Now i have 2 Directories with ~500.000-600.000 files with an size of ~5kByte.
by copying the files from one disk to another or an direktory on the same disk
(equal behavior), i can see this behavior:
[ ... ]
Can anyone explain me from where this behavior can come?
Come thie eventually from the filesytem, or from my disks, so that
these are to hot? (I think not)
Directories are kept as lists. Adding files to the end of a list takes a longer time, as the list gets bigger. There is a kernel option called DIRHASH (UFS_DIRHASH?) which can be enabled which will help this kind of situation out significantly, but even with it, you aren't going to get great performance when you put a half-million files into a single directory.
Try breaking this content up into one or two levels of subdirectories. See the way the Squid cache works...
-- -Chuck
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