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Re: Opinions sought on best storage type for FreeBSD

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On fre, 2007-08-10 at 06:50 -0300, Michel Santos wrote:

> please be a little bit more specific about "comitting resources", what do
> you exactly mean?

Gettin a developer working on fixing the bugs.

> what is what you agree to be broken beyond the shutdown issue?

Bug #761 unstable under high load when using diskd cache_dir

diskd falls over under load due to internal design problems in how it
maintains callback queues. Duane fixed most of it quite recently so it's
no longer near as bad as it has been, but there is still stuff to do.
The problems was first reported 5 years ago.

> ok you mean threads instead of pthreads right?

I don't know the FreeBSD thread packages very well to call them by name.
I only know there is two posix threads implementations. One userspace
which is what has been around for a long time and can not support aufs
with any reasonable performance, and a new one in more current releases
using kernel threads which is quite capable of supporting aufs.

Regards
Henrik

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