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On 04/24/2012 04:22 AM, Gustavo R Leal wrote:
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<div style="color: rgb(0, 0, 0); font-family: arial,
helvetica, sans-serif; "><font size="2">I believe
I've found the problem of excessive swapping with
1GB of memory.</font></div>
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<div style="color: rgb(0, 0, 0); font-family: arial,
helvetica, sans-serif; "><font size="2">There is a
script "/usr/lib/pm-utils/power.d/laptop-mode"
that is setting these weird values to VM tunable
kernel parameters when on AC power:</font></div>
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<div><font size="2">dirty_background_ratio=5<br>
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<div><font size="2">dirty_ratio=10<br>
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<div><font size="2">The line 69 of the script is the
following:</font></div>
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<div> write_values 0 10 5 500</div>
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<div>Changing the line with these values resulted
in being able to run the system with 1GB without
swap and good performance.</div>
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<div> write_values 0 90 20 500</div>
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<div>I think it needs some attention.</div>
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<div>Thanks,</div>
<div> Gustavo Rybarczyk.</div>
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Hey Gustavo,<br>
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can you file a bug and paste a link it to this mailing list?<br>
<br>
Thanks,<br>
Pasi<br>
<pre class="moz-signature" cols="72">--
Pasi Lallinaho (knome) » <a class="moz-txt-link-freetext" href="http://open.knome.fi/">http://open.knome.fi/</a>
Leader of Xubuntu and Shimmer Project » <a class="moz-txt-link-freetext" href="http://shimmerproject.org/">http://shimmerproject.org/</a>
Graphic artist, webdesigner, Ubuntu member » <a class="moz-txt-link-freetext" href="http://xubuntu.org/">http://xubuntu.org/</a></pre>
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