[rfc] boot-time async readahead...

Scott James Remnant scott at canonical.com
Thu Feb 12 02:50:47 UTC 2009


On Thu, 2009-02-12 at 00:57 +0000, Daniel J Blueman wrote:

> By modifying the boot-time readahead to be at lower I/O and processor
> priority than the boot scripts and asynchronous, I see a 20% reduction
> in overall boot time (from installing bootchart) on my desktop: 41s
> down to 33s.
> 
This is generally a benefit on SSD or very high speed rotary disks, but
a drawback on low speed rotary disks or machines with low memory.

Scott
-- 
Scott James Remnant
scott at canonical.com
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