Boot speedup with readahead

[Panu Matilainen]

On Mon, 8 Sep 2008, Harald Hoyer wrote:

> Eric Sandeen schrieb:
>> Harald Hoyer wrote:
>>> Eric Sandeen schrieb:
>> 
>>>> So when / how often does readahead-collector run now?
>>>> 
>>>> Thanks,
>>>> -Eric
>>> Every month.
>>> 
>>> /etc/cron.monthly/readahead-monthly.cron
>> 
>> It'd be interesting to do a daily yum update / reboot and see how the
>> boot times look, graphed for a couple months.
>> 
>> Will things degrade until the next collection run?  I wonder if some
>> inotify magic might be interesting; if more than X% of the
>> previously-collected files have changed, then kick the collector on again?
>> 
>> -Eric
>> 
>
> hehe, yes, but how would you implement that? :) I don't think this is doable 
> :)

A yum-readahead plugin could look at the readahead list after an upgrade 
and calculate if refreshing is needed.

/me ducks and hides

 	- Panu -