On 2013-09-17 2:00 PM, Volker Armin Hemmann <volkerar...@googlemail.com>
wrote:
use ECC ram. Lots of it. 16GB DDR3 1600 ECC ram cost you less than 170€.
And it is worth it. ZFS showed me just how many silent corruptions can
happen on a 'stable' system. Errors never seen neither detected thanks
to using 'standard' ram.
turn off readahead. ZFS' own readahead and the kernel's clash - badly.
Turn off kernel's readahead for a visible performance boon.
use noop as io-scheduler.
Is there a good place to read about these kinds of tuning parameters?