How to solve the issue of table space not being release…
After data is deleted, the tablespace will not be immediately released because DB2 uses a mechanism called deferred space release to improve performance. This allows DB2 to retain information about the released space after data deletion in order to efficiently reuse that space in the future.
To free up space in the tablespace immediately, you can perform the following actions:
- Use the following command to force DB2 to immediately release space:
- Reduce the size of the tablespace named
. - This will compel DB2 to release the space of deleted data in the table space.
- If there are multiple tables in the table space, you can also use the following command to reorganize the table space to free up space.
- Reorganize the tablespace named
. - This will reorganize tables in the tablespace and reallocate space, freeing up space for deleted data.
Please note that the above operation may impact the performance of the database, so please make sure to have appropriate backups and testing done before execution.
In addition, delayed space release is an optimization feature of DB2 that typically does not have a significant impact on database performance. If your table space keeps growing and the space utilization is high, you may need to consider increasing the size of the table space or regularly performing maintenance operations to free up space.