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Forum Posts

Gopal269673
by Contributor
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  • 11 replies
  • 8 kudos

Resolved! Facing issues in running the converted code in spark sql framework with 5 to 10 percent volume of prod data. Need help in solving this and suggestions required.

Hi All.. Need your help in this issue what i am facing. Currently we are using data bricks as a platform to build pipeline and execute our talend ETL sqls converted into the spark sql framework as we were facing issues in loading the history data int...

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  • 11 replies
  • 8 kudos
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Gopal269673
Contributor
  • 8 kudos

@All Users Group​  Metrics stats also attached here.Thanks.

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JRT5933
by New Contributor III
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  • 4 replies
  • 6 kudos

Resolved! GOLD table slowed down at MERGE INTO

Howdy - I recently took a table FACT_TENDER and made it into a medalliona tyle TABLE to test performance since I suspected medallion would be quicker. Key differences: Both tables use bronze dataoriginal has all logic in one long notebookMERGE INTO t...

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JRT5933
New Contributor III
  • 6 kudos

I ended up instituing true and tried PARTITIONING and PRUNING methods to boost performance, which has succeeded.

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sedat
by New Contributor II
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  • 2 replies
  • 2 kudos

Hi, is there any document for databricks about performance tuning and reporting?

Hi, I need to analyse performance issues for databricks. Is there any document or monitoring tool to run to see what is happening in databricks? I am very new in databricks. Best

  • 1139 Views
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Nhan_Nguyen
Valued Contributor
  • 2 kudos

You could try some courses in "https://customer-academy.databricks.com/"What's New In Apache Spark 3.0Optimizing Apache Spark on Databricks

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isaac_gritz
by Valued Contributor II
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  • 4 replies
  • 2 kudos

Performance Tuning Best Practices

Recommendations for performance tuning best practices on DatabricksWe recommend also checking out this article from my colleague @Franco Patano​ on best practices for performance tuning on Databricks.​Performance tuning your workloads is an important...

Performance Tuning Framework.png
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isaac_gritz
Valued Contributor II
  • 2 kudos

Let us know in the comments if you have any other performance tuning tips & tricks

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User16826992666
by Valued Contributor
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  • 1 replies
  • 0 kudos

Resolved! What should I be looking for when evaluating the performance of a Spark job?

Where do I start when starting performance tuning of my queries? Are there particular things I should be looking out for?

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Srikanth_Gupta_
Valued Contributor
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Few things on top of my mind.1) Check Spark UI and check which stage is taking more time.2) Check for data skewing3) Data skew can severely downgrade performance of queries, Spark SQL accepts skew hints in queries, also make sure to use proper join h...

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