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Symbols, numbers 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, ``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

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Symbols, numbers 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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