The sa2 command is a shell procedure variant of the sar command which
writes a daily report in the /var/log/sysstat/sardd file, where the dd
parameter indicates the current day. It will also remove reports more
than one week old by default. You can however keep reports for a
longer (or a shorter) period by setting the HISTORY environment vari-
able. Read the sysstat(5) manual page for details.
The sa2 command accepts most of the flags and parameters of the sar
The sa2 command is designed to be started automatically by the cron
To run the sa2 command daily, place the following entry in your root
5 19 * * 1-5 /usr/lib/sysstat/sa2 -A &
This will generate a daily report called /var/log/sysstat/sardd.
The Debian sysstat package has already placed such an entry in your
system crontab. Please refer to the /usr/share/doc/sys-
stat/README.Debian file for details.
Indicate the daily report file, where the dd parameter is a num-
ber representing the day of the month.
Sebastien Godard (sysstat <at> orange.fr)
sar(1), sadc(8), sa1(8), sadf(1), sysstat(5)
Linux AUGUST 2013 SA2(8)
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