Re: [vserver] Re: [zfs-discuss] Re: ZoL + MySQL server

From: Gordan Bobic <gordan_at_bobich.net>
Date: Thu 13 Dec 2012 - 15:15:44 GMT
Message-ID: <ae94f24d1162d57bc0ce1b5a0418c2dc@mail.shatteredsilicon.net>

 You're preaching to the converted, Eugen. ;)

 On Thu, 13 Dec 2012 16:07:55 +0100, Eugen Leitl <eugen@leitl.org>
 wrote:
> ----- Forwarded message from Gordan Bobic <gordan.bobic@gmail.com>
> -----
>
> From: Gordan Bobic <gordan.bobic@gmail.com>
> Date: Thu, 13 Dec 2012 15:04:36 +0000
> To: zfs-discuss@zfsonlinux.org
> Subject: Re: [zfs-discuss] Re: ZoL + MySQL server
> Reply-To: zfs-discuss@zfsonlinux.org
>
> On Thu, Dec 13, 2012 at 2:51 PM, James Bailey
> <paradoxbound@gmail.com> wrote:
>> On 13 December 2012 14:30, Gordan Bobic <gordan.bobic@gmail.com>
>> wrote:
>>>
>>> You forget Vserver, the best one of the lot. :)
>>
>> I have always been a fan of the system and kernel level apps. used
>> virtuozzo extensively at a hosting company and did some horrendous
>> overloading but it coped.
>>
>> I have never used Vserver and must confess I got it mixed up with
>> the
>> Linux Virtual Server. I am looking for some simple lightweight
>> virtualisation/isolation for some large VPS. Lets see if this fits
>> the bill.
>
> The killer feature of Vserver that none of the others have (and
> Solaris zones
> guidelines for bind-mounting /usr read-only try to approximate
> (poorly)) is
> the hashification of the files - it can search the guest subtrees for
> identical
> files between guests, and comes with a CoW hardlink feature for the
> supported file systems (ext* at the moment). So both the disk and
> memory
> requirements can go down dramatically.
>
> I've been wanting such a CoW hardlink breaking feature in ZoL for
> ages.
>
> Gordan
>
> ----- End forwarded message -----
Received on Thu Dec 13 15:17:00 2012

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