Adjust the Kernel Parameters

You may need to change some HP-UX kernel parameters to run SAP Sybase IQ.

To adjust the kernel parameters, invoke the HP System Management Homepage (SMH), set the parameters (see the table), then reboot your system.

Suggested Itanium kernal parameters

Parameter

HP-UX 11.31

STRMSGSZ

0

bufpages

n/a

max_thread_proc

4096

maxfiles

2048

maxfiles_lim

2060

maxswapchunks

n/a

maxusers

n/a

nfile

n/a

nkthread

8416

sema

n/a

semmap

n/a

semmni

7082

semmns

14164

shmmax

2147483647 (0X7FFFFFFF)

swapmem_on

0

unlockable_mem

n/a

maxdsiz_64bit

17179869184 (0x400000000)

maxrsessiz_64bit

1073741824

maxssiz_64bit

1073741824

maxtsiz_64bit

4294967296 (0x100000000)

Note:
  • Set the swapmem_on to 0 to minimize paging and deactivation activity.

  • Increase the maxswapchunks parameter to raise the configurable swap space limit beyond the default.

Related concepts
Check for Operating System Patches
Increase the Swap Space
License Server Requirements
Verify Network Functionality