The statdump value governs how often this is done. These govern at what interval the action is performed. Hourly will perform the action hourly, daily will perform the action daily, etc. Dbserver has various options to retain debugging information. Set the value to 1 to enable portfolio debugging.
Same values are true for core debugging.
This parameter governs the way that a core file is produced. Setting it to 1 allows the server to clean up processes before producing a core file. Setting the value to zero will produce the core file without cleaning up processes first. For Windows NT, this provision allows a user to enter the debugging program when a fatal error occurs. Setting the value of 1 displays the IP address of the user connecting to the server.