- 10846 Views
- 4 replies
- 8 kudos
custom python module not found while using dbx on pycharm
Am new to databricks and pyspark. Building a pyspark application using pycharm IDE. I have tested the code in local and wanted to run on databricks cluster from IDE itself. Following the dbx documentation and able to run the single python file succes...
- 10846 Views
- 4 replies
- 8 kudos
- 3992 Views
- 2 replies
- 0 kudos
Error Creating Primary Key Constraint
I am trying to add a primary key constraint to an existing table, and I get the following error;Cannot create or update table because the child column(s) `my_primary_key` of primary key `pk` cannot be set to nullable. Either drop the constraint, or c...
- 3992 Views
- 2 replies
- 0 kudos
- 0 kudos
Hi, Could you please confirm if you are using the latest databricks-sql-connector ? (https://pypi.org/project/databricks-sql-connector/)
- 0 kudos
- 2183 Views
- 2 replies
- 0 kudos
The new horizontal view of tasks *****. Can we please have the option for vertical view of a workflow?
The new horizontal view of tasks *****. Can we please have the option for vertical view of a workflow?
- 2183 Views
- 2 replies
- 0 kudos
- 0 kudos
Hi Debayan,This was how workflows used to look like before These are now shown from left to right instead of from top to bottom. It is a pain to scroll through a long workflow now as mouses don't have the capability to scroll left and right.
- 0 kudos
- 1639 Views
- 1 replies
- 0 kudos
Is there anyway to execute grant and revoke statements to a user for an object based on a condition?
SELECT if((select count(*) from information_schema.table_privileges where grantee = 'samo@test.com' and table_schema='demo_schema' and table_catalog='demo_catalog')==1, (select count(*) from demo_catalog.demo_schema.demo_table), (select count(*) from...
- 1639 Views
- 1 replies
- 0 kudos
- 0 kudos
Hi, GRANT and REVOKE are privileges on an securable object to a principal. And a principal is a user, service principal, or group known to the metastore. Principals can be granted privileges and may own securable objects.Also, you can use REVOKE ON S...
- 0 kudos
- 27679 Views
- 8 replies
- 9 kudos
Is there any way to monitor the CPU, disk and memory usage of a cluster while a job is running?
I am looking for something preferably similar to Windows task manager which we can use for monitoring the CPU, memory and disk usage for local desktop.
- 27679 Views
- 8 replies
- 9 kudos
- 9 kudos
Some important info to look in Gangalia UI in CPU, memory and server load charts to spot the problem:CPU chart :User %Idle %High percentage of user % indicates heavy CPU usage in the cluster.Memory chart : Use %Free %Swap % If you see purple line ove...
- 9 kudos
- 7390 Views
- 3 replies
- 6 kudos
Question on Databricks Spark online proctored exam
Some silly questions folks. I took online proctored Databricks spark certification couple of days back and my unofficial result was pass. I received a mail that it might https://speedtest.vet/ take upto one week to receive the certification, if awar...
- 7390 Views
- 3 replies
- 6 kudos
- 6 kudos
better would have been to ask for permission before drinking. I can share my exp. My mobile alarm started buzzing during the exam, I requested the moderator, he then paused the exam and asked me to take my laptop to the mobile and then to switch off,...
- 6 kudos
- 16041 Views
- 7 replies
- 13 kudos
How to read file in pyspark with “]|[” delimiter
The data looks like this: pageId]|[page]|[Position]|[sysId]|[carId 0005]|[bmw]|[south]|[AD6]|[OP4 There are atleast 50 columns and millions of rows. I did try to use below code to read: dff = sqlContext.read.format("com.databricks.spark.csv").option...
- 16041 Views
- 7 replies
- 13 kudos
- 13 kudos
you might also try the blow option.1). Use a different file format: You can try using a different file format that supports multi-character delimiters, such as text JSON.2). Use a custom Row class: You can write a custom Row class to parse the multi-...
- 13 kudos
- 31615 Views
- 4 replies
- 3 kudos
Resolved! Set environment variables in global init scripts
Hi Databricks Community,I want to set environment variables for all clusters in my workspace.The goal is to have environment (dev, prod) specific environment variables values.Instead of set the environment variables for each cluster, a global script ...
- 31615 Views
- 4 replies
- 3 kudos
- 3 kudos
We have set the env variable at Global Init script as below,sudo echo DATAENV=DEV >> /etc/environmentand we try to access the variable in notebook that run with "Shared" cluster mode. import os print(os.getenv("DATAENV"))But the env variable is not a...
- 3 kudos
- 3223 Views
- 3 replies
- 3 kudos
How to publish Notebook Dashboard without possiblity to "exit" FullScreen?
Is there a way to remove the "exit" Button from the fullscreen within the sparks Notebook - Dashboard ?
- 3223 Views
- 3 replies
- 3 kudos
- 3 kudos
Could you please share a screenshot of what you see. I dont see any exit button. Or I might be looking at a wrong place.
- 3 kudos
- 33013 Views
- 15 replies
- 2 kudos
Resolved! How to create connection between Databricks & BigQuery
Hi, I would like to connect our BigQuery env to Databricks, So I created a service account but where should I configure the service account in Databricks? I read databricks documention and it`s not clear at all. Thanks for your help
- 33013 Views
- 15 replies
- 2 kudos
- 2 kudos
@kfiry adding to @Werner Stinckens did you added projectid in read spark query , projectid should be one where big query instance running. also please follow best practices in terms of egress data cost spark.read.format("bigquery") \ .option("tabl...
- 2 kudos
- 8103 Views
- 2 replies
- 2 kudos
Resolved! What is the best way to find deltalake version on OSS and Databricks at runtime?
To identify certain deltalake features available on a certain installation, it is important to have a robust way to identify deltalake version. For OSS, I found that the below Scala snippet will do the job.import io.delta println(io.delta.VERSION)Not...
- 8103 Views
- 2 replies
- 2 kudos
- 2 kudos
@Yousry Mohamed - could you please check the DBR runtime release notes for the Delta lake API compatibility matrix section ( DBR version vs Delta lake compatible version) for the mapping.Reference: https://docs.databricks.com/release-notes/runtime/r...
- 2 kudos
- 3625 Views
- 3 replies
- 2 kudos
Resolved! Limitation as of now in delta live table
I am thinking of using delta live table, before that I want to be aware of the limitations it has as of now when it s announced on datasummit 2021
- 3625 Views
- 3 replies
- 2 kudos
- 2 kudos
There doesn't appear to be a way to enforce a retention policy on source tables when defining a structured stream. Setting the options for "ignoreChanges" and "ignoreDeletes" doesn't seem to have any effect at all. CDC does not fill this role either,...
- 2 kudos
- 4839 Views
- 2 replies
- 0 kudos
GRANT PRIVILEGES or REVOKE not working in databricks: Operation not allowed
Hi everyone!I am having a problem! I can Grant or Revoke privileges from users using the UI on databricks, but when I try to do that using SQL commands such as GRANT SELECT ON SCHEMA [... ] TO [USER]; I get an error stating Operation not allowed.I am...
- 4839 Views
- 2 replies
- 0 kudos
- 2279 Views
- 2 replies
- 0 kudos
Issue with visualizing dataframe from a job
Greetings,I have the following data set:```sqlSELECT * FROM ( VALUES ('2023-02',113.81::decimal(27,2),'A','X'), ('2023-02',112.66::decimal(27,2),'A','Y'), ('2023-02',1223.8::decimal(27,2),'B','X'), ('2023-02',1234.56::decimal(27,2),'B',...
- 2279 Views
- 2 replies
- 0 kudos
- 0 kudos
Attaching some more screenshots to add more details.This seems to be a bug in the bar chart visualization widget when displaying from job run.
- 0 kudos
- 1976 Views
- 1 replies
- 3 kudos
Updated UI for Create, run, and manage Databricks Jobs
Updated UI for Create, run, and manage Databricks Jobs
- 1976 Views
- 1 replies
- 3 kudos
- 3 kudos
Hi Ajay, Could you please clarify the ask here? Thanks.
- 3 kudos
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