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Forum Posts

Srikanthn
by New Contributor II
  • 1719 Views
  • 0 replies
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Unable to change/cast column datatype using Delta IO

I have created a delta table using Delta IO library, with following detailsTable Name: EmployeeColumns {Id Integer, name String, gender String, Salary decimal(5,2)}Now I want to upcast the salary from decimal(5,2) to decimal(10,4). If I use delta IO ...

  • 1719 Views
  • 0 replies
  • 1 kudos
jermaineharsh
by New Contributor III
  • 1466 Views
  • 0 replies
  • 1 kudos

How to switch from free trial to Community Edition of Databricks in my Azure workspace?

hello,I am trying to switch into Databricks Community Edition after a 14 day trial. I was able to register, but when I try to start my new cluster, I get an error message, "Cluster start feature is currently disabled, and the cluster does not run".In...

  • 1466 Views
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  • 1 kudos
Picci
by New Contributor III
  • 5950 Views
  • 3 replies
  • 3 kudos

Resolved! Databricks community edition still available?

Is Databricks platform still available in its Community edition (outside Azure, AWS or GCP)? Can someone share the updated link?Thanks,Elisa

  • 5950 Views
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  • 3 kudos
Latest Reply
jamescw
New Contributor II
  • 3 kudos

Look : it is still available but afaik always linked to azure/gcp/aws

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bento
by New Contributor
  • 17087 Views
  • 1 replies
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Resolved! Notebook Langchain ModuleNotFoundError: No module named 'langchain.retrievers.merger_retriever'

Hi,As mentioned in the title, receiving this error despite%pip install --upgrade langchainSpecific line of code:from langchain.retrievers.merger_retriever import MergerRetriever All other langchain import works when this is commented out. Same line w...

  • 17087 Views
  • 1 replies
  • 1 kudos
Latest Reply
sean_owen
Databricks Employee
  • 1 kudos

More specifically: langchain releases a new update every few days, and it is likely that you are using code or a library that needs a later version of langchain than you have (or, perhaps, a later version that removed whatever part of langchain you r...

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ankit_batra1
by New Contributor
  • 2277 Views
  • 2 replies
  • 1 kudos

Databricks notebook execution using only one task

I am running a databricks notebook. While running, i only see one task on one worker getting started. My cluster has min 6 workers but seems like they are not getting used.I am performing a read operation from Cosmos DB.Can someone please help me her...

  • 2277 Views
  • 2 replies
  • 1 kudos
Latest Reply
sean_owen
Databricks Employee
  • 1 kudos

If your code does not use Spark, it will not use any machines except the driver. If you're using Spark but your source data that you operate on has 1 partition, there will be only 1 task. Hard to say more without knowing what you are doing in more de...

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FutureLegend
by New Contributor III
  • 5615 Views
  • 2 replies
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MIT License and Fine-tuning

Some questions related to fine-tuning and the MIT License, I read the MIT license but still confusing about some points.If I fine-tune the Dolly-v2 model, say using LoRA and my own dataset,Do I "own" the fine-tuned model?Am I allow to change the name...

  • 5615 Views
  • 2 replies
  • 1 kudos
Latest Reply
sean_owen
Databricks Employee
  • 1 kudos

I am not sure I agree with the discussion so far. While none of here are lawyers, I think it's fairly straightforward to reason about the licensing.You have created a combined, derivative work from the Dolly weights in this case. You have copyright i...

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meystingray
by New Contributor II
  • 1644 Views
  • 0 replies
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Databricks Rstudio Init Script Deprecated

OK so I'm trying to use Open Source Rstudio on Azure Databricks.I'm following the instructions here: https://learn.microsoft.com/en-us/azure/databricks/sparkr/rstudio#install-rstudio-server-open-source-editionI've installed the necessary init script ...

  • 1644 Views
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dannythermadom
by New Contributor III
  • 1928 Views
  • 2 replies
  • 1 kudos

Getting FileNotFoundException while using cloudFiles

Hi,Following is the code i am using the ingest the data incrementally (weekly).val ssdf = spark.readStream.schema(schema) .format("cloudFiles").option("cloudFiles.format", "parquet").load(sourceUrl).filter(criteriaFilter)val transformedDf = ssdf.tran...

  • 1928 Views
  • 2 replies
  • 1 kudos
Latest Reply
BilalAslamDbrx
Databricks Employee
  • 1 kudos

Danny is another process mutating / deleting the incoming files? 

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Ruby8376
by Valued Contributor
  • 7567 Views
  • 6 replies
  • 3 kudos

Resolved! Using databricks for end to end flow? rather than using ADF for extracting data

Currently, in our company we are using ADF+DATABRICKS for all batch integration. Using ADF first data is copied to ADLS gen 2 (from different sources like on prem servers, ftp solution file sharing, etc), then it is reformatted to csv and it is copie...

  • 7567 Views
  • 6 replies
  • 3 kudos
Latest Reply
Ruby8376
Valued Contributor
  • 3 kudos

@-werners- Is there any benefit of doing the extract part in databricks itself? Unlike our current architecture, where we first load to adls using adf. I guess it is worth doing all end to end using databricks if there is better processing, lower lat...

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Phani1
by Valued Contributor II
  • 1474 Views
  • 1 replies
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RBAC, Security & Privacy controls

Could you please share us best practices on implementation of RBAC, Security & Privacy controls in Databricks

Get Started Discussions
Privacy controls
RBAC
  • 1474 Views
  • 1 replies
  • 0 kudos
Latest Reply
Debayan
Databricks Employee
  • 0 kudos

Hi, Could you please check on https://docs.databricks.com/en/lakehouse-architecture/security-compliance-and-privacy/best-practices.html and see if this helping? Also, please tag @Debayan with your next comment which will notify me. Thanks!

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Policepatil
by New Contributor III
  • 2054 Views
  • 0 replies
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Records are missing while creating new dataframe from one big dataframe using filter

Hi,I have data in file like belowI have different types of row in my input file, column number 8 defines the type of the record.In the above file we have 4 types of records 00 to 03My requirement is:There will be multiple files in the source path, ea...

Policepatil_0-1693826562540.png Policepatil_1-1693826571781.png Policepatil_2-1693826609156.png Policepatil_3-1693826641543.png
  • 2054 Views
  • 0 replies
  • 0 kudos
Policepatil
by New Contributor III
  • 2553 Views
  • 2 replies
  • 0 kudos

Records are missing while creating new data from one big dataframe using filter

Hi,I have data in file like below I have different types of row in my input file, column number 8 defines the type of the record.In the above file we have 4 types of records 00 to 03My requirement is:There will be multiple files in the source path, e...

Policepatil_1-1693806659492.png Policepatil_3-1693806860560.png Policepatil_4-1693807544901.png Policepatil_5-1693807898507.png
  • 2553 Views
  • 2 replies
  • 0 kudos
Latest Reply
Policepatil
New Contributor III
  • 0 kudos

Hi @Retired_mod ,If i run again with same files sometimes records will be missed from same files of the previous run or records will be missed from different file.Example:run1: 1 record missing in file1, no issue with other filesrun2: 1 record missin...

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