How To Fix DB02123 - sort_are_retained_size. Size(KB) of post-sort PGA sort area.

DB02123 - Overview

• Message type: E = Error

• Message class: DB02 - For Oracle Component of the Database Monitor

• Message number: 123

• Message text: sort_are_retained_size. Size(KB) of post-sort PGA sort area.

Self-Explanatory Message

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DB02123 - Details

• The SAP error message DB02123, which refers to "sort_area_retained_size," typically indicates an issue related to the size of the Post-Sort Program Global Area (PGA) sort area in the database. This error can occur when the sort area allocated for database operations is insufficient for the tasks being performed, leading to performance issues or failures in executing queries that require sorting.
  
  Cause:
  
  Insufficient Sort Area Size: The size of the sort area allocated for sorting operations is too small to handle the data being processed.
  High Volume of Data: Large datasets being sorted can exceed the allocated sort area size.
  Database Configuration: The database parameters related to memory allocation for sorting may not be optimally configured.
  Concurrent Operations: Multiple concurrent operations requiring sorting can lead to contention for the available sort area.
  
  
  Solution:
  
  
  Increase Sort Area Size:
  
  Adjust the database configuration parameters to increase the size of the sort area. This can typically be done by modifying the sort_area_size