8.15. Memory-Related Tuneable Parameters

The following memory-related parameters may be tuned. These are found in the file /usr/conf/master.d/* on systems prior to HP-UX 11i v2. Starting with HP-UX 11i v2, this directory no longer exists and the kctune command is used to modify the parameters. Items marked with an asterisk (*) are discussed in more detail in Chapter 9, “Disk Bottlenecks” on page 253.

  • bufpages *

  • dbc_max_pct *

  • dbc_min_pct *

  • desfree

  • lotsfree

  • maxdsiz, maxdsiz_64bit

  • maxssiz, maxssiz_64bit

  • maxtsiz, maxtsiz_64bit

  • maxswapchunks

  • maxusers

  • minfree

  • msgmax, msgmnb

  • nbuf *

  • nclist

  • netmemmax

  • nfile *

  • ninode *

  • nproc

  • page_text_to_local

  • shmmax

  • strmsgsz

  • swapmem_on. Can be enabled to reduce the amount of swap space required for large memory systems (greater than 8 GB). ...

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