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anonymous

Disk IO information with a Unix / Linux background - 0 views

www.dataclinic.co.uk/-io-information-linux-unix.htm

information performance tuning disk io linux sysadmin

shared by anonymous on 20 Aug 10 - Cached
  • The disk's ITR rating and internal cache size can be critical when tuning maxcontig (maximum contiguous I/O size). Note: maxphys and maxcontig must be tuned at the same time. The unit of measurement for maxphys is bytes; maxcontig is in blocks. maxcontig can be changed via the mkfs, newfs or tunefs commands.
  • anonymous on 20 Aug 10
     
    The disk's ITR rating and internal cache size can be critical when tuning maxcontig (maximum contiguous I/O size). Note: maxphys and maxcontig must be tuned at the same time. The unit of measurement for maxphys is bytes; maxcontig is in blocks. maxcontig can be changed via the mkfs, newfs or tunefs commands.
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