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A
access patterns
random
sequential
accounting
use to monitor resources
active page list
definition
displaying pages on
monitoring
adaptive RAID 3/5
definition
AdvFS
balancing volumes
configuration recommendations
consolidating I/O transfers
decreasing AdvFS cache size
decreasing I/O transfer read-ahead size
decreasing metadata buffer cache size
defragmenting file domain
disabling dirty mmapped page flushing
displaying extent map
displaying extent map
exercising
features
forcing synchronous writes
improving BMT performance
increasing AdvFS cache size
increasing dirty data caching
managing files with
managing files with
migrating files
modifying device queue limits
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring tools
moving transaction log
moving transaction log
preallocating BMT space
sizing BMT
striping files
tuning recommendations
tuning recommendations
using multiple-volume domains
using quotas
AdvfsAccessCleanupPercent attribute
definition
AdvfsAccessMaxPercent attribute
definition
AdvfsCacheMaxPercent attribute
definition
use to control AdvFS cache size
use to control AdvFS cache size
AdvfsFavorBlockingQueue attribute
definition
AdvfsMaxDevQLen attribute
definition
use to modify device queue limits
AdvfsMaxFragGrps attribute
definition
AdvfsMinFragGrps attribute
definition
AdvfsReadyQLim attribute
definition
use to control AdvFS dirty data caching
advfsstat command
use to display AdvFS performance statistics
use to display AdvFS performance statistics
AdvfsSyncMmapPages attribute
definition
use to disable dirty mmapped page flushing
advscan command
use to display file domain location
use to display file domain location
aio-max-num attribute
definition
aio-max-percent attribute
definition
aio-max-retry attribute
definition
aio-percpu-data attribute
definition
aio-retry-scale attribute
definition
aio-task-max-none attribute
definition
applications
allocating virtual address space to
characteristics
debugging
displaying CPU and memory statistics for
displaying resident set size
displaying virtual address space size
improving performance of
increasing address space for
increasing system resources for
monitoring CPU and memory usage
optimizing
prioritizing
profiling
profiling
profiling
profiling
profiling
profiling
profiling
profiling
profiling tools
reducing memory requirements
using granularity hints
using parallelism
using shared libraries
arptab-nb attribute
definition
asynchronous swap buffers
definition
definition
at command
use to optimize CPU usage
atom toolkit
use to profile applications
attributes
definition
displaying
displaying
list of
modifying
modifying
modifying
modifying
modifying run-time values
audit-buffer-size attribute
definition
audit-site-events attribute
definition
autonice attribute
definition
autonice-penalty attribute
autonice-time attribute
availability
buses
cluster interconnects
definition
definition
disks
disks
disks
disks
eliminating points of failure
failover
impact on performance
networks
networks
points of failure
points of failure
power
systems
systems
systems
systems
using a cluster
using LSM
using RAID
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B
balance command
use to move AdvFS files across volumes
bandwidth
definition
basic-dma-window-size attribute
definition
batch command
use to optimize CPU usage
BCL
See block-change logging
bdevsw_size attribute
definition
binlog-buffer-size attribute
definition
bio_stats structure
determining block miss rate
use to display metadata buffer cache statistics
use to display metadata buffer cache statistics
bitmap metadata table
See BMT
block-change logging
use to improve mirroring performance
BMT
definition
improving performance of
preallocating space for
sizing
booted_args attribute
definition
booted_kernel attribute
definition
bottleneck
definition
impact on performance
bufcache attribute
definition
use to control metadata buffer cache size
use to control metadata buffer cache size
use to control size of metadata buffer cache
buffer-hash-size attribute
definition
use to control hash chain table size
buses
availability
distributing I/O across
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C
cache access times
relative speeds
CAM
monitoring
tuning
cam_ccb_increment attribute
definition
use to tune CAM
cam_ccb_low_water attribute
definition
use to tune CAM
cam_ccb_pool_size attribute
definition
use to tune CAM
capacity
definition
impact on performance
cdevsw_size attribute
definition
chfile command
use to force AdvFS synchronous writes
chvol comand
use to control AdvFS dirty data caching
chvol command
use to colsolidate AdvFS I/O transfers
use to decrease I/O transfer read-ahead size
Class Scheduler
use to allocation CPU resources
clock-frequency attribute
definition
cluster
definition
interconnect availability
member systems
products
system support
use for system availability
Common Access Method
See CAM
configuration
choosing a system
definition
planning
planning
recommendations
steps
contig-malloc-percent attribute
definition
copy-on-write page fault
definition
cpu-enable-mask attribute
definition
CPUs
adding processors
allocating resources
improving performance of
internal caches
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
optimizing resources
scheduling jobs
specifying the lockmode
using the Class Scheduler
cpustat extension
use to report CPU statistics
use to report CPU statistics
create-fastlinks attribute
definition
cron command
use to optimize CPU usage
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D
dbx
use to debug kernels
use to display and modify run-time kernel variables
use to display kernel variables
use to display virtual memory statistics
use to modify run-time kernel variables
dbx print nchstats
use to display namei cache statistics
dbx print vm_perfsum
use to display UBC statistics
use to display virtual memory statistics
dcpi tool
use to profile systems
debugging tools
dbx
kdbx
ladebug
DECevent utility
use to diagnose performance problems
use to monitor system events
use to monitor system events
deferred swap mode
definition
defragment command
use to defragment AdvFS file domain
delay_wbuffers variable
use to delay write buffer flushing
device_switch_inited attribute
definition
device_switch_print attribute
definition
device_switch_stale attribute
definition
dfldsiz parameter
when to tune
dflssiz parameter
when to tune
dia command
use for event logging
disk partitions
managing disks with
disk quotas
use to limit disk usage
using AdvFS
using UFS
disks
availability
availability
availability
availability
defragmenting
distributing file systems across
distributing I/O across
exercising
managing with hardware RAID
managing with LSM
managing with LSM
managing with partitions
mirroring
monitoring
monitoring
monitoring
monitoring
monitoring commands
placing data on ZBR disks
striping
tuning recommendations
using high-performance
using Prestoserve
using quotas
using small platter sizes
using solid-state
using wide data paths
diskx exerciser
use to exercise disks
DMA
using for high performance
dma-sg-map-unload-zero attribute
modifying for AlphaServer 8200 and 8400
dump-sp-threshold attribute
definition
dump-user-pte-pages attribute
definition
dumpfs command
use to display UFS information
use to display UFS information
dxkerneltuner
use to display and modify attributes
use to display attributes
use to modify attributes
dxlsm
use to graphically display LSM statistics
use to graphically display LSM statistics
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E
enhanced-core-max-versions attribute
definition
enhanced-core-name attribute
definition
event logging
use to monitor system events
using DECevent utility
using dia
extent map
displaying
displaying
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F
failover
definition
fifo-do-adaptive attribute
definition
file domain
monitoring
monitoring
file system metadata
caching options
file systems
distributing across disks
exercising
exercising
managing with AdvFS
managing with AdvFS
tuning recommendations
tuning VFS
files
managing with AdvFS
managing with AdvFS
small files, handling many
filesets
monitoring
monitoring
monitoring
monitoring
fragment size
monitoring
monitoring
free page list
definition
displaying pages on
monitoring
fsx exerciser
use to test file systems
use to test file systems
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G
gh-chunks attribute
use to reserve shared memory
gh-fail-if-no-mem attribute
use to reserve shared memory
gh-min-seg-size attribute
use to reserve shared memory
give-boost attribute
definition
gprof command
use to profile applications
granularity hints
use to reserve shared memory
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H
hardware RAID
choosing a chunk size
configuration recommendations
definition
distributing disks across buses
features
installing spare disks
products
RAID level support
striping mirrored disks
using a write-back cache
using dual-redundant controllers
using same-capacity disks
using write-back cache
using write-back cache
See also RAID
high availability
See availability
hiprof
use to profile applications
See atom toolkit
host bus adapters
using DMA
using high-performance
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I
I/O clustering
checking cluster reads and writes
idle time
monitoring
monitoring
immediate swap mode
definition
inactive page list
definition
displaying pages on
inifaddr_hsize attribute
definition
use to improve IP lookups
inode-hash-size attribute
definition
inodes
reducing density of
Internet server
definition
interprocess communications
See IPC
interrupts
monitoring
iostat command
use to diplay disk and CPU usage
use to display CPU usage
use to display disk usage
IPC
description
monitoring
tuning
See also System V IPC
ipcs command
use to monitor IPC
use to monitor IPC
ipdefttl attribute
definition
ipdirected_broadcast attribute
definition
ipforwarding attribute
definition
ipfragttl attribute
definition
ipgateway attribute
definition
ipport_userreserved attribute
definition
use to increase concurrent ports
ipsendredirects attribute
definition
ipsrcroute attribute
definition
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J
job priority
adjusting to optimize CPU usage
job scheduling
use to optimize CPU usage
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K
kdbx
use to debug kernels
kernel
attributes
debugging
debugging tools
debugging tools
displaying variable values
modifying attributes
modifying parameters
modifying variables
profiling
reducing size of
reducing size of
kernel preemption, real-time
rt-preempt-opt attribute settings
kernel variables
displaying
modifying
using dbx to display and modify
kernel-stack-guard-pages attribute
definition
kmem_debug attribute
definition
kprofile utility
use to profile kernels
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L
ladebug
use to debug kernels and applications
large programs
See program size limits
latency
definition
lite-system attribute
definition
lockdebug attribute
definition
lockmaxcycles attribute
definition
lockmode
specifying for CPU
lockmode attribute
definition
locks
monitoring
monitoring
lockstat extension
displaying lock statistics
lockstats extension
use to display lock statistics
locktimeout attribute
definition
LSM
choosing a mirrored volume read policy
configuration recommendations
distributing database and log copies
distributing striped volume subdisks
features
grouping disks
increasing disks in a striped volume
increasing maximum volumes
increasing the page-out rate
increasing volinfo.max_io parameter
managing disks with
mirroring volumes across busses
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring events with volstat
monitoring events with volwatch
monitoring tools
RAID support
RAID support
sizing BCL subdisks
sizing private regions
sizing private regions
sizing rootdg
sizing stripe widths
tuning recommendations
use for disk availability
using a symmetrical configuration
using BCL subdisks
using block-change logging
using database and log copies
using mirrored volumes
using multiple BCL subdisks
using multiple plexes
using sliced disks
using solid-state disks for BCL subdisks
using striped volumes
using with hardware RAID
lsm_rootdev_is_volume attribute
definition
lsm_swapdev_is_volume attribute
definition
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M
malloc function
use to control memory usage
max-free-file-structures attribute
definition
max-ifq-length attribute
definition
max-iosize-read attribute
definition
max-iosize-write attribute
definition
max-kernel-ports attribute
definition
max-lock-per-thread attribute
definition
max-per-proc-address-space attribute
definition
max-per-proc-data-size attribute
definition
use to increase user data segment size
max-per-proc-stack-size attribute
definition
use to increase user address space
max-proc-address-size attribute
use to increase user address space
max-proc-per-user attribute
definition
use to increase number of processes
max-threads-per-user attribute
definition
use to increase number of threads
max-ufs-mounts attribute
definition
max-vnodes attribute
definition
use to increase number of open files
max-vol attribute
definition
use to increase number of LSM volumes
maxdsiz parameter
when to tune
maxssiz parameter
when to tune
maxusers attribute
definition
use to increase namei cache size
use to increase number of open files
use to increase system resources
max_callbacks attribute
definition
member systems
definition
Memory File System
See MFS
memory management
controlling paging and swapping
CPU cache access
effect of PAL code
increasing system resources
metadata buffer cache allocation
overview
paging
prewriting dirty pages
prewriting dirty pages
swap buffers
swapping
tracking pages
tuning the UBC
tuning the UBC
tuning virtual memory
types of caches
See also paging, swapping, UBC, virtual memory
memx exerciser
use to exercise memory
message-buffer-size attribute
definition
metadata buffer cache
decreasing size of
definition
increasing size of
increasing size of hash chain table
monitoring
monitoring
tuning recommendations
MFS
definition
increasing the number of mounts
migrate command
use to move AdvFS files
min-free-vnodes attribute
definition
use to cache more free vnodes
mirrored disks
definition
definition
use for availability
using hardware RAID
using LSM
monitoring tools
advfsstat command
advfsstat command
advscan command
advscan command
bio_stats structure
bio_stats structure
dbx
dbx print nchstats
dcpi tool
diskx exerciser
dumpfs command
dumpfs command
dxlsm
dxlsm
fsx exerciser
fsx exerciser
iostat command
ipcs command
LSM
LSM
netstat utility
netstat utility
networks
nfsstat utility
nfsstat utility
nfswatch command
ping command
ps
ps command
ps command
showfdmn utility
showfdmn utility
showfile utility
showfile utility
showfsets utility
showfsets utility
sobacklog_drops attribute
sobacklog_drops attribute
sobacklog_hiwat attribute
sobacklog_hiwat attribute
somaxconn_drops attribute
somaxconn_drops attribute
swapon command
sys_check utility
sys_check utility
tcpdump utility
traceroute command
ufs_clusterstats structure
ufs_clusterstats structure
uptime command
vmstat utility
volprint utility
volprint utility
volstat utility
volstat utility
voltrace utility
voltrace utility
volwatch script
volwatch script
w utility
xload command
Motif applications
compilation options
msg-max attribute
definition
definition
use to increase message size
msg-mnb attribute
definition
msg-mnb attribute (IPC)
definition
msg-mni attribute
definition
msg-mni attribute (IPC)
definition
msg-tql attribute
definition
use to increase message queue size
msg-tql attribute (IPC)
definition
msgbuf_size parameter
definition
multiprocessing
using
multiprocessor
definition
must-be-root attribute
definition
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N
name-cache-hash-size attribute
definition
use to increase hash chain table size
name-cache-size attribute
definition
use to control namei cache size
use to control namei cache size
namei cache
decreasing size of
increasing size of
increasing size of hash chain table
monitoring
monitoring
namei-cache-valid-time attribute
definition
use to control vnode deallocation
use to control vnode deallocation
ncallout attribute
definition
ncallout_alloc_size attribute
definition
nchstats structure
use to check namei cache
use to display namei cache statistics
nclist attribute
definition
netisrthreads attribute
definition
netstat utility
use to display network statistics
use to monitor networks
networks
allocating memory for UBC
availability
availability
decrease partial TCP timeout limit
decreasing TCP context timeout limit
decreasing the TCP retransmission rate
delaying TCP data acknowledgment
disabling use of a PMTU
enabling keepalive
hardware performance
improving IP lookups
improving TCP lookup rate
increasing concurrent ports
increasing TCP socket buffers
increasing the TCP segment size
increasing UDP socket buffers
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring
monitoring events with tcpdump utility
monitoring NFS servers
monitoring socket listen queue events
monitoring sockets
monitoring sockets
monitoring sockets
monitoring sockets
monitoring threads
monitoring tools
monitoring tools
querying remote systems
tuning recommendations
tuning recommendations
tuning socket listen queue
using NFS in slow
new-wire-method attribute
NFS
adjusting number of daemons
adjusting number of nfsiod daemons
decreasing timeouts
disabling write gathering
increasing number of threads
modifying cache timeout limits
monitoring
monitoring
monitoring
monitoring events with nfswatch
monitoring servers
tuning recommendations
tuning recommendations
using Prestoserve
using protocol version 3.0
nfs-flatten-mode attribute
definition
nfsd daemon
adjusting number of nfsd daemons
nfsiod daemon
adjusting number of daemons
nfsstat utility
use to display network and NFS statistics
use to monitor NFS
nfswatch command
use to monitor NFS events
use to monitor NFS server
nice command
use to decrease system load
use to optimize CPU usage
nmount attribute
definition
noadd-exec-access attribute
definition
nptys attribute
definition
nslip attribute
definition
nstrpush attribute
definition
num-of-sems attribute
definition
nvnode attribute
definition
nxprbufs attribute
definition
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O
old_obreak attribute
definition
open-max-hard attribute
definition
use to control open file descriptors
open-max-soft attribute
definition
use to control open file descriptors
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P
page
definition
page coloring
definition
page fault
definition
page in
monitoring
page lists
tracking
page out
monitoring
page table
definition
page-in page fault
definition
pageouts
definition
pages
distribution of
monitoring
reclaiming
tracking
paging
attributes
controlling rate of
definition
definition
definition
increasing threshold
monitoring
monitoring
reclaiming pages
reducing rate of
starting
threshold
threshold
PAL code
influence on memory management
parallelism
using in applications
parameters
definition
modifying
modifying
path-num-max attribute
definition
per-proc-address-space attribute
definition
use to increase user address space
per-proc-data-size attribute
definition
use to increase user data segment size
per-proc-stack-size attribute
definition
use to increase user address space
Performance Manager
use to monitor system events
use to monitor system events
Performance Visualizer
use to monitor cluster events
use to monitor cluster events
physical memory
definition
determining requirements for
distribution of
distribution of
reducing wired memory
reserving for shared memory
UBC
virtual memory
wired
physio_max_coalescing attribute
definition
ping command
use to query remote system
pipe-databuf-size attribute
definition
pipe-max-bytes-all-pipes attribute
definition
pipe-maxbuf-siz attribute
definition
pipe-single-write-max attribute
definition
pipes
pixie
use to profile applications
See atom toolkit
pmtu_decrease_intvl attribute
definition
pmtu_enabled attribute
definition
use to disable PMTU
pmtu_increase_intvl attribute
definition
pmtu_rt_check_intvl attribute
definition
points of failure
buses
cluster interconnects
disks
disks
eliminating
networks
power
systems
systems
port-hash-max-num attribute
definition
port-reserved-max-num attribute
definition
power
availability
Prestoserve
prmetaonly attribute
use to cache only metadata
use to improve NFS performance
use to improve synchronous writes
prewriting dirty pages
controlling
use to improve performance
priorities
changing for applications
private-cache-percent attribute
definition
use to reserve cache memory
prmetaonly attribute
definition
use to cache only metadata
process management
max-proc-per-user attribute
prof command
use to profile applications
profiling tools
atom toolkit
gprof
hiprof
kprofile utility
pixie
prof
third
uprofile utility
program size limits
how to adjust
ps command
use to display CPU and memory usage
use to display idle threads
use to display process information
use to display thread information
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R
RAID
definition
managing storage with
product features
system support of
use for disk availability
using LSM
RAID 0
definition
RAID 1
definition
RAID 3
definition
RAID 5
definition
RAID levels
definition
definition
random access patterns
definition
raw I/O
definition
real-time interprocess communication
pipes and signals
real-time kernel preemption
rt-preempt-opt attribute settings
redundancy
definition
multiple levels
use for availability
reliability
definition
resident set
definition
displaying size of
rotational latency
definition
round-robin-switch-rate attribute
definition
rt-preempt-opt attribute
definition
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S
sb_max attribute
definition
scalability
definition
definition
sched-min-idle attribute
definition
seek time
definition
sem-aem attribute
definition
definition
sem-mni attribute
definition
definition
sem-msl attribute
definition
definition
sem-opm attribute
definition
definition
sem-ume attribute
definition
definition
sem-vmx attribute
definition
definition
semaphore attributes
list of
sequential access patterns
definition
set-max-num attribute
definition
shared memory
exercising
reserving memory for
shared memory segments
tuning
shm-max attribute
definition
definition
use to increase shared memory region size
shm-min attribute
definition
definition
shm-mni attribute
definition
definition
shm-seg attribute
definition
definition
use to increase number of attached shared memory regions
shmx exerciser
use to exercise shared memory
short page fault
definition
showfdmn utility
use to display file domain and volume statistics
use to display file domain and volumestatistics
showfile utility
use to display AdvFS file information
use to display AdvFS file information
showfsets utility
use to display fileset information
use to display fileset information
signals
sigqueue-max-num attribute
definition
SMP
cpu-enable-mask attribute settings
definition
snmp_devs attribute
definition
sobacklog_drops attribute
definition
use to monitor sockets
use to report socket information
use to report socket information
sobacklog_hiwat attribute
definition
use to monitor sockets
use to report socket information
use to report socket information
sockets
monitoring
monitoring
monitoring
monitoring
software RAID
See LSM
solid-state disks
definition
somaxconn attribute
definition
use to tune socket listen queue
somaxconn_drops attribute
definition
use to monitor sockets
use to report socket information
use to report socket information
sominconn attribute
definition
use to tune socket listen queue
special-vnode-alias-tbl-size attribute
definition
ssm-enable-core-dump attribute
definition
ssm-threshold attribute
definition
use to control shared page tables
stack size
increasing
storage subsystems
definition
impact on performance
streams
striping
definition
using hardware RAID
using LSM
striping files
using AdvFS
strmsgsz attribute
definition
subnetsarelocal attribute
definition
swap I/O requests, asynchronous
vm-asyncswapbuffers attribute
swap I/O requests, synchronous
vm-syncswapbuffers attribute
swap out
definition
swap space
adding with swapon
allocation modes
configuration recommendations
controlling I/O queue depth
controlling I/O queue depth
controlling I/O queue depth
determining requirements for
displaying
distributing
monitoring
monitoring
swapin
definition
swapon command
use to add swap space
use to monitor swap space
use to monitor swap space
use to monitor swap space
swapping
attributes
controlling rate of
controlling rate of
definition
definition
definition
enabling aggressive
impact on performance
reducing rate of
reducing rate of
specifying additional disk space for
starting
starting
stopping
threshold
switchlog command
use to move transaction log
symmetrical multiprocessing
definition
synchronous swap buffers
definition
definition
synchronous write operations
Prestoserve caching options
sys-v-mode attribute
definition
sysconfig
use to display attributes
use to display attributes
use to modify run-time attribute values
sysconfigdb
use to modify attributes
use to modify attributes
sysconfigtab file
modifying with sysconfigdb
system events
monitoring with DECevent
monitoring with DECevent
monitoring with nfswatch
monitoring with Performance Manager
monitoring with Performance Manager
monitoring with Performance Visualizer
monitoring with Performance Visualizer
monitoring with tcpdump utility
monitoring with volstat utility
monitoring with volwatch
system jobs
displaying statistics for
system load
decreasing with nice
displaying statistics for
monitoring
monitoring
system time
monitoring
monitoring
System V IPC
systems
adding CPUs
availability
availability
availability
availability
characteristics
characteristics
cluster support
CPU processing speed
host bus adapter support
memory in
monitoring
multiprocessing
network adapter support
number of CPUs in
optimizing CPU resources
planning
RAID support
requirements for
tuning recommendations
sys_check utility
use to gather performance information
use to gather performance information
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T
task-max attribute
definition
use to increase number of tasks
tcbhashsize attribute
definition
use to improve TCP lookups
tcpdump utility
use to monitor network events
use to monitor network events
tcpnodelack attribute
definition
use to delay TCP data acknowledgment
tcprexmtthresh attribute
definition
tcptwreorder attribute
definition
tcp_compat_42 attribute
definition
tcp_dont_winscale attribute
definition
tcp_keepalive_default attribute
definition
use to enable keepalive
tcp_keepcnt attribute
definition
use to specify maximum keepalive probes
tcp_keepidle attribute
definition
use to specify idle time
tcp_keepinit attribute
definition
use to specify TCP timeout limit
use to specify TCP timeout limit
tcp_keepintvl attribute
definition
use to specify retransmission probes
tcp_msl attribute
definition
use to decrease TCP context timeout limit
tcp_mssdflt attribute
definition
use to increase the TCP segment size
tcp_recvspace attribute
definition
use to increase TCP socket buffers
tcp_rexmit_interval_min attribute
definition
use to decrease TCP retransmission rate
tcp_rttdflt attribute
definition
tcp_sendspace attribute
definition
use to increase TCP socket buffers
tcp_ttl attribute
definition
tcp_urgent_42 attribute
definition
third
use to profile applications
See atom toolkit
thread-max attribute
definition
use to increase number of threads
threads
monitoring
throughput
definition
traceroute command
Displaying network packet route
use to display packet route
tuning
AdvFS recommendations
AdvFS recommendations
CPUs
definition
disk recommendations
file system recommendations
Internet server recommendations
low-memory workstation recommendations
memory recommendations
metadata buffer cache recommendations
network recommendations
NFS recommendations
recommendations
steps for
system recommendations
UBC recommendations
UFS recommendations
UFS recommendations
virtual memory recommendations
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U
UBC
allocating memory for
allocating memory to
allocating memory to
borrowing threshold
controlling large file caching
controlling the write device queue depth
controlling the write device queue depth
decreasing borrowed memory
definition
definition
definition
increasing maximum size of
increasing minimum size of
increasing size of
monitoring
monitoring
monitoring
monitoring
reducing size of
reusing pages
tuning recommendations
use of
using mmap to reduce disk I/O
when to tune
UBC LRU page list
definition
displaying pages on
ubc-borrowpercent attribute
definition
use to control borrowed memory
ubc-maxdirtywrites attribute
use to prewrite dirty pages
use to prewrite pages
ubc-maxpercent attribute
definition
use to control UBC memory allocation
use to control UBC memory allocation
use to decrease paging
use to set UBC maximum memory
ubc-minpercent attribute
definition
use to control UBC minimum size
use to control UBC minimum size
ucred-max attribute
definition
udpcksum attribute
definition
udp_recvspace attribute
definition
use to increase UDP socket buffers
udp_sendspace attribute
definition
use to increase UDP socket buffers
udp_ttl attribute
definition
UFS
allocating contiguous blocks
configuration recommendations
defragmenting a file system
delaying write buffer flushing
exercising
increasing blocks combined for a read
increasing blocks combined for read ahead
increasing the blocks combined for a write
increasing the number of mounts
modifying fragment size
monitoring
monitoring
monitoring
monitoring
monitoring
reducing inode density
tuning recommendations
tuning recommendations
using a memory file system (MFS)
using quotas
ufs-blkpref-lookbehind attribute
definition
ufs_clusterstats structure
use to display UFS clustering statistics
use to display UFS clustering statistics
ufs_getapage_stats structure
use to check UBC
Unified Buffer Cache
See UBC
uninterruptible power system
See UPS
uprofile utility
use to profile applications
UPS
power availability
uptime command
use to display system load
use to display system load
user address space
increasing
user data segment
increasing
user time
monitoring
monitoring
users
characteristics
user_cfg_pt attribute
definition
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V
VFS
definition
virtual address space
definition
definition
displaying size of
increasing
virtual file system
definition
virtual memory
accessing addresses
address space
definition
definition
enabling aggressive swapping
exercising
function of
increasing address space
increasing paging threshold
increasing stack size
increasing user address space
increasing user data segment size
monitoring
monitoring
monitoring
monitoring
page faulting
page table
reducing application memory requirements
resident set
translating virtual addresses
tuning recommendations
use of
when to tune
working set
VLDB
definition
VLM
definition
vm-aggressive attribute
use for aggressive swapping
vm-aggressive-swap attribute
definition
vm-asyncswapbuffers attribute
definition
use to control swap I/O queue depth
use to control swap I/O queue depth
vm-clustermap attribute
definition
vm-clustersize attribute
definition
vm-cowfaults attribute
definition
vm-csubmapsize attribute
definition
vm-heappercent attribute
definition
vm-inswappedmin attribute
definition
vm-kentry_zone_size attribute
definition
vm-map-index-count attribute
definition
vm-map-index-enabled attribute
definition
vm-map-index-hiwat attribute
definition
vm-map-index-lowat attribute
definition
vm-map-index-rebalance attribute
definition
vm-mapentries attribute
definition
use to increase mmapped files
vm-max-rdpgio-kluster attribute
definition
use to control page-in cluster size
vm-max-wrpgio-kluster attribute
definition
use to control page-out cluster size
vm-maxvas attribute
definition
use to increase address space
use to increase address space
vm-maxwire attribute
definition
vm-min-kernel-address attribute
definition
vm-page-free-hardswap attribute
definition
use to set swapping threshold
vm-page-free-min attribute
definition
use to set free list minimum
vm-page-free-optimal attribute
definition
use to control rate of swapping
use to set swapping threshold
vm-page-free-reserved attribute
definition
use to set privileged tasks threshold
vm-page-free-swap attribute
definition
use to set swapping threshold
vm-page-free-target attribute
definition
use to control paging
use to set paging threshold
vm-page-lock-count attribute
vm-page-prewrite-target attribute
definition
use to prewrite dirty pages
use to prewrite pages
vm-segment-cache-max attribute
definition
vm-segmentation attribute
definition
vm-syncswapbuffers attribute
definition
use to control swap I/O queue depth
use to control swap I/O queue depth
vm-syswiredpercent attribute
definition
vm-ubcbuffers attribute
definition
use to control write device queue depth
use to control write device queue depth
vm-ubcdirtypercent attribute
definition
use to prewrite pages
use to prewrite pages
vm-ubcpagesteal attribute
definition
vm-ubcseqpercent attribute
definition
use to control large file caching
vm-ubcseqstartpercent attribute
definition
use to control large file caching
vm-vpagemax attribute
definition
use to increase protected pages
vm-zone_size attribute
definition
vmstat command
use to display virtual memory statistics
use to monitor paging
vmstat utility
use to display virtual memory and CPU statistics
use to track page lists
vm_perfsum structure
use to check UBC
use to display UBC statistics
use to display virtual memory statistics
use to display virtual memory statistics
vnode-age attribute
definition
use to retain vnodes on free list
vnode-deallocation-enable attribute
definition
use to disable vnode deallocation
vnodes
accelerating deallocation
caching free
delaying deallocation
disabling deallocation
retaining on free list
volinfo.max_io parameter
using with LSM
volprint utility
use to display LSM information
use to display LSM information
volstat utility
use to display LSM performance statistics
use to display LSM performance statistics
use to monitor LSM events
voltrace utility
use to track volume I/O
use to track volume I/O
volwatch command
use to monitor LSM events
volwatch script
use to monitor LSM objects
use to monitor LSM objects
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W
w utility
use to display system information
wired memory
definition
reducing
wired page list
definition
monitoring
working set
definition
workload
definition
understanding
understanding
write-back cache
features
using with hardware RAID
using with hardware RAID
using with multiprocessing systems
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X
X server
terminate option
X Window system
reducing memory consumption
X/Open Transport Interface
xload command
use to monitor system load
use to monitor system load
xprflags attribute
definition
XTI
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Z
zero-filled-on-demand page fault
definition
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