file notification" vs "directory listing" for the autoloader in Delta Live Tables depends on your specific use case and requirements. Here are some general guidelines:Use file notification if you need real...

  • 1 kudos
956020
by New Contributor II
  • 2200 Views
  • 1 replies
  • 3 kudos

Resolved! Issue with running multiprocessing on databricks: Python kernel is unresponsive error

Hello, My problem:I'm trying to run a pytorch code which include multiprocessing on databricks and mt code is crashing with the note: Fatal error: The Python kernel is unresponsive.The Python process exited with exit code 134 (SIGABRT: Aborted).Closi...

  • 2200 Views
  • 1 replies
  • 3 kudos
Latest Reply
-werners-
Esteemed Contributor III
  • 3 kudos

This is because multiprocessing will not use the distributed framework of spark/databricks.When you use that, your code will run on the driver only and the workers are not doing anything.More info here.So you should use a spark-enabled ML library, li...

  • 3 kudos
Priyag1
by Honored Contributor II
  • 863 Views
  • 1 replies
  • 9 kudos

***Understanding Databricks Machine Learning Workspace - 1***Databricks Machine Learning helps you simplify and standardize your ML development proce...

***Understanding Databricks Machine Learning Workspace - 1***Databricks Machine Learning helps you simplify and standardize your ML development processes. It is helpful to :Train models either manually or with AutoML.Track training parameters and mo...

  • 863 Views
  • 1 replies
  • 9 kudos
Latest Reply
samhita
New Contributor III
  • 9 kudos

good initiative

  • 9 kudos
MichaelO
by New Contributor III
  • 9357 Views
  • 3 replies
  • 1 kudos

XGBModel' object has no attribute 'feature_types'

I saved an xgboost boost model in filetstore as a pkl file.I call the model by the commands belowmodel = pickle.load(open('/.../model.pkl', 'rb'))model.predict_proba(df[features])The model has been running for sometime with the above commands but I n...

  • 9357 Views
  • 3 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hi @Michael Okelola​ 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 answe...

  • 1 kudos
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Hubert-Dudek
by Esteemed Contributor III
  • 800 Views
  • 0 replies
  • 2 kudos

Introducing the new databricks UI: a sleek and intuitive data science and engineering interface. Don’t miss this opportunity to experience the power a...

Introducing the new databricks UI: a sleek and intuitive data science and engineering interface. Don’t miss this opportunity to experience the power and simplicity of Databricks. Try it out today! 

ui1 ui2
  • 800 Views
  • 0 replies
  • 2 kudos
Anonymous
by Not applicable
  • 422 Views
  • 0 replies
  • 1 kudos

 Hello Everyone, I am thrilled to announce that we have our 3rd winner for the raffle contest - @Jogeswara​. Please join me in congratulating him on t...

 Hello Everyone,I am thrilled to announce that we have our 3rd winner for the raffle contest - @Jogeswara​. Please join me in congratulating him on this remarkable achievement!Jogesswara, your dedication and hard work have paid off, and we are deligh...

Winner3
  • 422 Views
  • 0 replies
  • 1 kudos
Howard_w
by New Contributor
  • 2140 Views
  • 2 replies
  • 1 kudos

Resolved! Study material ML associate certification

Hi, is there an officially recommended book for the machine learning associate/professional certification? Or any sort of study guide or even third party course? I really struggle to find some study material for this activity.

  • 2140 Views
  • 2 replies
  • 1 kudos
Latest Reply
Priyag1
Honored Contributor II
  • 1 kudos

hello, to get an overview you may find out ML certification course from data bricks academy and refer the related concepts

  • 1 kudos
1 More Replies
Anonymous
by Not applicable
  • 1037 Views
  • 1 replies
  • 7 kudos

Train machine learning models: How can I take my ML lifecycle from experimentation to production?

Note: the following guide is primarily for Python users. For other languages, please view the following links: • Table batch reads and writes • Create a table in SQL • Visualizing data with DBSQLThis step-by-step guide will get your data...

Image Image Image Image
  • 1037 Views
  • 1 replies
  • 7 kudos
Latest Reply
Priyag1
Honored Contributor II
  • 7 kudos

I got good knowledge by your post . It is very clear . Thank you . Keep sharing like this posts .It will be helpful

  • 7 kudos
rohi
by New Contributor II
  • 624 Views
  • 1 replies
  • 3 kudos
  • 624 Views
  • 1 replies
  • 3 kudos
Latest Reply
Priyag1
Honored Contributor II
  • 3 kudos

@Rohini Singh​ what is your question exactly about program and code , be clear about what u wanna know

  • 3 kudos
qwerty1
by Contributor
  • 994 Views
  • 1 replies
  • 1 kudos

Resolved! What is the disadvantage of using multiple Z-Order columns?

The documentation statesYou can specify multiple columns for  ZORDER BY as a comma-separated list. However, the effectiveness of the locality drops with each extra columnWhat does it mean for "effectiveness of the locality to drop" with each extra co...

  • 994 Views
  • 1 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

@Ashwin Bhaskar​ :Z-ordering is a technique to improve the performance of queries that involve filtering and grouping on specific columns in a large distributed database. When a table is z-ordered on a certain column or set of columns, the data is so...

  • 1 kudos
khh2023
by New Contributor
  • 1025 Views
  • 1 replies
  • 0 kudos

Optimize operation with big increase in numRemovedFiles/numRemovedBytes/numAddedFiles/numAddedBytes

Hello, I have a daily loading process for a delta table and has a ‘optimize table’ step at the end. The optimize operation used to take about 5 minutes, but now takes about 3.5 hours. One thing I noticed from 'describe history' is the operationMetric...

image.png
  • 1025 Views
  • 1 replies
  • 0 kudos
Latest Reply
mathan_pillai
Valued Contributor
  • 0 kudos

This is most likely because more files became eligible for compaction (optimize). By default there is a limit of 50 files or so per partition, below which the partition doesn't qualify for optimize. Only if there are 50+ files within a partition the...

  • 0 kudos
Anonymous
by Not applicable
  • 1407 Views
  • 3 replies
  • 1 kudos

www.dbdemos.ai

Hurray!! Dolly demo is live now Build your Chat Bot with Dolly now. Experiment and let us know how do you feel about it.https://www.dbdemos.ai/demo.html?demoName=llm-dolly-chatbot

  • 1407 Views
  • 3 replies
  • 1 kudos
Latest Reply
David_K93
Contributor
  • 1 kudos

Hello,I've been working through the demo. I keep running into an error saying 'chromadb is not defined' when trying to run Chroma functions. See the example below. Seems to be an embedded object name? Thanks!

  • 1 kudos
2 More Replies
vittal
by New Contributor
  • 909 Views
  • 1 replies
  • 0 kudos

Getting errors in DLT Pipeline while using ML Model

I am getting the following error when I try to run ML Models in Delta live Table Pipeline File "/local_disk0/.ephemeral_nfs/repl_tmp_data/ReplId-55c61-9b898-2c4b6-d/mlflow/envs/virtualenv_envs/mlflow-888f8c9b966409e6bddca3894244b4df9d1f94c1/lib/pyth...

  • 909 Views
  • 1 replies
  • 0 kudos
Latest Reply
shan_chandra
Esteemed Contributor
  • 0 kudos

@Vittal Pai​  - In general, please follow the below steps for the mlflow CLI error,Step 1: set up API token and create secrets as mentioned in the below documenthttps://docs.databricks.com/machine-learning/manage-model-lifecycle/multiple-workspaces.h...

  • 0 kudos
Vaadee
by New Contributor
  • 902 Views
  • 1 replies
  • 0 kudos

How to include additional feature columns in Databricks AutoML Forecast?

I'm using Databricks AutoML for time series forecasting, and I would like to include additional feature columns in my model to improve its performance. The available parameters in the databricks.automl.forecast() function primarily focus on the targ...

  • 902 Views
  • 1 replies
  • 0 kudos
Latest Reply
shyam_9
Valued Contributor
  • 0 kudos

Hi @Vaadeendra Kumar Burra​, I am checking internally, will update you on this.

  • 0 kudos
prem_raj
by New Contributor II
  • 6036 Views
  • 2 replies
  • 0 kudos

AutoMl Forecasting - Query via REST (Issue with input date field)

Hi , Used automl forecasting model with sample data and the model is trained successfully. But when i was to serve the model over REST endpoint, i'm getting the error while querying via the inbuilt browser and postman. (Error seems to be with the dat...

  • 6036 Views
  • 2 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

@prem raj​ :Based on the error message, it seems that the input date format is not compatible with the model for inference. The error message suggests that the input date format is timezone-aware, while the model expects a timezone-naive format.To fi...

  • 0 kudos
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