16. Calculating Disk Space : Space Requirements for Sorts : Factors Affecting Sort Performance
 
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Factors Affecting Sort Performance
The use of multiple work locations does not generally affect overall sort performance.
In UNIX, the performance of very large sorts can be affected by the amount of available operating system cache memory. While most aspects of server performance are largely unaffected by the OS cache size, sorts employ the OS cache, as well as the Ingres DBMS Server DMF cache. Sorting time can sometimes be improved by configuring additional OS memory.