Date: Fri, 27 Nov 2015 11:21:36 +0200 From: Ivan Klymenko <fidaj@ukr.net> To: "Eugene M. Zheganin" <emz@norma.perm.ru> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: high disk %busy, while almost nothing happens Message-ID: <20151127112136.363b11be@nonamehost.local> In-Reply-To: <5657E07D.9020307@norma.perm.ru> References: <5656CE96.9000103@norma.perm.ru> <20151126223718.57f088d9@nonamehost.local> <5657E07D.9020307@norma.perm.ru>
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On Fri, 27 Nov 2015 09:47:57 +0500 "Eugene M. Zheganin" <emz@norma.perm.ru> wrote: > Hi. > > On 27.11.2015 01:37, Ivan Klymenko wrote: > > On Thu, 26 Nov 2015 14:19:18 +0500 > > "Eugene M. Zheganin" <emz@norma.perm.ru> wrote: > > > >> Hi. > >> > >> I'm using FreeBSD 10.1-STABLE as an application server, last week > >> I've noticed that disks are always busy while gstat shows that the > >> activity measured in iops/reads/writes is low, form my point of > >> view: > > Hi. > > > > You have processes with STATE zio->i ? > hard to tell now, since I've managed to solve the problem. If I > encounter this again, with the state you mentioned, what could it > mean ? > No idea, but some friends faced with a similar problem in the 11-CURRENT after some changes - then with the MFC could face with a similar problem in the 10-STABLE systems. In any case, such a regression was significantly visible.
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