How To Fix DB6PM432 - High-water mark reduction has been started for tablespace &1

DB6PM432 - Overview

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 432

• Message text: High-water mark reduction has been started for tablespace &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM432 - High-water mark reduction has been started for tablespace &1 ?

  The SAP error message DB6PM432 indicates that a high-water mark reduction process has been initiated for a specific tablespace in the database. This message is typically related to database management and performance optimization, particularly in environments using Oracle or other relational database management systems.
  
  Cause:
  The high-water mark (HWM) in a database refers to the maximum extent of data that has been allocated in a tablespace. When a tablespace has a lot of unused space, the database may initiate a high-water mark reduction to reclaim that space and improve performance. The cause of this message can include:
  
  Excessive Fragmentation: Over time, as data is inserted, updated, and deleted, tablespaces can become fragmented, leading to inefficient use of space.
  Large Deletions: If a significant amount of data has been deleted from a tablespace, the high-water mark may not automatically adjust, leading to the need for a reduction process.
  Database Maintenance: Regular maintenance tasks, such as reorganizing