[f384a9d] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[1498ead] | 7 | <!ENTITY sysstat-download-http "http://perso.wanadoo.fr/sebastien.godard/sysstat-&sysstat-version;.tar.gz">
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| 8 | <!ENTITY sysstat-download-ftp "ftp://ibiblio.org/pub/linux/system/status/sysstat-&sysstat-version;.tar.gz">
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[a31d341d] | 9 | <!ENTITY sysstat-md5sum "51569230bf82e434919a56b0c7c411ba">
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[1498ead] | 10 | <!ENTITY sysstat-size "124 KB">
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[f384a9d] | 11 | <!ENTITY sysstat-buildsize "1.2 MB">
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[0015654c] | 12 | <!ENTITY sysstat-time "0.12 SBU">
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[f384a9d] | 13 | ]>
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| 14 |
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| 15 | <sect1 id="sysstat" xreflabel="Sysstat-&sysstat-version;">
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[a0f03b0] | 16 | <sect1info>
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[5cd0959d] | 17 | <othername>$LastChangedBy$</othername>
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| 18 | <date>$Date$</date>
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[a0f03b0] | 19 | </sect1info>
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[f384a9d] | 20 | <?dbhtml filename="sysstat.html"?>
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| 21 | <title>Sysstat-&sysstat-version;</title>
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[0015654c] | 22 | <indexterm zone="sysstat">
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| 23 | <primary sortas="a-Sysstat">Sysstat</primary></indexterm>
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[f384a9d] | 24 |
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| 25 | <sect2>
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| 26 | <title>Introduction to <application>Sysstat</application></title>
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| 27 |
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| 28 | <para>The <application>Sysstat</application> package contains utilities to
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| 29 | monitor system performance and usage activity.
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| 30 | <application>Sysstat</application> contains the <command>sar</command> utility,
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[1498ead] | 31 | common to many commercial Unixes, and tools you can schedule via cron to
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| 32 | collect and historize performance and activity data.</para>
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[f384a9d] | 33 |
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| 34 | <sect3><title>Package information</title>
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| 35 | <itemizedlist spacing='compact'>
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[0015654c] | 36 | <listitem><para>Download (HTTP):
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| 37 | <ulink url="&sysstat-download-http;"/></para></listitem>
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| 38 | <listitem><para>Download (FTP):
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| 39 | <ulink url="&sysstat-download-ftp;"/></para></listitem>
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[a31d341d] | 40 | <listitem><para>Download MD5 sum:
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| 41 | &sysstat-md5sum;</para></listitem>
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[0015654c] | 42 | <listitem><para>Download size:
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| 43 | &sysstat-size;</para></listitem>
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| 44 | <listitem><para>Estimated disk space required:
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| 45 | &sysstat-buildsize;</para></listitem>
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| 46 | <listitem><para>Estimated build time:
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| 47 | &sysstat-time;</para></listitem></itemizedlist>
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[f384a9d] | 48 | </sect3>
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| 49 |
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| 50 | <sect3><title><application>Sysstat</application> dependencies</title>
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| 51 | <sect4><title>Recommended</title>
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| 52 | <para><xref linkend="fcron"/></para></sect4>
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| 53 | </sect3>
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| 54 |
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| 55 | </sect2>
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| 56 |
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| 57 | <sect2>
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| 58 | <title>Installation of <application>Sysstat</application></title>
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| 59 |
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| 60 | <para>Install <application>Sysstat</application> by running the
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| 61 | following commands:</para>
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| 62 |
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| 63 | <screen><userinput><command>make config &&
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[0015654c] | 64 | make</command></userinput></screen>
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| 65 |
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| 66 | <para>Now, as the root user:</para>
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| 67 |
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| 68 | <screen><userinput role='root'><command>make install</command></userinput></screen>
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[f384a9d] | 69 |
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| 70 | </sect2>
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| 71 |
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| 72 | <sect2>
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| 73 | <title>Command explanations</title>
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| 74 |
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| 75 | <para><command>make config</command>: Runs the interactive configuration
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| 76 | process. The first question prompts you for an "Installation directory".
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| 77 | Reply with <filename class="directory">/usr</filename>, as this is equivalent
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| 78 | to <application>Autoconf</application>'s <parameter>--prefix=/usr</parameter>
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| 79 | parameter to <command>configure</command>. For all other prompts, you may
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| 80 | press <command>Enter</command> to accept the (very sane) defaults.</para>
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| 81 |
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| 82 | </sect2>
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| 83 |
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| 84 | <sect2>
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| 85 | <title>Configuring <application>Sysstat</application></title>
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| 86 |
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| 87 | <sect3><title>Cron information</title>
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| 88 |
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[1498ead] | 89 | <para>To begin gathering <application>Sysstat</application> history
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| 90 | information, you must add to, or create a privileged user's crontab. The
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| 91 | default history data location is
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| 92 | <filename class="directory">/var/log/sa</filename>. The user running
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| 93 | <application>Sysstat</application> utilities via cron must have write
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[f384a9d] | 94 | access to this location.</para>
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| 95 |
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| 96 | <para>Below is an example of what to install in the crontab. Adjust the
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| 97 | parameters to suit your needs. Use <command>man sa1</command> and
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| 98 | <command>man sa2</command> for information about the commands.</para>
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| 99 |
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| 100 | <screen><userinput># 8am-7pm activity reports every 10 minutes during weekdays
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| 101 | 0 8-18 * * 1-5 /usr/lib/sa/sa1 600 6 &
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| 102 |
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| 103 | # 7pm-8am activity reports every hour during weekdays
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| 104 | 0 19-7 * * 1-5 /usr/lib/sa/sa1 &
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| 105 |
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| 106 | # Activity reports every hour on Saturday and Sunday
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| 107 | 0 * * * 0,6 /usr/lib/sa/sa1 &
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| 108 |
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| 109 | # Daily summary prepared at 19:05
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| 110 | 5 19 * * * /usr/lib/sa/sa2 -A &</userinput></screen>
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| 111 |
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| 112 | <para>Ensure you submit the revised crontab to the cron daemon.</para>
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| 113 | </sect3>
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| 114 |
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[0015654c] | 115 | <sect3 id="sysstat-init"><title>System startup information</title>
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| 116 | <indexterm zone="sysstat sysstat-init">
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| 117 | <primary sortas="f-sysstat">sysstat</primary></indexterm>
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[f384a9d] | 118 |
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| 119 | <para>At system startup, a LINUX RESTART message must be inserted in the daily
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[02912d44] | 120 | data file to reinitialize the kernel counters. This can be automated by
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| 121 | installing the <filename>/etc/rc.d/init.d/sysstat</filename> init script
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| 122 | included in the <xref linkend="intro-important-bootscripts"/> package using
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| 123 | the following command:</para>
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[0015654c] | 124 |
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| 125 | <screen><userinput role='root'><command>make install-sysstat</command></userinput></screen>
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[f384a9d] | 126 | </sect3>
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| 127 |
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| 128 | </sect2>
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| 129 |
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| 130 | <sect2>
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| 131 | <title>Contents</title>
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| 132 |
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[0015654c] | 133 | <segmentedlist>
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| 134 | <segtitle>Installed Programs</segtitle>
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| 135 | <segtitle>Installed Libraries</segtitle>
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| 136 | <segtitle>Installed Directories</segtitle>
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| 137 |
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| 138 | <seglistitem>
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| 139 | <seg>iostat, mpstat, sar, sa1, sa2 and sadc</seg>
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| 140 | <seg>None</seg>
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| 141 | <seg>/usr/lib/sa and /var/log/sa</seg>
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| 142 | </seglistitem>
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| 143 | </segmentedlist>
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| 144 |
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| 145 | <variablelist>
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| 146 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 147 | <?dbfo list-presentation="list"?>
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| 148 |
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| 149 | <varlistentry id="iostat">
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| 150 | <term><command>iostat</command></term>
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| 151 | <listitem><para>reports <acronym>CPU</acronym> statistics and input/output
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| 152 | statistics for devices and partitions.</para>
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| 153 | <indexterm zone="sysstat iostat">
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| 154 | <primary sortas="b-iostat">iostat</primary>
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| 155 | </indexterm></listitem>
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| 156 | </varlistentry>
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| 157 |
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| 158 | <varlistentry id="mpstat">
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| 159 | <term><command>mpstat</command></term>
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| 160 | <listitem><para>reports individual or combined processor related
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| 161 | statistics.</para>
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| 162 | <indexterm zone="sysstat mpstat">
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| 163 | <primary sortas="b-mpstat">mpstat</primary>
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| 164 | </indexterm></listitem>
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| 165 | </varlistentry>
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| 166 |
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| 167 | <varlistentry id="sar">
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| 168 | <term><command>sar</command></term>
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| 169 | <listitem><para> collects, reports and saves system activity
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| 170 | information.</para>
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| 171 | <indexterm zone="sysstat sar">
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| 172 | <primary sortas="b-sar">sar</primary>
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| 173 | </indexterm></listitem>
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| 174 | </varlistentry>
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| 175 |
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| 176 | <varlistentry id="sa1">
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| 177 | <term><command>sa1</command></term>
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| 178 | <listitem><para>collects and stores binary data in the system activity daily
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| 179 | data file. It is a front end to <filename>sadc</filename> designed to be run
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| 180 | from cron.</para>
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| 181 | <indexterm zone="sysstat sa1">
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| 182 | <primary sortas="b-sa1">sa1</primary>
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| 183 | </indexterm></listitem>
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| 184 | </varlistentry>
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| 185 |
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| 186 | <varlistentry id="sa2">
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| 187 | <term><command>sa2</command></term>
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| 188 | <listitem><para>writes a summarized daily activity report. It is a front end
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| 189 | to <command>sar</command> designed to be run from cron.</para>
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| 190 | <indexterm zone="sysstat sa2">
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| 191 | <primary sortas="b-sa2">sa2</primary>
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| 192 | </indexterm></listitem>
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| 193 | </varlistentry>
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| 194 |
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| 195 | <varlistentry id="sadc">
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| 196 | <term><command>sadc</command></term>
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| 197 | <listitem><para>is the system activity data collector, used as a backend for
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| 198 | <command>sar</command>.</para>
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| 199 | <indexterm zone="sysstat sadc">
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| 200 | <primary sortas="b-sadc">sadc</primary>
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| 201 | </indexterm></listitem>
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| 202 | </varlistentry>
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| 203 | </variablelist>
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[f384a9d] | 204 |
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| 205 | </sect2>
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| 206 |
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| 207 | </sect1>
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