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  1. Take a backup of the running database. 
  2. Set up the database dump in a test environment and test it for any issues.

    Tip

    Tip: We recommend that you test the database dump before the cleanup task as the cleanup can take some time.

  3. Depending on your database, select the appropriate token cleanup script from here and run it on the database dump. This takes a backup of the necessary tables, turns off SQL updates and cleans the database of unused tokens.

  4. Once the cleanup is over, start the WSO2 Identity Server pointing to the cleaned-up database dump and test thoroughly for any issues. 
    You can also schedule a cleanup task that will be automatically run after a given period of time. Here's an example:

    Localtab Group
    Localtab
    activetrue
    titleMySQL
    Code Block
    USE 'WSO2IS_DB';
    DROP EVENT IF EXISTS 'cleanup_tokens_event';
    CREATE EVENT 'cleanup_tokens_event'
        ON SCHEDULE
          EVERY 1 WEEK STARTS '2015-01-01 00:00.00'
        DO
          CALL WSO2IS_DB.WSO2_TOKEN_CLEANUP_SP();
    
    -- 'Turn on the event_scheduler'
    SET GLOBAL event_scheduler = ON;
    Localtab
    titleSQL Server
    Code Block
    USE WSO2IS_DB ;  
    GO  
    -- Creates a schedule named CleanupTask.   
    -- Jobs that use this schedule execute every day when the time on the server is 01:00.   
    EXEC sp_add_schedule  
        @schedule_name = N'CleanupTask' ,  
        @freq_type = 4,  
        @freq_interval = 1,  
        @active_start_time = 010000 ;  
    GO  
    -- attaches the schedule to the job BackupDatabase  
    EXEC sp_attach_schedule  
       @job_name = N'BackupDatabase',  
       @schedule_name = N'CleanupTask' ;  
    GO