How to calculate the size of a temporary tablespace in db2?

The size of the DB2 temporary tablespace should be calculated based on the actual business scenario and requirements. Generally, you can calculate the size of the temporary tablespace using the following steps:

1. Determine the size of the temporary table: Based on the actual business needs and the amount of data in the temporary table, you can estimate the size of each temporary table.
2. Determine the number of temporary tables: By calculating the total size of temporary table space based on the number of temporary tables used in the system.
3. Consider buffer size: It is also important to take into account the buffer size required when creating temporary tables to ensure system stability and performance.
4. Consider system load and performance requirements: Determine the size of temporary tablespace based on the system’s load situation and performance requirements to ensure smooth operation of the system.

In summary, calculating the size of the DB2 temporary table space requires considering various factors such as the size and quantity of temporary tables, buffer pool size, system load, and performance requirements. Taking all these factors into account, determine an appropriate size for the temporary table space based on the actual circumstances.