Date: Thu, 20 Oct 2016 16:03:09 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: "Eugene M. Zheganin" <emz@norma.perm.ru>, freebsd-stable@FreeBSD.org Subject: Re: zfs, a directory that used to hold lot of files and listing pause Message-ID: <5808CE9D.8080305@quip.cz> In-Reply-To: <4d9269af-ed64-bb73-eb7f-98a3f5ffd5a2@norma.perm.ru> References: <4d9269af-ed64-bb73-eb7f-98a3f5ffd5a2@norma.perm.ru>
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Eugene M. Zheganin wrote on 2016/10/20 15:47: > Hi. > > I have FreeBSD 10.2-STABLE r289293 (but I have observed this situation > on different releases) and a zfs. I also have one directory that used to > have a lot of (tens of thousands) files. I surely takes a lot of time to > get a listing of it. But now I have 2 files and a couple of dozens > directories in it (I sorted files into directories). Surprisingly, > there's still a lag between "ls" and an output: [...] > I've seen this situation before, on other servers, so it's not the first > time I encounter this. However, it's not 100% reproducible (I mean, if I > fill the directory with dozens of thousands of files, I will not > certainly get this lag after the deletion). What about snapshots? Are there any snapshots on this filesystem? Or scrub running in the background? Miroslav Lachman
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