- 22006 Views
- 9 replies
- 8 kudos
Resolved! Failed to start cluster
Hi, I ran the cluster more than 5-6 times with it failing to start since this past morning (about 11-12 hours now) since i'm facing this problem.Attaching screenshot below and also typing in case someone comes from the web to this thread in future.Pr...
- 22006 Views
- 9 replies
- 8 kudos
- 8 kudos
The cluster will be able to start and the nodes will automatically obtain the updated cluster configuration data.
- 8 kudos
- 2545 Views
- 0 replies
- 0 kudos
Converting a text widget to a list
Hi, Been working on some parallel notebook code, which I have ported to python from the example on the DB website and added some exception handling and that works fine. What I would like to do is paramterise the input but am not succeeding as the fun...
- 2545 Views
- 0 replies
- 0 kudos
- 3894 Views
- 2 replies
- 2 kudos
How to restore DatabricksRoot(FileStore) data after Databricks Workspace is decommissioned?
My Azure Databricks workspace was decommissioned. I forgot to copy files stored in the DatabricksRoot storage (dbfs:/FileStore/...).Can the workspace be recommissioned/restored? Is there any way to get my data back?Also, is there any difference betwe...
- 3894 Views
- 2 replies
- 2 kudos
- 2 kudos
Hello @Anmol Deep​ Please submit a support request ASAP, so we can restore the deleted workspace. You can recover artifacts from the workspace.
- 2 kudos
- 3540 Views
- 4 replies
- 1 kudos
Does Databricks have a google cloud Big Query equivalent of --dry_run to estimate costs before executing?
Databricks uses DBU's as a costing unit whether based onto of AWS/Azure/GCP and I want to know if Databricks has a google cloud Big Query equivalent of --dry_run for estimating costs? https://cloud.google.com/bigquery/docs/estimate-costs
- 3540 Views
- 4 replies
- 1 kudos
- 1 kudos
Not that I know of.Google uses number of bytes read to determine the cost.Databricks uses DBU. The number of DBU's spent is not only dependent on the amount of bytes read (the more you read, the longer the program will run probably), but also the typ...
- 1 kudos
- 2994 Views
- 3 replies
- 1 kudos
Loading Dimensions including SCDType2
I have a customer dimension and for every incremental load I am applying type2 or type1 to the dimension.This dimension is based off a silver table in my delta lake where I am applying a merge statement.What happens if I need to go back and track ad...
- 2994 Views
- 3 replies
- 1 kudos
- 1 kudos
Thanks werners,I was informed you could essentially recreate a type 2 dimensions from scratch, without reading the files 1 by 1, using the delta lake time shift. However, this doesn't seem to be the case and the only way to create this is to incremen...
- 1 kudos
- 1610 Views
- 0 replies
- 2 kudos
Spark Structured Streaming: How to run N queries on each window
I have timeseries data in k Kafka topics. I would like to read this data into windows of length 10 minutes. For each window, I want to run N SQL queries and materialize result. The specific N queries to run depends on the kafka topic name. How should...
- 1610 Views
- 0 replies
- 2 kudos
- 10103 Views
- 8 replies
- 6 kudos
Failing to install a library from dbfs mounted storage (adls2) with pass through credentials cluster
We've setup a premium workspace with passthrough credentials cluster , while they do work and access my adls gen 2 storageI can't make it install a library on the cluster from there. and keeping getting"Library installation attempted on the driver no...
- 10103 Views
- 8 replies
- 6 kudos
- 6 kudos
Sorry I can't figure this out, the link you've added is irrelevant for passthrough credentials, if we add it the cluster won't be passthrough, Is there a way to add this just for a specific folder? while keeping passthrough for the rest?
- 6 kudos
- 1239 Views
- 0 replies
- 4 kudos
Databricks Office Hours Register for Office Hours to participate in a live Q&A session with Databricks experts! Our next event is scheduled for Ju...
Databricks Office HoursRegister for Office Hours to participate in a live Q&A session with Databricks experts! Our next event is scheduled for June 22nd from 8:00 am - 9:00am PT.This is your opportunity to connect directly with our experts to ask any...
- 1239 Views
- 0 replies
- 4 kudos
- 4668 Views
- 4 replies
- 2 kudos
Resolved! Unable to delete a DBFS folder
Hello everyone,I've created by error a DBFS folder named : ${env]But when I run this command :dbutils.fs.rm("/mnt/${env]")It returns me this error : java.net.URISyntaxException: Illegal character in path at index 12: /mnt/$%7Benv]How can I do please ...
- 4668 Views
- 4 replies
- 2 kudos
- 4352 Views
- 2 replies
- 3 kudos
Why does my Notebook fails if I try to load a function from another Notebook in Repos in Databricks
My function in func.pydef lower_events(df): return df.withColumn("event",f.lower(f.col("event")))My main notebook import pyspark.sql.functions as f from pyspark.sql.functions import udf, col, lower import sys sys.path.append("..") from folder.func...
- 4352 Views
- 2 replies
- 3 kudos
- 3 kudos
@Kaniz Fatma​ https://community.databricks.com/s/question/0D58Y00008ouo6xSAA/how-to-fetch-environmental-variables-saved-in-one-notebook-into-another-notebook-in-databricks-repos-and-notebooksCan you please look into this
- 3 kudos
- 3414 Views
- 2 replies
- 2 kudos
Resolved! Importing python function with spark.read.jdbc in to Repos
Hi all!Before we used Databricks Repos we used the run magic to run various utility python functions from one notebook inside other notebooks, fex like reading from a jdbc connections. We now plan to switch to repos to utilize the fantastic CI/CD pos...
- 3414 Views
- 2 replies
- 2 kudos
- 2 kudos
Thats...odd. I was sure I had tried that, but now it works somehow. I guess it has to be that now I did it with double quotation marks. Thanks anyway! Works like a charm.
- 2 kudos
- 7782 Views
- 7 replies
- 2 kudos
Read temporary views in SQL Analytics
I'm having issues trying to read temporary views in SQL Analytics module. Ive managed to create temporary views based on a query but I don't know how to read from them? Just using the name of the view returns "Table or view not found".
- 7782 Views
- 7 replies
- 2 kudos
- 2 kudos
No, I'm actually having issues reading from the view in the same session that created it. Using the same view name I get a table or view not found.
- 2 kudos
- 1877 Views
- 1 replies
- 1 kudos
Autoloader event vs directory ingestion
For a production work load containing around 15k gzip compressed json files per hour all in a YYYY/MM/DD/HH/id/timestamp.json.gz directoryWhat would be the better approach on ingesting this into a delta table in terms of not only the incremental load...
- 1877 Views
- 1 replies
- 1 kudos
- 1 kudos
@Kaniz Fatma​ So i've not found a fix for the small file problem using autoloader, seems to struggle really badly against large directories, had a cluster running for 8h stuck on "listing directory" part with no end, cluster seemed completely idle to...
- 1 kudos
- 6210 Views
- 4 replies
- 6 kudos
Unable to import .dbc files in Databricks for "Databricks Developer Foundation Capstone"
Hi,I am not able to import .dbc file into Databricks workspace for "Databricks Developer Foundation Capstone". When I click import the error message is displayed. Secondly when I click the github link in the 'Download the capstone' error 404 is displ...
- 6210 Views
- 4 replies
- 6 kudos
- 6 kudos
Hello @Karthikeyan.r3@cognizant.com R​ I agreed with Hubert. please write to https://help.databricks.com
- 6 kudos
- 3560 Views
- 1 replies
- 1 kudos
Resolved! Can we reuse checkpoints in Spark Streaming?
I am reading data from a Kafka topic, say topic_a. I have an application, app_one which uses Spark Streaming to read data from topic_a. I have a checkpoint location, loc_a to store the checkpoint. Now, app_one has read data till offset 90.Can I creat...
- 3560 Views
- 1 replies
- 1 kudos
- 1 kudos
Hi @John Constantine​,Is not recommended to share the checkpoint with your queries. Every streaming query should have their own checkpoint. If you can to start at the offset 90 in another query, then you can define it when starting your job. You can ...
- 1 kudos
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