mirror of https://gitee.com/openkylin/sysstat.git
57 lines
1.8 KiB
Plaintext
57 lines
1.8 KiB
Plaintext
.\" sa2 manual page - (C) 1999-2020 Sebastien Godard (sysstat <at> orange.fr)
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.TH SA2 8 "JULY 2020" Linux "Linux User's Manual" -*- nroff -*-
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.SH NAME
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sa2 \- Create a report from the current standard system activity daily data file.
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.SH SYNOPSIS
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.B @SA_LIB_DIR@/sa2
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.SH DESCRIPTION
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.RB "The " "sa2 " "command is a shell procedure variant of the " "sar"
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command which writes a daily report in the
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.IR "sarDD " "or the " "sarYYYYMMDD " "file, where"
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.IR "YYYY " "stands for the current year, " "MM " "for the current month and " "DD"
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for the current day. By default the report is saved in the
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.I @SA_DIR@
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directory. The
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.B sa2
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command will also remove reports more than one week old by default.
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You can however keep reports for a longer (or a shorter) period by setting the
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.B HISTORY
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environment variable. Read the
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.BR "sysstat" "(5) manual page for details."
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.PP
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.RB "The " "sa2 " "command accepts most of the flags and parameters of the " "sar " "command."
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.PP
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.RB "The " "sa2 " "command is designed to be started automatically by the " "cron " "command."
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.SH EXAMPLES
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.RB "To run the " "sa2"
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command daily, place the following entry in your root crontab file:
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.B 5 19 * * 1-5 @SA_LIB_DIR@/sa2 -A
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This will generate by default a daily report called
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.IR "sarDD " "in the"
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.I @SA_DIR@
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directory, where the
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.IR "DD " "parameter is a number representing the day of the month."
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.SH FILES
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.I @SA_DIR@/sarDD
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.br
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.I @SA_DIR@/sarYYYYMMDD
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.RS
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The standard system activity daily report files and their default location.
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.IR "YYYY " "stands for the current year, " "MM " "for the current month and " "DD " "for the current day."
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.SH AUTHOR
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Sebastien Godard (sysstat <at> orange.fr)
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.SH SEE ALSO
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.BR "sar" "(1), " "sadc" "(8), " "sa1" "(8), " "sadf" "(1), " "sysstat" "(5)"
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.PP
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.I https://github.com/sysstat/sysstat
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.br
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.I http://pagesperso-orange.fr/sebastien.godard/
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