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<page xmlns="http://projectmallard.org/1.0/"
type="topic" style="task"
id="mem-check">
<info>
<revision pkgversion="3.11" date="2014-01-28" status="candidate"/>
<link type="guide" xref="index#memory" group="memory" />
<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
<credit type="author copyright">
<name>Phil Bull</name>
<email>philbull@gmail.com</email>
<years>2011</years>
</credit>
<credit type="author copyright">
<name>Michael Hill</name>
<email>mdhillca@gmail.com</email>
<years>2011, 2014</years>
</credit>
<credit type="editor">
<name>Ekaterina Gerasimova</name>
<email>kittykat3756@gmail.com</email>
</credit>
<desc>The <gui>Resources</gui> tab tells you how much of your computer's
memory (RAM) is being used.</desc>
</info>
<title>How much memory is being used?</title>
<comment>
<cite date="2011-06-18" href="mailto:philbull@gmail.com">Phil Bull</cite>
<p>Go to the Resources tab and look at the graph/indicators (short topic).
Point to resources about memory problems. Maybe mention how you can find
which processes are using the most memory.</p>
</comment>
<p>To check the current memory usage of your computer:</p>
<steps>
<item>
<p>Click the <gui>Resources</gui> tab.</p>
</item>
</steps>
<p><gui>Memory and Swap History</gui> displays a running line graph for
memory and swap as a percentage of the total available. These are plotted
against time, with the current time at the right.</p>
<note style="tip">
<p>The color of each line is indicated by the pie graphs below. Click the
pie graph to change the color of the line graph.</p>
</note>
<p>The <gui>Memory</gui> pie graph shows memory usage in
<link xref="units">GiB</link> and as a percentage of the total available.</p>
<p>To change the <gui>update interval</gui>:</p>
<steps>
<item>
<p>Click
<guiseq><gui>System Monitor</gui><gui>Preferences</gui></guiseq>.</p>
</item>
<item>
<p>Click the <gui>Resources</gui> tab.</p>
</item>
<item>
<p>Enter a value for <gui>Update interval in seconds</gui>.</p>
</item>
</steps>
<section id="highusage">
<title>Which processes are using the most memory?</title>
<p>To check which processes are using the most memory:</p>
<steps>
<item>
<p>Click the <gui>Processes</gui> tab.</p>
</item>
<item>
<p>Click the <gui>Memory</gui> column header to sort the processes
according to memory use.</p>
<note>
<p>The arrow in the column header shows the sort direction; click again
to reverse it. If the arrow points up, the processes using the most
memory appear at the top of the list.</p>
</note>
</item>
</steps>
</section>
</page>
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