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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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  wait field, nfsstat -c
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  waiting for I/O, operating system state
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  %wcache field, sar -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''
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  wchar/s field, sar -c
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  window sizes, setting for each interface
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  %wio field
  • cpusar -u
  • sar -u, ``Identifying disk I/O-bound systems'', ``Viewing CPU activity'', ``Identifying CPU-bound systems''
• 
  workload, managing
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  writev(S), I/O vector size