[PATCH] fadvise(2) system call
Lev Serebryakov
lev at serebryakov.spb.ru
Sat Oct 29 22:40:57 UTC 2011
Hello, Doug.
You wrote 29 октября 2011 г., 5:21:18:
>> You can read the description of posix_fadvise() (which this implements) here:
> If you want a real-world consumer of posix_fadvise you can take a look
> at net-p2p/libtorrent-rasterbar15. The code is ifdef'ed out for FreeBSD
> because we don't have that yet, but it should be obvious how to
> re-enable it. There are a few clients that use that lib, qbittorrent is
> probably the most straightforward.
net-p2p/transmission-daemon could be used, too. It shows very poor
performance on UFS (90% in pread() call and 50% of wall time to
saturate 40Mbit/s channel from fast disk) compared to Linux, where
such interface exists.
--
// Black Lion AKA Lev Serebryakov <lev at serebryakov.spb.ru>
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