Date: Mon, 10 Mar 2014 12:27:31 -0500 From: Adam Vande More <amvandemore@gmail.com> To: Adrian Gschwend <ml-ktk@netlabs.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: Reoccuring ZFS performance problems Message-ID: <CA%2BtpaK1q8KRVB5HTMiu_Szy0XnbLMKzXKa4PC=USj05C4WFE7A@mail.gmail.com> In-Reply-To: <531DF0DD.8070809@netlabs.org> References: <531DF0DD.8070809@netlabs.org>
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On Mon, Mar 10, 2014 at 12:05 PM, Adrian Gschwend <ml-ktk@netlabs.org>wrote: > First I thought disabling prefetch did solve the issue for a while. But > it looks like I was too optimistic with that one. However, ls feels > *much* faster when the system is happy since I disabled prefetch. > > I'm really totally lost on this one so I would appreciate hints about > how to debug that. > > I'm willing to test whatever it takes to figure out where this issue is. > Are you using a ZFS backed swap device? -- Adam
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