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Tagged sysstat.xml
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@4004 af4574ff-66df-0310-9fd7-8a98e5e911e0
This commit is contained in:
Manuel Canales Esparcia
parent
4b95c5d96f
commit
eb2cf83a5e
@ -13,98 +13,107 @@
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]>
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<sect1 id="sysstat" xreflabel="Sysstat-&sysstat-version;">
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<?dbhtml filename="sysstat.html"?>
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<title>Sysstat-&sysstat-version;</title>
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<indexterm zone="sysstat">
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<primary sortas="a-Sysstat">Sysstat</primary></indexterm>
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<?dbhtml filename="sysstat.html"?>
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<sect2>
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<title>Introduction to <application>Sysstat</application></title>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<para>The <application>Sysstat</application> package contains utilities to
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monitor system performance and usage activity.
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<application>Sysstat</application> contains the <command>sar</command> utility,
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common to many commercial Unixes, and tools you can schedule via cron to
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collect and historize performance and activity data.</para>
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<title>Sysstat-&sysstat-version;</title>
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<sect3><title>Package information</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Download (HTTP):
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<ulink url="&sysstat-download-http;"/></para></listitem>
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<listitem><para>Download (FTP):
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<ulink url="&sysstat-download-ftp;"/></para></listitem>
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<listitem><para>Download MD5 sum:
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&sysstat-md5sum;</para></listitem>
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<listitem><para>Download size:
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&sysstat-size;</para></listitem>
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<listitem><para>Estimated disk space required:
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&sysstat-buildsize;</para></listitem>
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<listitem><para>Estimated build time:
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&sysstat-time;</para></listitem></itemizedlist>
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</sect3>
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<indexterm zone="sysstat">
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<primary sortas="a-Sysstat">Sysstat</primary>
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</indexterm>
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<sect3><title><application>Sysstat</application> dependencies</title>
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<sect4><title>Recommended</title>
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<para><xref linkend="fcron"/></para></sect4>
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</sect3>
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<sect2 role="package">
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<title>Introduction to Sysstat</title>
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</sect2>
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<para>The <application>Sysstat</application> package contains utilities
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to monitor system performance and usage activity.
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<application>Sysstat</application> contains the <command>sar</command>
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utility, common to many commercial Unixes, and tools you can schedule via
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cron to collect and historize performance and activity data.</para>
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<sect2>
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<title>Installation of <application>Sysstat</application></title>
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Download (HTTP): <ulink url="&sysstat-download-http;"/></para>
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</listitem>
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<listitem>
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<para>Download (FTP): <ulink url="&sysstat-download-ftp;"/></para>
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</listitem>
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<listitem>
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<para>Download MD5 sum: &sysstat-md5sum;</para>
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</listitem>
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<listitem>
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<para>Download size: &sysstat-size;</para>
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</listitem>
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<listitem>
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<para>Estimated disk space required: &sysstat-buildsize;</para>
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</listitem>
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<listitem>
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<para>Estimated build time: &sysstat-time;</para>
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</listitem>
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</itemizedlist>
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<para>Install <application>Sysstat</application> by running the
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following commands:</para>
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<bridgehead renderas="sect3">Sysstat Dependencies</bridgehead>
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<screen><userinput><command>make config &&
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make</command></userinput></screen>
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<bridgehead renderas="sect4">Recommended</bridgehead>
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<para><xref linkend="fcron"/></para>
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<para>Now, as the root user:</para>
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</sect2>
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<screen><userinput role='root'><command>make install</command></userinput></screen>
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<sect2 role="installation">
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<title>Installation of Sysstat</title>
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</sect2>
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<para>Install <application>Sysstat</application> by running the
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following commands:</para>
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<sect2>
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<title>Command explanations</title>
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<screen><userinput>make config &&
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make</userinput></screen>
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<para><command>make config</command>: Runs the interactive configuration
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process. The first question prompts you for an
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<quote><computeroutput>Installation directory</computeroutput></quote>. Reply
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with <filename class="directory">/usr</filename>, as
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this is equivalent to <application>Autoconf</application>'s
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<parameter>--prefix=/usr</parameter> parameter to
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<command>configure</command>. For all other prompts, you may
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press <command>Enter</command> to accept the (very sane) defaults. When
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prompted for <quote><computeroutput>Number of daily data files to keep:
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[7]</computeroutput></quote>, you may wish to keep a larger number of files.
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However, don't exceed 25 because <application>Sysstat</application> will
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resuse existing files the next month, leading to erroneous daily
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reports.</para>
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<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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</sect2>
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<screen role="root"><userinput>make install</userinput></screen>
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<sect2>
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<title>Configuring <application>Sysstat</application></title>
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</sect2>
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<sect3><title>Cron information</title>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para>To begin gathering <application>Sysstat</application> history
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information, you must add to, or create a privileged user's crontab. The
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default history data location is
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<filename class="directory">/var/log/sa</filename>. The user running
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<application>Sysstat</application> utilities via cron must have write
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access to this location.</para>
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<para><command>make config</command>: Runs the interactive configuration
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process. The first question prompts you for an
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<quote><computeroutput>Installation directory</computeroutput></quote>.
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Reply with <filename class="directory">/usr</filename>, as this is equivalent to
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<application>Autoconf</application>'s <option>--prefix=/usr</option> parameter
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to <command>configure</command>. For all other prompts, you may
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press <keycap>Enter</keycap> to accept the (very sane) defaults. When
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prompted for <quote><computeroutput>Number of daily data files to keep:
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[7]</computeroutput></quote>, you may wish to keep a larger number of files.
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However, don't exceed 25 because <application>Sysstat</application> will
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resuse existing files the next month, leading to erroneous daily reports.</para>
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<para>Below is an example of what to install in the crontab. Adjust the
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parameters to suit your needs. Use <command>man sa1</command> and
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<command>man sa2</command> for information about the commands.</para>
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</sect2>
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<screen><userinput># 8am-7pm activity reports every 10 minutes during weekdays
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<sect2 role="configuration">
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<title>Configuring Sysstat</title>
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<sect3>
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<title>Cron Information</title>
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<para>To begin gathering <application>Sysstat</application> history
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information, you must add to, or create a privileged user's crontab. The
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default history data location is
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<filename class="directory">/var/log/sa</filename>. The user running
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<application>Sysstat</application> utilities via cron must have write
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access to this location.</para>
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<para>Below is an example of what to install in the crontab. Adjust the
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parameters to suit your needs. Use <command>man sa1</command> and
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<command>man sa2</command> for information about the commands.</para>
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<screen><literal># 8am-7pm activity reports every 10 minutes during weekdays
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0 8-18 * * 1-5 /usr/lib/sa/sa1 600 6 &
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# 7pm-8am activity reports every hour during weekdays
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@ -114,101 +123,118 @@ parameters to suit your needs. Use <command>man sa1</command> and
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0 * * * 0,6 /usr/lib/sa/sa1 &
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# Daily summary prepared at 19:05
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5 19 * * * /usr/lib/sa/sa2 -A &</userinput></screen>
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5 19 * * * /usr/lib/sa/sa2 -A &</literal></screen>
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<para>Ensure you submit the revised crontab to the cron daemon.</para>
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</sect3>
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<para>Ensure you submit the revised crontab to the cron daemon.</para>
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<sect3 id="sysstat-init"><title>System startup information</title>
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<indexterm zone="sysstat sysstat-init">
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<primary sortas="f-sysstat">sysstat</primary></indexterm>
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</sect3>
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<para>At system startup, a LINUX RESTART message must be inserted in the daily
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data file to reinitialize the kernel counters. This can be automated by
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installing the <filename>/etc/rc.d/init.d/sysstat</filename> init script
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included in the <xref linkend="intro-important-bootscripts"/> package using
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the following command:</para>
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<sect3 id="sysstat-init">
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<title>System Startup Information</title>
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<screen><userinput role='root'><command>make install-sysstat</command></userinput></screen>
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</sect3>
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<indexterm zone="sysstat sysstat-init">
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<primary sortas="f-sysstat">sysstat</primary>
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</indexterm>
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</sect2>
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<para>At system startup, a LINUX RESTART message must be inserted in the daily
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data file to reinitialize the kernel counters. This can be automated by
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installing the <filename>/etc/rc.d/init.d/sysstat</filename> init script
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included in the <xref linkend="intro-important-bootscripts"/> package using
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the following command:</para>
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<sect2>
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<title>Contents</title>
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<screen role="root"><userinput>make install-sysstat</userinput></screen>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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</sect3>
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<seglistitem>
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<seg>iostat, mpstat, sar, sa1, sa2 and sadc</seg>
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<seg>None</seg>
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<seg>/usr/lib/sa and /var/log/sa</seg>
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</seglistitem>
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</segmentedlist>
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</sect2>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<sect2 role="content">
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<title>Contents</title>
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<varlistentry id="iostat">
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<term><command>iostat</command></term>
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<listitem><para>reports <acronym>CPU</acronym> statistics and input/output
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statistics for devices and partitions.</para>
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<indexterm zone="sysstat iostat">
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<primary sortas="b-iostat">iostat</primary>
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</indexterm></listitem>
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</varlistentry>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<varlistentry id="mpstat">
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<term><command>mpstat</command></term>
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<listitem><para>reports individual or combined processor related
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statistics.</para>
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<indexterm zone="sysstat mpstat">
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<primary sortas="b-mpstat">mpstat</primary>
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</indexterm></listitem>
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</varlistentry>
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<seglistitem>
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<seg>iostat, mpstat, sar, sa1, sa2, and sadc</seg>
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<seg>None</seg>
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<seg>/usr/lib/sa and /var/log/sa</seg>
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</seglistitem>
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</segmentedlist>
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<varlistentry id="sar">
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<term><command>sar</command></term>
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<listitem><para> collects, reports and saves system activity
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information.</para>
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<indexterm zone="sysstat sar">
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<primary sortas="b-sar">sar</primary>
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</indexterm></listitem>
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</varlistentry>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="sa1">
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<term><command>sa1</command></term>
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<listitem><para>collects and stores binary data in the system activity daily
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data file. It is a front end to <filename>sadc</filename> designed to be run
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from cron.</para>
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<indexterm zone="sysstat sa1">
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<primary sortas="b-sa1">sa1</primary>
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</indexterm></listitem>
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</varlistentry>
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<varlistentry id="iostat">
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<term><command>iostat</command></term>
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<listitem>
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<para>reports <acronym>CPU</acronym> statistics and input/output
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statistics for devices and partitions.</para>
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<indexterm zone="sysstat iostat">
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<primary sortas="b-iostat">iostat</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="sa2">
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<term><command>sa2</command></term>
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<listitem><para>writes a summarized daily activity report. It is a front end
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to <command>sar</command> designed to be run from cron.</para>
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<indexterm zone="sysstat sa2">
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<primary sortas="b-sa2">sa2</primary>
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</indexterm></listitem>
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</varlistentry>
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<varlistentry id="mpstat">
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<term><command>mpstat</command></term>
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<listitem>
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<para>reports individual or combined processor related statistics.</para>
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<indexterm zone="sysstat mpstat">
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<primary sortas="b-mpstat">mpstat</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="sadc">
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<term><command>sadc</command></term>
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<listitem><para>is the system activity data collector, used as a backend for
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<command>sar</command>.</para>
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<indexterm zone="sysstat sadc">
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<primary sortas="b-sadc">sadc</primary>
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</indexterm></listitem>
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</varlistentry>
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</variablelist>
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<varlistentry id="sar">
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<term><command>sar</command></term>
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<listitem>
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<para> collects, reports and saves system activity information.</para>
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<indexterm zone="sysstat sar">
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<primary sortas="b-sar">sar</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</sect2>
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<varlistentry id="sa1">
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<term><command>sa1</command></term>
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<listitem>
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<para>collects and stores binary data in the system activity daily
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data file. It is a front end to <filename>sadc</filename> designed to be run
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from cron.</para>
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<indexterm zone="sysstat sa1">
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<primary sortas="b-sa1">sa1</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="sa2">
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<term><command>sa2</command></term>
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<listitem>
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<para>writes a summarized daily activity report. It is a front end
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to <command>sar</command> designed to be run from cron.</para>
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<indexterm zone="sysstat sa2">
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<primary sortas="b-sa2">sa2</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="sadc">
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<term><command>sadc</command></term>
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<listitem>
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<para>is the system activity data collector, used as a backend for
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<command>sar</command>.</para>
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<indexterm zone="sysstat sadc">
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<primary sortas="b-sadc">sadc</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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Loading…
Reference in New Issue
Block a user