[CentOS-mirror] hardlink policy in central mirror

João Carlos Mendes Luís jonny at jonny.eng.br
Thu Nov 5 23:54:32 UTC 2009


Hi,

    I've already noticed that almost 30G of data is saved on CentOS 
mirrors (only counting release 4/5, i386 and x86_64 archs), just by 
using hardlinks for similar packages.

    But I have gone further, and checked if something else could be 
saved, and my hardlink report is this:


Directories 404
Objects 45722
IFREG 45231
Mmaps 307
Comparisons 308
Would link 300
Would save 78958592

  Another 300 files, 79Mbytes could be saved.  Not as much as what is 
already saved, but some (38) of these files are RPMs, so it makes me 
wonder if the hardlink process is not automatic at all, and who should I 
contact in such cases, if not this list.


Would link ./5.4/os/i386/CentOS/libwpd-devel-0.8.7-3.el5.i386.rpm to 
./5.4/os/x86_64/CentOS/libwpd-devel-0.8.7-3.el5.i386.rpm
Would link ./5.4/os/i386/CentOS/libsilc-devel-1.0.2-2.fc6.i386.rpm to 
./5.4/os/x86_64/CentOS/libsilc-devel-1.0.2-2.fc6.i386.rpm
Would link ./5.4/os/i386/CentOS/libgpod-devel-0.4.0-1.el5.i386.rpm to 
./5.4/os/x86_64/CentOS/libgpod-devel-0.4.0-1.el5.i386.rpm
Would link ./5.4/os/i386/CentOS/libgpod-0.4.0-1.el5.i386.rpm to 
./5.4/os/x86_64/CentOS/libgpod-0.4.0-1.el5.i386.rpm
Would link ./5.4/os/i386/CentOS/libwpd-devel-0.8.7-3.el5.i386.rpm to 
./5.4/extras/i386/RPMS/libwpd-devel-0.8.7-3.el5.i386.rpm, would save 12894
Would link ./5.4/os/i386/CentOS/libsilc-devel-1.0.2-2.fc6.i386.rpm to 
./5.4/extras/i386/RPMS/libsilc-devel-1.0.2-2.fc6.i386.rpm, would save 220674
Would link ./5.4/os/i386/CentOS/libgpod-0.4.0-1.el5.i386.rpm to 
./5.4/extras/i386/RPMS/libgpod-0.4.0-1.el5.i386.rpm, would save 99870
Would link ./4.8/updates/i386/RPMS/tzdata-2009o-2.el4.noarch.rpm to 
./4.8/updates/x86_64/RPMS/tzdata-2009o-2.el4.noarch.rpm, would save 468167
Would link 
./4.8/updates/i386/RPMS/kernel-doc-2.6.9-89.0.15.EL.noarch.rpm to 
./4.8/updates/x86_64/RPMS/kernel-doc-2.6.9-89.0.15.EL.noarch.rpm, would 
save 2369828
Would link 
./4.8/updates/i386/RPMS/kernel-doc-2.6.9-89.0.16.EL.noarch.rpm to 
./4.8/updates/x86_64/RPMS/kernel-doc-2.6.9-89.0.16.EL.noarch.rpm, would 
save 2369859
Would link 
./4.8/centosplus/i386/RPMS/kernel-doc-2.6.9-89.0.15.plus.c4.noarch.rpm 
to 
./4.8/centosplus/x86_64/RPMS/kernel-doc-2.6.9-89.0.15.plus.c4.noarch.rpm, 
would save 2370306
Would link ./4.8/centosplus/i386/RPMS/kmod-xfs-0.4-2.el4.i686.rpm to 
./4.8/extras/i386/RPMS/kmod-xfs-0.4-2.el4.i686.rpm
Would link ./4.8/centosplus/i386/RPMS/kmod-xfs-xenU-0.4-2.el4.i686.rpm 
to ./4.8/extras/i386/RPMS/kmod-xfs-xenU-0.4-2.el4.i686.rpm
Would link 
./4.8/centosplus/i386/RPMS/kmod-xfs-hugemem-0.4-2.el4.i686.rpm to 
./4.8/extras/i386/RPMS/kmod-xfs-hugemem-0.4-2.el4.i686.rpm
Would link ./4.8/centosplus/i386/RPMS/kmod-xfs-smp-0.4-2.el4.i686.rpm to 
./4.8/extras/i386/RPMS/kmod-xfs-smp-0.4-2.el4.i686.rpm
Would link ./4.8/centosplus/x86_64/RPMS/kmod-xfs-0.4-2.el4.x86_64.rpm to 
./4.8/extras/x86_64/RPMS/kmod-xfs-0.4-2.el4.x86_64.rpm
Would link 
./4.8/centosplus/x86_64/RPMS/kmod-xfs-largesmp-0.4-2.el4.x86_64.rpm to 
./4.8/extras/x86_64/RPMS/kmod-xfs-largesmp-0.4-2.el4.x86_64.rpm
Would link 
./4.8/centosplus/x86_64/RPMS/kmod-xfs-xenU-0.4-2.el4.x86_64.rpm to 
./4.8/extras/x86_64/RPMS/kmod-xfs-xenU-0.4-2.el4.x86_64.rpm
Would link 
./4.8/centosplus/x86_64/RPMS/kmod-xfs-smp-0.4-2.el4.x86_64.rpm to 
./4.8/extras/x86_64/RPMS/kmod-xfs-smp-0.4-2.el4.x86_64.rpm
Would link ./4.8/centosplus/i386/RPMS/kmod-xfs-0.4-2.el4.i686.rpm to 
./4.7/extras/i386/RPMS/kmod-xfs-0.4-2.el4.i686.rpm
Would link ./4.8/centosplus/i386/RPMS/kmod-xfs-xenU-0.4-2.el4.i686.rpm 
to ./4.7/extras/i386/RPMS/kmod-xfs-xenU-0.4-2.el4.i686.rpm
Would link 
./4.8/centosplus/i386/RPMS/kmod-xfs-hugemem-0.4-2.el4.i686.rpm to 
./4.7/extras/i386/RPMS/kmod-xfs-hugemem-0.4-2.el4.i686.rpm
Would link ./4.8/centosplus/i386/RPMS/kmod-xfs-smp-0.4-2.el4.i686.rpm to 
./4.7/extras/i386/RPMS/kmod-xfs-smp-0.4-2.el4.i686.rpm
Would link ./4.8/centosplus/x86_64/RPMS/kmod-xfs-0.4-2.el4.x86_64.rpm to 
./4.7/extras/x86_64/RPMS/kmod-xfs-0.4-2.el4.x86_64.rpm
Would link 
./4.8/centosplus/x86_64/RPMS/kmod-xfs-largesmp-0.4-2.el4.x86_64.rpm to 
./4.7/extras/x86_64/RPMS/kmod-xfs-largesmp-0.4-2.el4.x86_64.rpm
Would link 
./4.8/centosplus/x86_64/RPMS/kmod-xfs-xenU-0.4-2.el4.x86_64.rpm to 
./4.7/extras/x86_64/RPMS/kmod-xfs-xenU-0.4-2.el4.x86_64.rpm
Would link 
./4.8/centosplus/x86_64/RPMS/kmod-xfs-smp-0.4-2.el4.x86_64.rpm to 
./4.7/extras/x86_64/RPMS/kmod-xfs-smp-0.4-2.el4.x86_64.rpm
Would link ./5.4/os/i386/CentOS/libwpd-devel-0.8.7-3.el5.i386.rpm to 
./5.3/os/i386/CentOS/libwpd-devel-0.8.7-3.el5.i386.rpm, would save 12894
Would link ./5.4/os/i386/CentOS/libsilc-devel-1.0.2-2.fc6.i386.rpm to 
./5.3/os/i386/CentOS/libsilc-devel-1.0.2-2.fc6.i386.rpm, would save 220674
Would link ./5.4/os/i386/CentOS/libgpod-devel-0.4.0-1.el5.i386.rpm to 
./5.3/os/i386/CentOS/libgpod-devel-0.4.0-1.el5.i386.rpm, would save 45327
Would link ./5.4/os/i386/CentOS/libgpod-0.4.0-1.el5.i386.rpm to 
./5.3/os/i386/CentOS/libgpod-0.4.0-1.el5.i386.rpm, would save 99870
Would link ./5.4/os/i386/CentOS/libwpd-devel-0.8.7-3.el5.i386.rpm to 
./5.3/os/x86_64/CentOS/libwpd-devel-0.8.7-3.el5.i386.rpm
Would link ./5.4/os/i386/CentOS/libsilc-devel-1.0.2-2.fc6.i386.rpm to 
./5.3/os/x86_64/CentOS/libsilc-devel-1.0.2-2.fc6.i386.rpm
Would link ./5.4/os/i386/CentOS/libgpod-devel-0.4.0-1.el5.i386.rpm to 
./5.3/os/x86_64/CentOS/libgpod-devel-0.4.0-1.el5.i386.rpm
Would link ./5.4/os/i386/CentOS/libgpod-0.4.0-1.el5.i386.rpm to 
./5.3/os/x86_64/CentOS/libgpod-0.4.0-1.el5.i386.rpm
Would link ./5.4/os/i386/CentOS/libwpd-devel-0.8.7-3.el5.i386.rpm to 
./5.3/extras/i386/RPMS/libwpd-devel-0.8.7-3.el5.i386.rpm, would save 12894
Would link ./5.4/os/i386/CentOS/libsilc-devel-1.0.2-2.fc6.i386.rpm to 
./5.3/extras/i386/RPMS/libsilc-devel-1.0.2-2.fc6.i386.rpm, would save 220674
Would link ./5.4/os/i386/CentOS/libgpod-0.4.0-1.el5.i386.rpm to 
./5.3/extras/i386/RPMS/libgpod-0.4.0-1.el5.i386.rpm, would save 99870



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