Date: Wed, 28 Aug 2013 12:20:52 -0700 From: Kirk McKusick <mckusick@mckusick.com> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: Call fo comments - raising vfs.ufs.dirhash_reclaimage? Message-ID: <201308281920.r7SJKqQJ021893@chez.mckusick.com> In-Reply-To: <CAF-QHFU80YC3W-k%2BTKM=y3JiVYi=1fp5CJjbCCk1y0VKXzcRQg@mail.gmail.com>
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I am in favor of your change to increase reclaimage from 5 to 60 seconds. As you note, the cost is small and when applicable, the benefits are large. You are also correct that most system adminsitrators do not know about these tuning knobs, so do not use them. We should do our best to auto-tune and set sensible defaults. Kirk McKusick
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