Re: [devel] [SCM] packages/hasher: heads/master

Re: [devel] [SCM] packages/hasher: heads/master

[Kirill A. Shutemov]

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On Sun, Aug 10, 2008 at 09:48:12AM +0400, Alexey M. Tourbin wrote:
> Update of /people/at/packages/hasher.git
> 
> Changes statistics since `1.3.6-alt1-2-g37c64c1' follows:
>  hasher/hsh-sh-cache-chroot-functions |   23 +++++++++++++++--------
>  1 files changed, 15 insertions(+), 8 deletions(-)
> 
> Changelog since `1.3.6-alt1-2-g37c64c1' follows:
> commit a674c56f168363a1aed57975fc1492e083f527b5
> Author: Alexey Tourbin <at@altlinux.ru>
> Date:   Sun Aug 10 09:39:34 2008 +0400
> 
>     hsh-sh-cache-chroot-functions: use lzop(1) to compress chroot.cpio

А это сильно замедлит работу hasher'а?

-- 
Regards,  Kirill A. Shutemov
 + Belarus, Minsk
 + ALT Linux Team, http://www.altlinux.com/

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Re: [devel] packages/hasher: heads/master

[Alexey Tourbin]

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On Sun, Aug 10, 2008 at 12:50:12PM +0300, Kirill A. Shutemov wrote:
> On Sun, Aug 10, 2008 at 09:48:12AM +0400, Alexey M. Tourbin wrote:
> > Update of /people/at/packages/hasher.git
> > 
> > Changes statistics since `1.3.6-alt1-2-g37c64c1' follows:
> >  hasher/hsh-sh-cache-chroot-functions |   23 +++++++++++++++--------
> >  1 files changed, 15 insertions(+), 8 deletions(-)
> > 
> > Changelog since `1.3.6-alt1-2-g37c64c1' follows:
> > commit a674c56f168363a1aed57975fc1492e083f527b5
> > Author: Alexey Tourbin <at@altlinux.ru>
> > Date:   Sun Aug 10 09:39:34 2008 +0400
> > 
> >     hsh-sh-cache-chroot-functions: use lzop(1) to compress chroot.cpio
> 
> А это сильно замедлит работу hasher'а?

Может даже ускорить.  У меня lzop сжимает chroot.cpio за 2 секуды,
а ражзимает за 0.7 секунд (это в три раза быстрее, чем 'gzip -1'
и zcat).  При этом размер уменьшается со 152M до 71M ('gzip -1'
дает 55M).

Короче, это realtime compressor, который сжимает и разжимает быстрее,
чем записывает и читает своп.

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