How To Fix D3189 - Database objects that are growing in number of extents

D3189 - Overview

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 189

• Message text: Database objects that are growing in number of extents

Self-Explanatory Message

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D3189 - Details

• The SAP error message D3189 indicates that a database object (such as a table or index) is growing in the number of extents. An extent is a contiguous block of storage space allocated for a database object. When a database object exceeds a certain size, it may require additional extents, which can lead to performance issues and fragmentation.
  
  Cause:
  
  High Volume of Data: The primary cause of this error is that the database object is experiencing a high volume of data inserts or updates, leading to the allocation of additional extents.
  Improper Sizing: The initial size of the database object may have been set too small, causing it to grow rapidly and require more extents.
  Fragmentation: Over time, as data is deleted or updated, fragmentation can occur, leading to inefficient use of space and increased extent allocation.
  Database Configuration: The database configuration settings, such as the extent size or growth settings, may not be optimal