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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

Ajay-Pandey
by Esteemed Contributor III
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Support of running multiple cells at a time in databricks notebook Hi all,Now databricks notebook supports parallel run of commands in a single notebo...

Support of running multiple cells at a time in databricks notebookHi all,Now databricks notebook supports parallel run of commands in a single notebook that will help run ad hoc queries simultaneously without creating a separate notebook.Once you run...

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  • 5 replies
  • 5 kudos
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SunilUIIT
New Contributor II
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Hi Team,I am observing that the functionality is not working as expected in the Trial workspace of Databricks. Is there a setting that needs to be enabled to allow independent SQL cells in a Databricks notebook to run in parallel, while dependent cel...

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Robbie
by New Contributor III
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  • 2 kudos

How can I avoid this 'java.sql.SQLException: Too many connections' error?

I'm having difficulty with a job (parent) that triggers multiple parallel runs of another job (child) in batches (e.g. 10 parallel runs per batch).Occasionally some of the parallel "child" jobs will crash a few minutes in-- either during or immediate...

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Hubert-Dudek
Esteemed Contributor III
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It is MariaDB JDBC error so probably database which you are trying to connect can not handle this amount of concurrent connections (alternatively if you are not connecting to MariaDB databse, MariaDB is used also for hive metastore in your case maria...

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