Performance issues with 8.0 ZFS and sendfile/lighttpd

[Ivan Voras]

2009/11/7 Jeremy Chadwick <freebsd at jdc.parodius.com>:

>> Yes, loader values are one year old when I installed this machine.
>> But I think auto tuning was commited after 7.2-RELEASE by Kip Macy,
>> so some of them are still needed or am I wrong? (this is
>> 7.2-RELEASE). ...
>
> We don't know, because none of the individuals who are maintaining ZFS
> at this point in time have actually responded to this question.
>
> http://lists.freebsd.org/pipermail/freebsd-stable/2009-October/052256.html

Only as a data point and not suggesting anything official: I have
managed to panic 8-STABLE with ZFS kmem exhaustion, so... *shrug* I'm
still scared of using it.