Date: Fri, 15 Mar 2013 13:34:28 +0200 From: Andriy Gapon <avg@FreeBSD.org> 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: <51430744.6020004@FreeBSD.org> In-Reply-To: <CAOjFWZ6Q=Vs3P-kfGysLzSbw4CnfrJkMEka4AqfSrQJFZDP_qw@mail.gmail.com> References: <CAOjFWZ6Q=Vs3P-kfGysLzSbw4CnfrJkMEka4AqfSrQJFZDP_qw@mail.gmail.com>
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on 14/03/2013 20:13 Freddie Cash said the following: > the l2arc_feed_thread of zfskern will spin until it takes up 100% > of a CPU core If you see a thread taking 100% where it shouldn't, then just profile it and actually see what it's doing. -- Andriy Gapon
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