HELPLIB.HLB  —  SET  CACHE

1    /RESET

    Resets systemwide I/O caching statistics for the extended file
    cache (XFC).

    OPER privilege is required to execute this command.

    Format

      SET CACHE/RESET

1.1  –  Example

  $ SHOW MEMORY/CACHE
                System Memory Resources on 22-AUG-2001 11:22:22.50

  Extended File Cache  (Time of last reset: 16-AUG-2001 11:16:24.96)
   Allocated (Mbytes)     151.39   Maximum size (Mbytes)    1024.00
   Free (Mbytes)            0.21   Minimum size (Mbytes)       0.23
   In use (Mbytes)        151.18   Write hit rate                 0%
   Read hit rate              97%  Write I/O count             5321
   Read I/O count         208052   Write hit count                0
   Read hit count         203761   Writes bypassing cache         0
   Reads bypassing cache    1787   Vols in Full XFC mode          0
   Files cached open         316   Vols in VIOC Compatible mode   1
   Files cached closed       300   Vols in No Caching mode        0
   Read/Write ratio           97%  Vols in Perm. No Caching mode  0

      This example shows the cache statistics prior to issuing the
      SET CACHE/RESET command.

        $ SET CACHE/RESET

      This command resets the cache statistics and updates the
      timestamp.

        $ SHOW MEMORY/CACHE
                      System Memory Resources on 22-AUG-2001 11:27:41.11

        Extended File Cache  (Time of last reset: 22-AUG-2001 11:27:37.76)
         Allocated (Mbytes)     151.39   Maximum size (Mbytes)    1024.00
         Free (Mbytes)            0.21   Minimum size (Mbytes)       0.23
         In use (Mbytes)        151.18   Write hit rate                 0%
         Read hit rate             100%  Write I/O count                0
         Read I/O count              9   Write hit count                0
         Read hit count              9   Writes bypassing cache         0
         Reads bypassing cache       0   Vols in Full XFC mode          0
         Files cached open         316   Vols in VIOC Compatible mode   1
         Files cached closed       300   Vols in No Caching mode        0
         Read/Write ratio          100%  Vols in Perm. No Caching mode  0

      This example shows the reset cache statistics and the modified
      timestamp.
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