Document revision date: 19 July 1999

S
Schedulers
definition
Scheduling
real-time processes
round-robin #1
round-robin #2
states
compute (COM)
compute outswapped (COMO)
tuning
wait states
types of
SCS (System Communications Services)
Section files
See also Page caches
Semaphores
definition
MUTEX
SET FILES/GLOBAL_BUFFER=n DCL command
Shareable images
installing #1
installing #2
Solid-state disks
Spin locks
definition #1
definition #2
SUBMON.COM command procedure
Subprocesses
base priority
establishing values for
working set characteristics
Supervisor mode
Swapper #1
Swapper #2
definition
trimming #1
trimming #2
adjusting
alternative to swapping
analyzing when ineffective
disabling
dormant processes
first-level
memory reclamation
second-level
suspended processes
Swapping #1
Swapping #2
artificially induced
converting to system that rarely swaps
definition
effect on CPU resource
effect on disk subsystem
enabling for disk ACPs
files #1
files #2
I/O activity
inducing paging to reduce
See also Swap files
symptoms
analyzing
diagnosing
for disks
for large waiting process
harmful
SWPOUTPGCNT system parameter
swapping and swapper trimming #1
swapping and swapper trimming #2
SYSMWCNT system parameter
adjusting to curtail page thrashing
System disk
System Fault Rate
System parameters
adjusting page cache size #1
adjusting page cache size #2
changing #1
changing #2
System resources
definition #1
definition #2
SYSTEM_CHECK system parameter
T
Terminal operations
improper handling
in relation to CPU limitation
in relation to I/O limitation
Throughput rate
definition
Time slicing #1
Time slicing #2
between processes
Translation buffer
Tuning
definition #1
definition #2
evaluating
prerequisites
suggestions
when to stop
U
User mode
User programs
working set limits
V
VBN_CACHE_S system parameter
VBSs (virtual balance slots)
data reduction
direct I/O map
disabling
enabling
VBSS_ENABLE parameter
See VBSs
VBSS_ENABLE2 parameter
See VBSs
VCC_FLAGS system parameter
VCC_MAXSIZE system parameter
Virtual balance slots
See VBSs
Virtual I/O caches
adjusting size
caching policies
disabling
enabling
memory allocation
memory reclamation
objects
OpenVMS Cluster configurations
parameters
VBN_CACHE_S
VCC_FLAGS
VCC_MAXSIZE
statistics
Voluntary decrementing #1
Voluntary decrementing #2
disabling
oscillations
tuning
turning on
W
Wait states
HIB
involuntary
LEF
MWAIT #1
MWAIT #2
resource
RWAST
RWMBP
RWMPE
RWPGF
RWSWP
scheduling
types of
voluntary
Work load
distributing
knowing
managing
Working set count
definition
Working sets
adjusting
with AUTHORIZE
analyzing problems
characteristics
definition
determining when too large
discouraging loans when memory is scarce
displaying information
limits
default
guidelines
initial
obtaining information
paging
regions
size
specifying values
WORKSET.COM command procedure
using to obtain working set information
Write in Progress Fault Rate
WSMAX system parameter

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