You need to adjust certain HP-UX kernel parameters to run Sybase IQ. Use the HP System Administration Manager (SAM) to change the parameters in the following table (Table 1-1). After you set these parameters, reboot your system.
To adjust the kernel parameters:
For HP-UX 11.31, invoke the HP System Management Homepage (SMH) to verify and set the parameters
For HP-UX 11.23, the HP System Administration Manager (SAM) allows you to verify and set these parameters.Use the Kernel Configuration submenu to change the parameters. Superuser or root privileges are generally required to run SAM.
Parameter |
HP-UX 11.23 |
HP-UX 11.31 |
|---|---|---|
STRMSGSZ |
0 |
0 |
bufpages |
n/a |
n/a |
max_thread_proc |
4096 |
4096 |
maxfiles |
2048 |
2048 |
maxfiles_lim |
2060 |
2060 |
maxswapchunks |
n/a |
n/a |
maxusers |
n/a |
n/a |
nfile |
20000 |
n/a |
nkthread |
8416 |
8416 |
sema |
n/a |
n/a |
semmap |
n/a |
n/a |
semmni |
7082 |
7082 |
semmns |
14164 |
14164 |
shmmax |
2147483647 (0X7FFFFFFF) |
2147483647 (0X7FFFFFFF) |
swapmem_on |
0 |
0 |
unlockable_mem |
10240 |
n/a |
maxdsiz_64bit |
17179869184 (0x400000000) |
17179869184 (0x400000000) |
maxrsessiz_64bit |
1073741824 |
1073741824 |
maxssiz_64bit |
1073741824 |
1073741824 |
maxtsiz_64bit |
4294967296 (0x100000000) |
4294967296 (0x100000000) |
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.
For HP-UX 11.23 Itanium, set the nkthread value greater than (nproc + 100).
