Memory tuning in Informix

You can alter the following ONCONFIG parameters to tune memory in an IBM Informix database:

• BUFFERPOOL
• LOCKS
• LOGBUFF
• PHYSBUFF
• RESIDENT
• SHMTOTAL
• SHMVIRTSIZE
• SHMADD
• CLEANERS
• RA_PAGES
• RA_THRESHOLD

For an explanation of and suggested settings for these parameters, see the IBM Informix Dynamic Server Administrator's Guide and the IBM Informix Performance Guide.