Date: Thu, 14 Mar 2013 18:41:58 +0000 From: Daniel Kalchev <daniel@digsys.bg> To: Freddie Cash <fjwcash@gmail.com> Cc: FreeBSD Filesystems <freebsd-fs@freebsd.org> Subject: Re: Strange slowdown when cache devices enabled in ZFS Message-ID: <26456299-66A3-4CCF-9B9A-906D47EFFC93@digsys.bg> In-Reply-To: <CAOjFWZ6Q=Vs3P-kfGysLzSbw4CnfrJkMEka4AqfSrQJFZDP_qw@mail.gmail.com> References: <CAOjFWZ6Q=Vs3P-kfGysLzSbw4CnfrJkMEka4AqfSrQJFZDP_qw@mail.gmail.com>
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Just an idea - have you tried to increase the L2ARC fill rate? That might mo= ve data faster from RAM to L2ARC.. Don't remember the says to offhand. Might be dedup kicking in and not able to get "swapped out" fast enough. Daniel=
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