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A
B
C
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H
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K
L
M
N
O
P
Q
R
S
T
U
V
W
X
sadc (System Activity Data Collector)
sar(ADM)
-b,
``Identifying disk I/O-bound systems''
,
``Increasing disk I/O throughput by increasing the buffer cache size''
,
``Increasing memory by reducing the buffer cache size''
,
``Viewing buffer cache activity''
,
``Case study: memory-bound software development system''
-B
-c
-d,
``Identifying disk I/O-bound systems''
,
``Viewing disk and other block I/O activity''
,
``Case study: memory-bound software development system''
enabling for use
-g
-h
-L
-m
-n,
``Reducing disk I/O by increasing the size of the namei cache''
,
``Viewing namei cache activity''
,
``Identifying disk I/O-bound systems''
-O
-p,
``Viewing swapping and paging activity''
,
``Identifying memory-bound systems''
-q,
``Examining the run queue''
,
``Viewing swapping and paging activity''
,
``Case study: memory-bound software development system''
-r,
``Identifying memory-bound systems''
,
``Viewing swap space usage''
,
``Viewing physical memory usage''
,
``Case study: memory-bound software development system''
-S,
``Tuning the number of SCSI disk request blocks''
,
``Kernel parameters that you can change using configure''
system activity reporter
-u,
``Tuning LAN Manager Client Filesystem performance''
,
``Viewing CPU activity''
,
``Tuning NFS performance''
-v,
``Kernel parameters that you can change using configure''
,
``Kernel parameters that you can change using configure''
,
``Kernel parameters that you can change using configure''
,
``Reducing disk I/O by increasing the size of the namei cache''
,
``Investigating memory usage by system tables''
-w,
``Viewing swapping and paging activity''
,
``Case study: memory-bound software development system''
-y
scaling, perfect
scall/s field, sar -c
scatter-gather buffer headers, used by system
scatter-gather buffers
number set using NMPBUF
tuning number of
used by system
sched
daemon
heavy activity by
scheduler, purpose of
scheduling
cache affinity
cache_affinity variable
dopricalc variable
fixed-priority
loadbalance variable
load balancing
of processes
preemption variable
primove variable
priority calculations
screen saver
SCRNMEM
SCSI disk request blocks, tuning
SCSI disks
request queue
tuning number of request blocks
sdevice file, entry for sleeper driver
sdmabuf/s field, sar -h
SDSKOUT,
``SCSI disk driver request queue''
,
``Kernel parameters that you can change using configure''
SECCLEARID
SECLUID
SECSTOPIO
security
disabling C2 features
kernel parameters
SEMAEM
semaphores
kernel parameters
POSIX.1b
System V
used by database
using
viewing activity of
sema/s field, sar -m
SEMMAP
SEMMNI
SEMMNS,
``Viewing IPC activity''
,
``Kernel parameters that you can change using configure''
SEMMNU
SEMMSL
SEM_NSEMS_MAX,
``Viewing IPC activity''
,
``Kernel parameters that you can change using configure''
SEMOPM
SEMUME
SEMVMX
send window size
adjusting
setting for each interface
Sequenced Packet Exchange, SPX
serial I/O
device driver
tuning
server types
setconf(ADM)
SGID bits
shared memory
by CPUs
kernel parameters,
``Kernel parameters that you can change using configure''
,
``Kernel parameters that you can change using configure''
used by databases
using
shell layers, setting number of
SHMMAX,
``Viewing IPC activity''
,
``Kernel parameters that you can change using configure''
SHMMIN
SHMMNI,
``Viewing IPC activity''
,
``Kernel parameters that you can change using configure''
sio, serial driver
sleeper driver,
``Case study: semaphore activity on a database server''
,
``Viewing IPC activity''
,
``Case study: semaphore activity on a database server''
SLIP, performance tuning
slpcpybufs/s field, sar -B
spin locks
split job
SPTMAP
spurious interrupts
SPX (Sequenced Packet Exchange)
sread/s field, sar -c
stack, region
static shared libraries
stopio(S)
STRCTLSZ
strd, daemon
stream head
stream heads
configuring number of,
``STREAMS resources''
,
``Kernel parameters that you can change using configure''
structures
STREAMS
applications using
buffer splitting
configuring number of pipes
kernel parameters,
``Kernel parameters that you can change using configure''
,
``Kernel parameters that you can change using configure''
maximum size of message buffers
message buffers
message header
messages,
``STREAMS resources''
,
``STREAMS resources''
monitoring use
multiplexer links
performance tuning
too few stream heads
STREAMS message, control portion
STREAMS modules
kernel parameters
number on stream
STREAMS pipes, configuring number of
string: Configuration buffer full
strinit - Cannot alloc STREAMS table
striped disks
STRMAXBLK,
``STREAMS resources''
,
``Kernel parameters that you can change using configure''
STRMSGSZ
stropen - Out of streams
STRSPLITFRAC,
``STREAMS resources''
,
``Kernel parameters that you can change using configure''
stune file
subnets
SUDS library
AIO
semaphores
spin locks and latches
SUID bits
supplemental groups, limiting
swap(ADM)
-l,
``Viewing swap space usage''
,
``Case study: memory-bound software development system''
using
swap area
adding
deleting
examining usage of
size of
unused disk blocks in
used by system
swapdel - Total swap area too small
swappable pages wanted
swapper daemon, sched
swapping
activity
affecting I/O throughput
consuming CPU resources
heavy activity
indicating memory shortage
kernel parameters
memory
used by system
viewing activity of
swap queue
activity on
used by system
viewing occupancy of
viewing size of
%swpocc field, sar -q,
``Viewing swapping and paging activity''
,
``Case study: memory-bound software development system''
swpot/s field, sar -w
swpq-sz field, sar -q,
``Viewing swapping and paging activity''
,
``Case study: memory-bound software development system''
swrit/s field, sar -c
synchronous I/O
synchronous writes, configuring on NFS server
%sys field, sar -u
system, increasing reliability of
system activity, per command
System Activity Data Collector, sadc
system activity recording, enabling
system calls
excessive number of,
``Identifying excessive read and write system call activity''
,
``Case study: semaphore activity on a database server''
investigating activity of
number of characters read
number of characters written
number of execs
number of forks
number of reads
number of writes
reducing
total number of
system mode, operating system state
system name
system resources, kernel,
``Using idtune to reallocate kernel resources''
,
``Using configure to change kernel resources''
system tables, viewing
SZ field, ps -el
© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003