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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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Data + AI Summit 2024 - Data Engineering & Streaming

Forum Posts

Akash2
by Contributor
  • 966 Views
  • 0 replies
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Data Engineer Professional Exam Suspended

Hi team,I was giving my exam today and 40 minutes into the exam I was interrupted by the proctor to show the test area. The table had a guitar e string and an almost eaten apple. Nothing else was on the table. Then the proctor asked me to show the ro...

  • 966 Views
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dfoard
by New Contributor
  • 2532 Views
  • 0 replies
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ERROR: No matching distribution found for databricks-smolder

I'm trying to follow along with the blog post Gaining Insights Into Your HL7 Data With Smolder and Databricks-#1 of 3. I was able to finally get a jar file built from the repo using Java 17 and it successfully imports into the cluster. However, when ...

  • 2532 Views
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berserkersap
by Contributor
  • 8154 Views
  • 4 replies
  • 1 kudos

Resolved! How to update a SQL Server Table using JDBC or something else in Python/Pyspark ?

I need to update a SQL Server Table from Databricks notebook. Right now, I am trying to do this using JDBC. However, it seems we can only append or overwrite the table using the JDBC Connection.Query databases using JDBC - Azure Databricks | Microsof...

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Data Engineering
Databricks
SQL Server
Update
  • 8154 Views
  • 4 replies
  • 1 kudos
Latest Reply
diego_poggioli
Contributor
  • 1 kudos

Hi @berserkersap thanks for your answer. I was able to solve the problem in 2 ways:1) downgrading the Runtime version to 12.2 and then the installer of msodbcsql17 no longer failed (with the error Can't open lib 'ODBC Driver 17 for SQL Server' : file...

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3 More Replies
lstk
by New Contributor
  • 2325 Views
  • 2 replies
  • 1 kudos

Resolved! Job ID value out of range - Azure Logic App Connector

Hello everybody,i tried to build a Logic App Custom Connector following this one explanation. (https://medium.com/@poojaanilshinde/create-azure-logic-apps-custom-connector-for-azure-databricks-e51f4524ab27)Now i run in the following Problem and wante...

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  • 2325 Views
  • 2 replies
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Latest Reply
stefnhuy
New Contributor III
  • 1 kudos

Hey Lukas,I can totally relate to the frustration of encountering those confounding errors when building custom connectors in Azure Logic Apps. The "Job ID value out of range" issue can be quite perplexing, but fear not, for there's a solution on the...

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1 More Replies
MC8D
by New Contributor II
  • 1397 Views
  • 1 replies
  • 1 kudos

Foreign Catalog with Case Sensitive PostgreSQL

I am trying to query my postgresql read replica as a foreign catalog.I can sucessfuly test the connection.I can see the database names.The table names are auto populated correctly.However when I try to view or query a table, I get the following error...

  • 1397 Views
  • 1 replies
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Latest Reply
MC8D
New Contributor II
  • 1 kudos

Hi @Retired_mod I am able to query the pg_catalog database which has all lower case table names, so the connection is working.I am unable to query the tables in my "public" schema, as they have capitalization in the table names.If I query with no bac...

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viniaperes
by New Contributor II
  • 1864 Views
  • 0 replies
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Pass Databricks's Spark session to a user defined module

Hello everyone,I have a .py file (not a notebook) where I have the following class with the following constructor:class DataQualityChecker: def __init__(self, spark_session: SparkSession, df: DataFrame, quality_config_filepath: str) -> None: ...

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jgen17
by New Contributor II
  • 7545 Views
  • 2 replies
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Cluster library installation fails

Hello everyone,I get a weird error when installing additional libraries in my cluster.I have a predefined Databricks cluster (Standard_L8s_v2) as a Compute instance. I run pipelines on that cluster in Azure ADF. The pipeline consists several tasks. T...

  • 7545 Views
  • 2 replies
  • 0 kudos
Latest Reply
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Hello everyone,I get a weird error when installing additional libraries in my cluster.I have a predefined Databricks cluster (Standard_L8s_v2) as a Compute instance. I run pipelines on that cluster in Azure ADF. The pipeline consists several tasks. T...

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successhawk
by New Contributor II
  • 958 Views
  • 1 replies
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How can I provide read only access to the Admin console?

As a DevSecOps engineer, I want to provide Ops support personnel READ ONLY access to the admin console in my production workspaces, so that they can easily view non-secret configurations, such as user/group memberships/entitlements and workspace sett...

  • 958 Views
  • 1 replies
  • 1 kudos
Latest Reply
418971
New Contributor II
  • 1 kudos

Have you found out a solution for this?

  • 1 kudos
mgrave
by New Contributor II
  • 1834 Views
  • 2 replies
  • 2 kudos

Temporary table names are highlighted as syntax errors in SQL notebooks

See attached screenshot. In my SQL notebook, declare a temporary view:CREATE OR REPLACE TEMP VIEW tmp_table ASSELECT ...;SELECT count(*) FROM tmp_table; The code editor considers tmp_table is not a valid name in that latter SELECT. The reason is:Coul...

  • 1834 Views
  • 2 replies
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Latest Reply
Craig_
New Contributor III
  • 2 kudos

My temp views always show red as well.  Maybe it is something with our specific environment?I've also noticed, when browsing the catalog from within the notebook, the temp tables are listed but an error is thrown when you try to view the columns of t...

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1 More Replies
aerofish
by New Contributor III
  • 897 Views
  • 0 replies
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Structured streaming deduplication issue

Recently we are using structured streaming to ingest data. We want to use watermark to drop duplicated event. But We encountered some wired behavior and unexpected exception. Anyone can help me to explain what is the expected behavior and how should ...

Data Engineering
deduplication
streaming
watermark
  • 897 Views
  • 0 replies
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krocodl
by Contributor
  • 7617 Views
  • 11 replies
  • 3 kudos

OOM while loading a lot of data through JDBC

   public void bigDataTest() throws Exception { int rowsCount = 100_000; int colSize = 1024; int colCount = 12; String colValue = "'"+"x".repeat(colSize)+"'"; String query = "select explode(s...

Screenshot 2023-10-13 at 08.10.08.png Screenshot 2023-10-13 at 08.12.52.png
Data Engineering
JDBC
Out-of-memory
resource leaking
  • 7617 Views
  • 11 replies
  • 3 kudos
Latest Reply
-werners-
Esteemed Contributor III
  • 3 kudos

@Retired_modany idea?

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10 More Replies
StephanieAlba
by Valued Contributor III
  • 3378 Views
  • 2 replies
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When would you not want to use autoloader?

I am genuinely curious why would you ever not use Autoloader? I see it in one-off downloads of course. When you pull data from another platform, say Salesforce, is it better to append to a table without Autoloader? There must be cases I am missing. T...

  • 3378 Views
  • 2 replies
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Latest Reply
-werners-
Esteemed Contributor III
  • 0 kudos

Autoloader is pretty handy, but not open source.  That is one reason f.e.Another reason is f.e. if you cannot guarantee lexicographically generated files, or you do not want to use streaming, or you do not land your raw data into a data lake (read fr...

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Ruby8376
by Valued Contributor
  • 3138 Views
  • 3 replies
  • 1 kudos

Resolved! DATABRICKS TO AZ SQL??

Hi All,, quick question:Is this correct data flow pattern: Databricks -> Az SQL -> Tableau??Or does it have to go through ADLS: Databricks -> ADLS -> Az SQL - > Tableau? Also, is it better to leverage databricks lakehouse sql warehouse capability as ...

  • 3138 Views
  • 3 replies
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Latest Reply
-werners-
Esteemed Contributor III
  • 1 kudos

I would not call it 'better' per se.  A lakehouse is a more modern approach to a classic datawarehouse, using flexible distributed cloud compute, cheap storage and open file formats.If you have an existing environment, which works well, that is heavi...

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andr3s
by New Contributor II
  • 31697 Views
  • 3 replies
  • 2 kudos

SSL_connect: certificate verify failed with Power BI

Hi, I'm getting this error with Power BI:Any ideas?Thanks in advance,Andres

Screenshot 2023-05-19 154328
  • 31697 Views
  • 3 replies
  • 2 kudos
Latest Reply
andr3s
New Contributor II
  • 2 kudos

Hi Harrison, thanks for the reply. We have sorted the issue a few days later but forgot to reply to your answer. There had been some changes on the security set-up that affected our connectivity to Databricks from all clients.

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2 More Replies

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