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

From: Eugen Leitl <eugen_at_leitl.org>
Date: Thu 13 Dec 2012 - 15:21:11 GMT
Message-ID: <20121213152111.GD9750@leitl.org>

On Thu, Dec 13, 2012 at 03:15:44PM +0000, Gordan Bobic wrote:
> You're preaching to the converted, Eugen. ;)

Yeah, but not everybody here is subscribed to ZoL.

> 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 -----

-- 
Eugen* Leitl leitl http://leitl.org
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Received on Thu Dec 13 15:28:34 2012
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