cancel
Showing results for 
Search instead for 
Did you mean: 
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.
cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

shan_chandra
by Esteemed Contributor III
  • 7295 Views
  • 1 replies
  • 3 kudos

Resolved! Cannot reserve additional contiguous bytes in the vectorized reader (requested xxxxxxxxx bytes).

I got the below error when running a streaming workload from a source Delta table Caused by: java.lang.RuntimeException: Cannot reserve additional contiguous bytes in the vectorized reader (requested xxxxxxxxx bytes). As a workaround, you can reduce ...

  • 7295 Views
  • 1 replies
  • 3 kudos
Latest Reply
shan_chandra
Esteemed Contributor III
  • 3 kudos

This is happening because the delta/parquet source has one or more of the following:a huge number of columnshuge strings in one or more columnshuge arrays/map, possibly nested in each otherIn order to mitigate this issue, could you please reduce spar...

  • 3 kudos
Labels