Date: Tue, 27 Aug 2013 17:40:00 +0400 From: Sergey Kandaurov <pluknet@gmail.com> To: Robert Burmeister <Robert.Burmeister@utoledo.edu> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Suggest changing dirhash defaults for FreeBSD 9.2. Message-ID: <CAE-mSOLCYRM0LRLRgmaEZN1u5ozttJZC3kWtw3Zarqik1N29zw@mail.gmail.com> In-Reply-To: <521C9E85.4060801@UToledo.edu> References: <521C9E85.4060801@UToledo.edu>
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On 27 August 2013 16:41, Robert Burmeister <Robert.Burmeister@utoledo.edu> wrote: > > I have been experimenting with dirhash settings, and have scoured the internet for other peoples' experience with it. > (I found the performance improvement in compiling has forestalled the need to add an SSD drive. ;-) > > I believe that increasing the following values by 10 would benefit most FreeBSD users without disadvantage. > > vfs.ufs.dirhash_maxmem: 2097152 to 20971520 > > vfs.ufs.dirhash_reclaimage: 5 to 50 or 60 vfs.ufs.dirhash_maxmem is further autotuned based on available physical memory. See r214359 for details. -- wbr, pluknet
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