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 vxmemstat(1M)                    VxVM 3.5                     vxmemstat(1M)
                                 1 Jun 2002

 NAME    [Toc]    [Back]
      vxmemstat - display memory statistics for VERITAS Volume Manager

 SYNOPSIS    [Toc]    [Back]
      vxmemstat [-i interval [-t count]]

 DESCRIPTION    [Toc]    [Back]
      The vxmemstat utility prints memory statistics information.  This
      information is system-wide and not specific to a disk group, volume or
      any other Volume Manager object.

 OPTIONS    [Toc]    [Back]
      -i  interval
                Prints memory statistics every interval seconds.

      -t  count Prints the local system time every count intervals.  The
                time interval is specified using the -i interval option.

 OUTPUT FORMAT    [Toc]    [Back]
      The statistics are prefaced by a timestamp showing the current local
      time on the system. Statistics are printed as a one-line output record
      for each memory pool. The records are preceded by two header lines.
      The output line consists of blank-separated fields. All numeric fields
      are in units of kilobytes.

      The following fields are displayed on each line:

      Pool      Name of the memory pool. Memory consumers allocate memory
                from different pools for different purposes.

      Min Size  Minimum amount of memory always reserved for use by
                consumers of the pool. As consumers require more memory,
                additional memory is allocated to the pool for distribution
                to them.

      Max Size  Maximum amount of memory that can be allocated to the pool.
                This is equal to the value assigned to the maximum pool size
                system tunable that corresponds to the pool.

      In Use    Amount of memory (out of that allocated) currently being
                used by consumers of the memory pool.

      Allocated Amount of memory currently allocated to the memory pool. The
                amount of memory allocated to a pool ranges between the
                minimum and the maximum pool size. The amount of allocated
                memory increases as more memory is needed and decreases as
                it is relinquished.

      Max Used  Maximum amount of memory used by consumers from this pool
                since system startup.

                                    - 1 -       Formatted:  January 24, 2005

 vxmemstat(1M)                    VxVM 3.5                     vxmemstat(1M)
                                 1 Jun 2002

      Waiting   Indicates if any I/O is waiting to allocate memory from this
                pool.  This usually indicates that the corresponding tunable
                for the maximum size of this pool needs to be increased.

 EXIT CODES    [Toc]    [Back]
      The vxmemstat utility exits with a non-zero status if the attempted
      operation fails.  A non-zero exit code is not a complete indicator of
      the problems encountered, but rather denotes the first condition that
      prevented further execution of the utility.

      See vxintro(1M) for a list of standard exit codes.

 EXAMPLES    [Toc]    [Back]
      To display statistics every 5 seconds and time stamp the output every
      alternate interval, use the command:

           vxmemstat -i 5 -t 2

 SEE ALSO    [Toc]    [Back]
      vxintro(1M), vxstat(1M)

                                    - 2 -       Formatted:  January 24, 2005
[ Back ]
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