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A B C D E F G H I J K L M N O P Q R S T U V W X

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• 
  sadc (System Activity Data Collector)
• 
  sar(ADM)
  • -B
  • -b, ``Identifying disk I/O-bound systems'', ``Increasing memory by reducing the buffer cache size'', ``Increasing disk I/O throughput by increasing the buffer cache size'', ``Viewing buffer cache activity'', ``Case study: memory-bound software development system''
  • -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 physical memory usage'', ``Viewing swap space 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
  • load balancing
  • loadbalance variable
  • 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, ``Kernel parameters that you can change using configure'', ``SCSI disk driver request queue''
• 
  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 area
  • adding
  • deleting
  • examining usage of
  • size of
  • unused disk blocks in
  • used by system
• 
  swap queue
  • activity on
  • used by system
  • viewing occupancy of
  • viewing size of
• 
  swap(ADM)
  • -l, ``Viewing swap space usage'', ``Case study: memory-bound software development system''
  • using
• 
  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
• 
  %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

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A B C D E F G H I J K L M N O P Q R S T U V W X

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