Fedora 10 - Boot Analysis

[Casey Dahlin]

Dan Horák wrote:
> Casey Dahlin píše v Po 29. 12. 2008 v 05:35 -0500:
>   
>> Arjan van de Ven wrote:
>>     
>>> On Tue, 16 Dec 2008 17:16:36 -0500 (EST)
>>> Seth Vidal <skvidal at fedoraproject.org> wrote:
>>>
>>>   
>>>       
>>>>> Or hibernate?
>>>>>       
>>>>>           
>>>> At least on my system hibernate takes as much time as a reboot.
>>>>
>>>>     
>>>>         
>>> btw this is a very fundamental property of hibernate. You need to do all
>>> disk IO to get the system state to disk. And then at resume, you need
>>> to do all disk IO to get the state from disk again. That's twice ;)
>>>
>>> This is compounded by the property that a hibernate tends to flush at
>>> least half the disk cache (it has to, to get space to work in), which
>>> you then need to page right back in, so even when you're back, the first
>>> minute or two sucks badly.
>>>
>>> I suspect you will always be able to boot faster than you can
>>> hibernate+resume.
>>>
>>>
>>>
>>>   
>>>       
>> Slightly off subject, did sreadahead ever get publicly released? Did I 
>> miss it?
>>     
>
> It has been even submitted for review -
> https://bugzilla.redhat.com/show_bug.cgi?id=464045
>
>
> 		Dan
>
>
>   
Good news. Its not a magic bullet any more than anything else but I like 
this app a lot.

--CJD