The Manager → <Admin Domain Name> → Maintenance → Database Tuning options provide actions for enabling you to schedule or initiate tuning of the database.
Trellix recommends tuning your database once per month at a minimum. For optimal performance, tuning once a week provides best results.
Tip
Ensure at any point of time the free space available in the database directory is at least one and a half times that of the maximum size occupied by a table (generally Event Tables and Trend Tables).