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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

Silabs
by New Contributor II
  • 12535 Views
  • 3 replies
  • 4 kudos

Resolved! Set up connection to on prem sql server

Ive just set up our databricks environment. Hosted in AWS. We have an on prem SQL server and would like to connect . How can i do that?

  • 12535 Views
  • 3 replies
  • 4 kudos
Latest Reply
Yeshwanth
Databricks Employee
  • 4 kudos

@Silabs good day! To connect your Databricks environment (hosted on AWS) to your on-premise SQL server, follow these steps: 1. Network Setup: Establish a connection between your SQL server and the Databricks virtual private cloud (VPC) using VPN or A...

  • 4 kudos
2 More Replies
dbengineer516
by New Contributor III
  • 7232 Views
  • 4 replies
  • 2 kudos

Resolved! Git Integration with Databricks Query Files and Azure DevOps

I’ve been trying to develop a solution for our team to be able to have Git integration between Databricks and Azure DevOps. However, the “query” file type/workspace item on Databricks can’t be committed and pushed to a Git repo, only regular file typ...

  • 7232 Views
  • 4 replies
  • 2 kudos
Latest Reply
Yeshwanth
Databricks Employee
  • 2 kudos

@dbengineer516 Good day! As per the Databricks documentation, only certain Databricks asset types are supported by Git folders. These include Files, Notebooks, and Folders. Databricks asset types that are currently not supported in Git folders includ...

  • 2 kudos
3 More Replies
SreeG
by New Contributor II
  • 2126 Views
  • 2 replies
  • 0 kudos

Error Reading Kafka message into Azure Databricks

TeamI am trying to test the connection to Kafka broker from Azure Databricks. Telnet and IP is successful.When I am trying to read the data, I am getting "Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid cer...

Data Engineering
Azure DB
kafka
  • 2126 Views
  • 2 replies
  • 0 kudos
Latest Reply
SreeG
New Contributor II
  • 0 kudos

Had to hold on this testing. But, when I get a chance to work on this, I will update my findings. Thank you!

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1 More Replies
PerformanceTest
by New Contributor
  • 1328 Views
  • 1 replies
  • 0 kudos

Databricks to Jmteter connectivity issue

Hi All, we are conducting Databricks performance test with Apache Jmeter, after configuring JDBC config element getting below error Cannot create PoolableConnectionFactory ([Databricks][JDBCDriver](700120) Host xxxxx-xxxxx-xxxx.cloud.databricks.com c...

  • 1328 Views
  • 1 replies
  • 0 kudos
Latest Reply
shan_chandra
Databricks Employee
  • 0 kudos

@PerformanceTest - can you please check your DB workspace terraform script to see if there is a different CNAME defined for your host workspace.  

  • 0 kudos
ByteForge
by New Contributor
  • 1729 Views
  • 1 replies
  • 0 kudos

How to import .dbc files above size limit?

 Above is the screenshot of error, is there any other way of processing dbc files? Do no have access/backup to previous workspace where this code is imported from

ByteForge_2-1715687151524.png
  • 1729 Views
  • 1 replies
  • 0 kudos
Latest Reply
shan_chandra
Databricks Employee
  • 0 kudos

@ByteForge - Kindly raise a support case with Databricks to work with Engg to increase the limits for your workspace.

  • 0 kudos
ac0
by Contributor
  • 2087 Views
  • 2 replies
  • 0 kudos

Resolved! Is it more performant to run optimize table commands on a serverless SQL warehouse or elsewhere?

Is it more performant to run optimize table commands on a serverless SQL warehouse or in a job or all-purpose compute cluster? I would presume a serverless warehouse would be faster, but I don't know how to test this.

  • 2087 Views
  • 2 replies
  • 0 kudos
Latest Reply
Yeshwanth
Databricks Employee
  • 0 kudos

@ac0 Good day! Serverless SQL warehouses are likely to execute "optimize table" commands faster than job or all-purpose compute clusters due to their rapid startup time, quick upscaling for low latency, and efficient handling of varying query demand....

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1 More Replies
NTRT
by New Contributor III
  • 1591 Views
  • 1 replies
  • 0 kudos

how to transform json-stat 2 filte to SparkDataFrame ? how to keep order on MapType structure ?

Hi,I am using different json files of type json-stat2.  These kind of json file is quite common used in national statistisc bureau. Its multi dimensional with multy arrays. Using python environment kan we use pyjstat package to easily  transform json...

  • 1591 Views
  • 1 replies
  • 0 kudos
Latest Reply
-werners-
Esteemed Contributor III
  • 0 kudos

MapType does not maintain order (json itself too).Can you apply the ordering yourself afterwards?

  • 0 kudos
NTRT
by New Contributor III
  • 1798 Views
  • 2 replies
  • 0 kudos

cant read json file with just 1,75 MiB ?

Hi,I am realtively new on databricks, although I am conscious about lazy evaluation, transformations and actions and peristence.I have a json file (complex-nested) with about 1,73 MiB. when df = spark.read.option("multiLine", "false").json('dbfs:/mnt...

  • 1798 Views
  • 2 replies
  • 0 kudos
Latest Reply
koushiknpvs
New Contributor III
  • 0 kudos

This can be resolved by redefining the schema structure explicitly and using that schema to read the file. from pyspark.sql.types import StructType, StructField, StringType, IntegerType, ArrayType# Define the schema according to the JSON structuresch...

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1 More Replies
NTRT
by New Contributor III
  • 3665 Views
  • 4 replies
  • 0 kudos

Resolved! performance issues when readingjson-stat2

Hi,I am realtively new on databricks, although I am conscious about lazy evaluation, transformations and actions and peristence.I have a json file (complex-nested) with about 1,73 MiB. when df = spark.read.option("multiLine", "false").json('dbfs:/mnt...

  • 3665 Views
  • 4 replies
  • 0 kudos
Latest Reply
koushiknpvs
New Contributor III
  • 0 kudos

Please give me a kudos if this works.Efficiency in Data Collection: Using .collect() on large datasets can lead to out-of-memory errors as it collects all rows to the driver node. If the dataset is large, consider alternatives such as extracting only...

  • 0 kudos
3 More Replies
Mathias_Peters
by Contributor II
  • 1949 Views
  • 2 replies
  • 0 kudos

Asset Bundles: Adding project_directory in DBT task breaks previous python task

Hi, I have a job consisting of three tasks:  tasks: - task_key: Kinesis_to_S3_new spark_python_task: python_file: ../src/kinesis.py parameters: ["${var.stream_region}", "${var.s3_base_path}"] j...

  • 1949 Views
  • 2 replies
  • 0 kudos
Latest Reply
Mathias_Peters
Contributor II
  • 0 kudos

Hi @Ajay-Pandey ,thank you for the hints. I will try to recreate the job via UI. I ran the tasks in a Github workflow. The file locations are mixed: the first two tasks (python and dlt) are located in the databricks/src folder. The dbt files come fro...

  • 0 kudos
1 More Replies
chandan_a_v
by Valued Contributor
  • 3640 Views
  • 2 replies
  • 1 kudos

Can't import local files under repo

I have a yaml file inside one of the sub dir in Databricks, I have appended the repo path to sys. Still I can't access this file. https://docs.databricks.com/_static/notebooks/files-in-repos.html

image
  • 3640 Views
  • 2 replies
  • 1 kudos
Latest Reply
Abhishek10745
New Contributor III
  • 1 kudos

Hello @chandan_a_v ,were you able to solve this issue?I am also experiencing the same thing where i cannot move file with extension .yml from repo folder to shared workspace folder.As per documentation, this is the limitation or functionality of data...

  • 1 kudos
1 More Replies
zero234
by New Contributor III
  • 1495 Views
  • 1 replies
  • 0 kudos

Delta live table is inserting data multiple times

So I have created a delta live table Which uses spark.sql() to execute a query And uses df.write.mode(append).insert intoTo insert  data into the respective table And at the end i return a dumy table Since this was the requirement So now I have also ...

  • 1495 Views
  • 1 replies
  • 0 kudos
Latest Reply
jose_gonzalez
Databricks Employee
  • 0 kudos

whats your source? your sink is a delta table correct? how do you verify that there are no inserts happening? 

  • 0 kudos
Meshynix
by New Contributor III
  • 8476 Views
  • 6 replies
  • 0 kudos

Resolved! Not able to create external table in a schema under a Catalog.

Problem StatementCluster 1 (Shared Cluster) is not able to read the file location at "dbfs:/mnt/landingzone/landingzonecontainer/Inbound/" and hence we are not able to create an external table in a schema inside Enterprise Catalog.Cluster 2 (No Isola...

  • 8476 Views
  • 6 replies
  • 0 kudos
Latest Reply
Avi_Bricks
New Contributor II
  • 0 kudos

External table creation failing with error :- UnityCatalogServiceException:[RequestId=**** ErrorClass=INVALID_PARAMETER_VALUE] Unsupported path operation PATH_CREATE_TABLE on volume.Able to access and create files on external location.  

  • 0 kudos
5 More Replies
pshuk
by New Contributor III
  • 2151 Views
  • 1 replies
  • 0 kudos

run md5 using CLI

Hi,I want to run a md5 checksum on the uploaded file to databricks. I can generate md5 on the local file but how do I generate one on uploaded file on databricks using CLI (Command line interface). Any help would be appreciated.I tried running databr...

  • 2151 Views
  • 1 replies
  • 0 kudos
danial
by New Contributor II
  • 9326 Views
  • 3 replies
  • 1 kudos

Connect Databricks hosted on Azure, with RDS on AWS.

We have Databricks set up and running on Azure. Now we want to connect it with RDS (AWS) to transfer data from RDS to Azure DataLake using the Databricks.I could find the documentation on how to do it within the same cloud (Either AWS or Azure) but n...

  • 9326 Views
  • 3 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

Hi @Danial Malik​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so ...

  • 1 kudos
2 More Replies

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