System briefly freezes every time when a very large UFS directory is filled with files

[Wojciech Puchar]

> I have one directory that has ~1.2M files on UFS system.
> Every time when the process that creates files there reaches a particular 
> point (~0.9M files), system invariably freezes for ~10 seconds, after which 
> it continues and process succeeds.

how large is your
vfs.ufs.dirhash_maxmem



>
> I know that this is quite an extreme number of files but, other than this 
> problem, it is usable in this setup.
>
> Maybe someone can think of some fix or the immediate reason of such freezes? 
> This isn't a good problem to have, even in the view of an extremity of this 
> situation.
>
> Yuri
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