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Connect with fellow community members to discuss general topics related to the Databricks platform, industry trends, and best practices. Share experiences, ask questions, and foster collaboration within the community.
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Forum Posts

DB_learn
by New Contributor II
  • 1554 Views
  • 2 replies
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Mosaic library not supported in db13 and unity catalog

I want to use gepatial functions which uses mosaic library. How can I use it without using mosaic library and import functions available ?Example st_aswkt

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Latest Reply
sean_owen
Databricks Employee
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You have a syntax error there indeed - extra parenthesis.

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dbx_687_3__1b3Q
by New Contributor III
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  • 1 replies
  • 2 kudos

Using Azure Event Grid for structured streaming

Can anyone point me to any Databricks documentation (or other resources) for configuring structured streaming to use Azure Event Grid for a source/sink? I found examples for Kafka and EventHubs but Azure Event Grid is different than Azure Event Hubs....

  • 5855 Views
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dbx_687_3__1b3Q
New Contributor III
  • 2 kudos

I must be missing something. I don't see how the examples in the referenced document can be applied to Azure Event Grid.Is there another example that shows how to subscribe to an Event Grid topic?

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190857
by New Contributor II
  • 920 Views
  • 1 replies
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sql end point and jdbc driver

When we try and connect to a sql warehouse endpoint with the databricks jdbc driver our query is failing if we use first_value().  We've rewritten the query to use limit 1, but we would like to understand if this is a gap in the simba/databricks driv...

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190857
New Contributor II
  • 0 kudos

A sample error message when using first_value() is:An error occurred while calling o132.csv. [Databricks][JDBC](10140) Error converting value to BigDecimal.

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sirishavemula20
by New Contributor III
  • 1076 Views
  • 1 replies
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Databricks certified Data engineer Associate exam got suspended_need immediate help(10/09/2023)

Hi team,I've scheduled my exam on 10th September,2023 at 15:15hrs Asia Calcutta timing but my exam got suspended stating no proper environment by the proctor.Please check this issue as I didn't attempt one single question too, this is not fair as I l...

  • 1076 Views
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Latest Reply
APadmanabhan
Databricks Employee
  • 0 kudos

Hi @sirishavemula20 We have addressed the case. If the issue is not resolved, please reply back to the case notes.

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drii_cavalcanti
by New Contributor III
  • 461 Views
  • 0 replies
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Hive Metastore permission on DBX 10.4

I've been working on creating a schema in the Hive Metastore using the following command:spark.sql(f'CREATE DATABASE IF NOT EXISTS {database}')The schema or database is successfully created, but I encountered an issue where it's only accessible for m...

Community Platform Discussions
clusters
hive_metastore
legacy
permission
  • 461 Views
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gilo12
by New Contributor III
  • 2959 Views
  • 2 replies
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Change default catalog

It seems that when I am connecting to Databricks Warehouse, it is using the default catalog which is hive_metastore. Is there a way to define unity catalog to be the default?I know I can run the queryUSE CATALOG MAINAnd then the current session will ...

  • 2959 Views
  • 2 replies
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Latest Reply
Jon-ton
New Contributor II
  • 1 kudos

Thanks Brian2. Is there an equivalent config parameter for a SQL Warehouse?

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fazlu_don23
by New Contributor III
  • 421 Views
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ronaldo is back

create table SalesReport(TerritoryName NVARCHAR(50), ProductName NVARCHAR(100), TotalSales DECIMAL(10,2), PreviousYearSales DECIMAL(10,2), GrowthRate DECIMAL(10,2));  create table ErrorLog( ErrorID int, ErrorMessage nvarchar(max),ErrorDate datetime);...

  • 421 Views
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alesventus
by Contributor
  • 860 Views
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Save dataframe to the same variable

I would like to know if there is any difference if I save dataframe during tranformation to itself as first code or to new dataframe as second example.Thankslog_df = log_df.withColumn("process_timestamp",from_utc_timestamp(lit(current_timestamp()),"E...

  • 860 Views
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Mohsen
by New Contributor
  • 1690 Views
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iceberg

Hi fellasi am working on databricks using icebergat first i have configured my notebook as belowspark.conf.set("spark.sql.catalog.spark_catalog","org.apache.iceberg.spark.SparkCatalog")spark.conf.set("spark.sql.catalog.spark_catalog.type", "hadoop")s...

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olegmir
by New Contributor III
  • 1462 Views
  • 1 replies
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Resolved! threads leakage when getConnection fails

Hi,we are using databricks jdbc https://mvnrepository.com/artifact/com.databricks/databricks-jdbc/2.6.33it seems like there is a thread leakage when getConnection failscould anyone advice?can be reproduced with @Test void databricksThreads() {...

  • 1462 Views
  • 1 replies
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Latest Reply
olegmir
New Contributor III
  • 1 kudos

Hi,none of the above suggestion will not work...we already contacted databricks jdbc team, thread leakage was confirmed and was fixed in version 2.6.34https://mvnrepository.com/artifact/com.databricks/databricks-jdbc/2.6.34this leakage still exist if...

  • 1 kudos
priyakant1
by New Contributor II
  • 796 Views
  • 1 replies
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Suspension of Data Engineer Professional exam

Hi Databricks TeamI had scheduled my exam on 6th sep 2023, during exam same pop up came up, stating that I am looking in some other direction. I told them that my laptop mouse is not working properly, so I was looking at it. But still they suspended ...

  • 796 Views
  • 1 replies
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Latest Reply
sirishavemula20
New Contributor III
  • 0 kudos

Hi @priyakant1 ,Have you got any response from the team, like did they reschedule your exam?

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sirishavemula20
by New Contributor III
  • 2145 Views
  • 1 replies
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My exam has suspended , Need help Urgently (21/08/2023)

Hello Team,I encountered Pathetic experience while attempting my 1st DataBricks certification. Abruptly, Proctor asked me to show my desk, after showing he/she asked multiple times.. wasted my time and then suspended my exam.I want to file a complain...

  • 2145 Views
  • 1 replies
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Latest Reply
sirishavemula20
New Contributor III
  • 0 kudos

Sub: My exam Datbricks Data Engineer Associate got suspended_need immediate help please (10/09/2023)I encountered Pathetic experience while attempting my DataBricks Data engineer certification. Abruptly, Proctor asked me to show my desk, after showin...

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Policepatil
by New Contributor III
  • 2523 Views
  • 1 replies
  • 1 kudos

Resolved! Records are missing while filtering the dataframe in multithreading

 Hi, I need to process nearly 30 files from different locations and insert records to RDS. I am using multi-threading to process these files parallelly like below.   Test data:               I have configuration like below based on column 4: If colum...

Policepatil_0-1694077661899.png
  • 2523 Views
  • 1 replies
  • 1 kudos
Latest Reply
sean_owen
Databricks Employee
  • 1 kudos

Looks like you are comparing to strings like "1", not values like 1 in your filter condition. It's hard to say, there are some details missing like the rest of the code and the DF schema, and what output you are observing.

  • 1 kudos
VMeghraj
by New Contributor II
  • 1346 Views
  • 1 replies
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Increase cores for Spark History Server

By default SHS uses spark.history.fs.numReplayThreads = 25% of avaliable cores (Number of threads that will be used by history server to process event logs)How can we increase the number of cores for Spark History Server ?

  • 1346 Views
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By default SHS uses spark.history.fs.numReplayThreads = 25% of avaliable cores (Number of threads that will be used by history server to process event logs)How can we increase the number of cores for Spark History Server ?

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