Installation guide

Table 5–1: Tunable param.c File Entries
Parameter Default Value Configuration File
Equivalent
autonice 0 Set to 1 if
AUTONICE defined
bufcache 3 bufcache
bufhsz 512 None
hz 100 CLOCKS_PER_SEC None, defined in
<machine/ mach
time.h>
create_fastlinks 1 None
inohsz 512 None
maxuprc 64 maxuprc
maxuthreads 256 maxuthreads
maxusers system dependent maxusers
ncallout 36+8*maxuser+threadmax maxcallouts
nchsize NVNODE*11/10 None
nchsz 128 None
nclist 120 if clist ptys (pseudo-device pty
#) are configured, the default
value is 60+12*maxusers
nclist
ndquot NVNODE+(MAXUSERS *
NMOUNT/4
None
nmount_max 256 None
nquota (MAXUSERS*9)/7+3 None
nvnode NPROC+(2*MAXUSERS)+128 None
open_max_hard 4096 None
open_max_soft 4096 None
path_num_max 64 None
port_hash_max_num 50*(6*threadmax+2000) Based on
threadmax
port_max_num 6*threadmax+2000 Based on
threadmax
port_reserved_max_num 6*threadmax+2000 Based on
threadmax
Configuring the Kernel 5–31