- 6001 Views
- 3 replies
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Resolved! Unable to open files with python, but filesystem shows files exist
Dear community,I have the following problem:%fs mv '/FileStore/Tree_point_classification-1.dlpk' '/dbfs/mnt/group22/Tree_point_classification-1.dlpk'I have uploaded a file of a ML-model and have transferred it to the directory with When I now check ...
- 6001 Views
- 3 replies
- 2 kudos
- 2 kudos
There is dbfs:/dbfs/ displayed maybe file is in /dbfs/dbfs directory? Please check it and try to open with open('/dbfs/dbfs. You can also use "data" from left menu to check what is in dbfs file system more easily.
- 2 kudos
- 3117 Views
- 2 replies
- 1 kudos
Resolved! Accessing confluent schema registry from databricks with scala fails with 401 (just for scala, not python, just in databricks)
Nore, I've tested with the same connection variable:locally with scala - works (via the same prod schema registry)in the cluster with python - worksin the cluster with scala - fails with 401 auth errordef setupSchemaRegistry(schemaRegistryUrl: String...
- 3117 Views
- 2 replies
- 1 kudos
- 1 kudos
Found the issue: it's the uber package mangling some dependency resolving, which I fixedAnother issue, is that currently you can't use 6.* branch of confluent schema registry client in databricks, because the avro version is different then the one su...
- 1 kudos
- 20860 Views
- 5 replies
- 5 kudos
Resolved! Databricks default python libraries list & version
We are using data-bricks. How do we know the default libraries installed in the databricks & what versions are being installed. I have ran pip list, but couldn't find the pyspark in the returned list.
- 20860 Views
- 5 replies
- 5 kudos
- 5 kudos
Hi @karthick J​ ,If you would like to see all the libraries installed in your cluster and the version, then I will recommend to check the "Environment" tab. In there you will be able to find all the libraries installed in your cluster.Please follow t...
- 5 kudos
- 6716 Views
- 6 replies
- 7 kudos
Databricks query performance when filtering on a column correlated to the partition-column
(This is a copy of a question I asked on stackoverflow here, but maybe this community is a better fit for the question):Setting: Delta-lake, Databricks SQL compute used by powerbi. I am wondering about the following scenario: We have a column `timest...
- 6716 Views
- 6 replies
- 7 kudos
- 7 kudos
In query I would just query first by date (generated from timestamp which we want to query) and than by exact timestamp, so it will use partitioning benefit.
- 7 kudos
- 3476 Views
- 2 replies
- 2 kudos
Resolved! Clean up of residual AWS resources when deleting a DB workspace
When deleting a workspace from the Databricks Accounts Console, I noticed the AWS resources (VPC, NAT, etc.) are not removed. Should they be? And if not, is there a clean/simple way of cleaning up the residual AWS resources?
- 3476 Views
- 2 replies
- 2 kudos
- 2 kudos
Thank you Prabakar - that's what I figured but didn't know if there was documentation on resource cleanup. I'll just go through and find everything the CF stack created and remove them.Regards,Brad
- 2 kudos
- 3243 Views
- 2 replies
- 0 kudos
How to add Columns for Automatic Fill on Pandas Python
1. I have data x,I would like to create a new column with the condition that the value are 1, 2 or 32. The name of the column is SHIFT where this SHIFT column will be filled automatically if the TIME_CREATED column meets the conditions.3. the conditi...
- 3243 Views
- 2 replies
- 0 kudos
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You an do something like this in pandas. Note there could be a more performant way to do this too. import pandas as pd import numpy as np df = pd.DataFrame({'a':[1,2,3,4]}) df.head() > a > 0 1 > 1 2 > 2 3 > 3 4 conditions = [(df['a'] <=2...
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- 1812 Views
- 1 replies
- 1 kudos
Writing Records Failing Constraint Requirements to Separate Table when using Delta Live Tables
Are there any plans / capabilities in place or approaches people are using for writing (logging) records failing constraint requirements to separate tables when using Delta Live Tables? Also, are there any plans / capabilities in place or approaches ...
- 1812 Views
- 1 replies
- 1 kudos
- 1 kudos
According to the language reference documentation, I do not believe quarantining records is possible right now out of the box. But there are a few workarounds under the current functionality. Create a second table with the inverse of the expectations...
- 1 kudos
- 3742 Views
- 1 replies
- 0 kudos
dbutils.secrets.get- NoSuchElementException: None.get
The below code executes a 'get' api method to retrieve objects from s3 and write to the data lake.The problem arises when I use dbutils.secrets.get to get the keys required to establish the connection to s3my_dataframe.rdd.foreachPartition(partition ...
- 3742 Views
- 1 replies
- 0 kudos
- 0 kudos
Howdy @Sandesh Puligundla​ - Thank you for your question. Thank you for your patience. I'd like to give this a bit longer to see how the community responds. Hang tight!
- 0 kudos
- 3218 Views
- 2 replies
- 2 kudos
Resolved! Is it possible to clone a private repository and use it in databricks Repos?
As title, I need to clone code from my private git repo, and use it in my notebook, I do something likedef cmd(command, cwd=None): process = subprocess.Popen(command.split(), stdout=subprocess.PIPE, cwd=cwd) output, error = process.communicate(...
- 3218 Views
- 2 replies
- 2 kudos
- 2 kudos
Hi @Andy Huang​ , Yes, you can do it if it's accessible from Databricks. Please refer to: https://docs.databricks.com/repos.html#repos-for-git-integrationDatabricks does not support private Git servers, such as Git servers behind a VPN.
- 2 kudos
- 4914 Views
- 2 replies
- 2 kudos
Resolved! Understanding Partitions in Spark Local Mode
I have few fundamental questions in Spark3 while running a simple Spark app in my local mac machine (with 6 cores in total). Please help.local[*] runs my Spark application in local mode with all the cores present on my mac, correct? It also means tha...
- 4914 Views
- 2 replies
- 2 kudos
- 2 kudos
That is a lot of questions in one topic.Let's give it a try:[1] this all depends on the values of the concerning parameters and the program you run(think joins, unions, repartition etc)[2] spark.default.parallelism is by default the number of cores *...
- 2 kudos
- 8022 Views
- 2 replies
- 2 kudos
Resolved! current date as default in a widget while scheduling the notebook
I have a scheduled a notebook. can I keep current date as default in widget whenever the notebook run and also i need the flexibility to change the widget value to any other date based on the ad hoc run that I do.
- 8022 Views
- 2 replies
- 2 kudos
- 2 kudos
So building on the answer of Hubert:from datetime import datedate_for_widget = date.today()So if you use date_for_widget as your default value, you are there.And ofc you can fill this date_for_widget variable with anything you want.You can even fetch...
- 2 kudos
- 16871 Views
- 4 replies
- 1 kudos
Resolved! How to fix TypeError: __init__() got an unexpected keyword argument 'max_iter'?
# Create the model using sklearn (don't worry about the parameters for now): model = SGDRegressor(loss='squared_loss', verbose=0, eta0=0.0003, max_iter=3000) Train/fit the model to the train-part of the dataset: odel.fit(X_train, y_train) ERROR: Typ...
- 16871 Views
- 4 replies
- 1 kudos
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Replacing max_iter with n_iter resolves the error. Thnx! It is a bit unusual to expect errors like this with this type of solution from Microsoft. As if it could not be prevented..
- 1 kudos
- 3276 Views
- 1 replies
- 2 kudos
Show all distinct values per column in dataframe Problem Statement:I want to see all the distinct values per column for my entire table, but a SQL que...
Show all distinct values per column in dataframeProblem Statement:I want to see all the distinct values per column for my entire table, but a SQL query with a collect_set() on every column is not dynamic and too long to write.Use this code to show th...
- 3276 Views
- 1 replies
- 2 kudos
- 2 kudos
@Artem Yevtushenko​ - This is great! Thank you for sharing!
- 2 kudos
- 9748 Views
- 8 replies
- 5 kudos
Resolved! error creating tables using UI
Hi, i try to create a table using UI, but i keep getting the error "error creating table <table name> create a cluster first" even when i have a cluster alread running. what is the problem?
- 9748 Views
- 8 replies
- 5 kudos
- 5 kudos
Be sure that cluster is selected (arrow in database) and at least there is Default database.
- 5 kudos
- 28674 Views
- 11 replies
- 10 kudos
Resolved! Read JSON files from the s3 bucket
Hello guys, I'm trying to read JSON files from the s3 bucket. but no matter what I try I get Query returned no result or if I don't specify the schema I get unable to infer a schema.I tried to mount the s3 bucket, still not works.here is some code th...
- 28674 Views
- 11 replies
- 10 kudos
- 10 kudos
Please refer to the doc that helps you to read JSON. If you are getting this error the problem should be with the JSON schema. Please validate it.As a test, create a simple JSON file (you can get it on the internet), upload it to your S3 bucket, and ...
- 10 kudos
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