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OpenDarwin 7.2.1 - man page for sa2 (opendarwin section 8)

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sa2(8)				   BSD System Manager's Manual				   sa2(8)

NAME
     sa2 -- Generate a system activity daily report file.

SYNOPSIS
     /usr/lib/sa/sa2 [-dgpu] [-n mode] [-e time] [-f filename] [-i seconds] [-s time]

DESCRIPTION
     The sa2 command is a shell script used to invoke the system activity reporter sar for pur-
     poses of generating the standard default daily report file.  The report file generated is,
     /var/log/sa/sardd where the dd represents the current day of the month.  The sa2 options are
     the same as those documented in sar(1).

     When sa2 runs, it will also remove data and report files, found in /var/log/sa, that are
     more than one week old.

     The sa2 command is intended to be started by cron.

EXAMPLE CRON ENTRY
     # Starting at 8am collect system activity records
     # every 20 minutes for 12 hours
     # 20 minutes = 1200 seconds
     # 12 hours with 3 samples each hour = 36 loops

     0 8 * * 1-5 /usr/lib/sa/sa1 1200 36

     # After the 12 hour period,
     # collect a system activity report

     30 20 * * 1-5 /usr/lib/sa/sa2 -A


FILES
     /var/log/sa/sardd	Default daily report file.
     /var/log/sa/sadd	Default daily data file.

			dd are digits that represent the day of the month.

SEE ALSO
     sa1(8), sadc(8), sar(1), iostat(8), vm_stat(1), netstat(1), top(1), sc_usage(1),
     fs_usage(1), crontab(1), crontab(5)

Mac OS X				   Jul 25 2003					 Mac OS X
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