* Andreas Dilger <adilger@xxxxxxxxx>:
> In ext3/4 the top-level inodes are spread around the filesystem, on the
> assumtion that something like /home or / is allocating trees of
> unrelated subdirectories at the top level, but that files within those
> subdirectories ARE related and should be allocated together.
>
> Depending on how many files are in your cache, the 256 * {small files}
> is likely too big to fit into a single block group (32k inodes, 32k
> blocks) so you may want to consider marking the first level of
> subdirectories with the "TOPDIR" flag, that indicates the second-level
> (256) subdirs should also be spread around the disk.
How do I mark subdirectories with the "TOPDIR" flag?
--
Ralf Hildebrandt
GeschÃftsbereich IT | Abteilung Netzwerk
Charità - UniversitÃtsmedizin Berlin
Campus Benjamin Franklin
Hindenburgdamm 30 | D-12203 Berlin
Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
ralf.hildebrandt@xxxxxxxxxx | http://www.charite.de
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