List Archive: gentoo-performance
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You may want to look into using ReadAhead, some of the newer init systems are using it to decrease boot time.<br><br><br><br><div><span class="gmail_quote">On 5/9/07, <b class="gmail_sendername">Roman Zimmermann</b> <<a href="mailto:mereandor@...">
mereandor@...</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">deer, list!<br><br>I currently try to minimize the application startup-time for my gentoo-laptop.
<br>Even with prelink it takes about one minute to start kde and all programs in<br>autostart due to the heavy disk i/o load.<br>In the last days I did some tests with taking a copy of my regular /usr (ext3)<br>dir and storing it in a squashfs file. I then mount it as loopback device
<br>on /usr. (Leaving the original copy still intact but hidden.)<br><br>Those are the effects I try to achieve:<br>1. The filesystem has no fragmentation at all. Files in my regular /usr dir<br>are somewhat fragmented, but not too badly.
<br>2. It's compressed: less disk i/o and more cpu load.<br><br>So far the results have been promising. With the new squashfs I'm down to<br>around 50 secs (-16%). But at the moment my benchmark methods are quite<br>
primitve. I simply have a stopwatch nearby and meassure the time from login<br>to when the disk is idle again. I'm looking forward to some input on this.<br><br>greets<br>Roman<br><br></blockquote></div><br><br clear="all">
<br>-- <br>---------------------------------<br>Derek Tracy<br><a href="mailto:tracyde@...">tracyde@...</a><br>---------------------------------<br>