Date: Thu, 09 Jan 2014 18:00:31 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Adrian Chadd <adrian@freebsd.org> Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org> Subject: Re: svn commit: r260486 - head/etc/defaults Message-ID: <52CEC79F.2090708@FreeBSD.org> In-Reply-To: <CAJ-VmokAfJVwHqdV=GojLj2EeDgU-njgVedWUBM6-Zv1mDgffw@mail.gmail.com> References: <201401091555.s09Fttju004938@svn.freebsd.org> <CAJ-VmokAfJVwHqdV=GojLj2EeDgU-njgVedWUBM6-Zv1mDgffw@mail.gmail.com>
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On 09.01.2014 17:57, Adrian Chadd wrote: > .. so with say, 128 core boxes showing up, is this really a good default? And what is the price? 16K+ of KVA per thread for thread stack, etc? 4 threads is probably much worse default there. May be nfsd's default could be tuned, but obviously it should not be hardcoded value. > On 9 January 2014 07:55, Alexander Motin <mav@freebsd.org> wrote: >> Author: mav >> Date: Thu Jan 9 15:55:55 2014 >> New Revision: 260486 >> URL: http://svnweb.freebsd.org/changeset/base/260486 >> >> Log: >> Remove very low default limit of 4 nfsd threads. nfsd's own default is >> 8 * hw.ncpu, that sounds more appropriate for these SMP/NCQ/... days. >> >> Modified: >> head/etc/defaults/rc.conf >> >> Modified: head/etc/defaults/rc.conf >> ============================================================================== >> --- head/etc/defaults/rc.conf Thu Jan 9 15:38:28 2014 (r260485) >> +++ head/etc/defaults/rc.conf Thu Jan 9 15:55:55 2014 (r260486) >> @@ -311,7 +311,7 @@ nfs_client_enable="NO" # This host is a >> nfs_access_cache="60" # Client cache timeout in seconds >> nfs_server_enable="NO" # This host is an NFS server (or NO). >> oldnfs_server_enable="NO" # Run the old NFS server (YES/NO). >> -nfs_server_flags="-u -t -n 4" # Flags to nfsd (if enabled). >> +nfs_server_flags="-u -t" # Flags to nfsd (if enabled). >> mountd_enable="NO" # Run mountd (or NO). >> mountd_flags="-r" # Flags to mountd (if NFS server enabled). >> weak_mountd_authentication="NO" # Allow non-root mount requests to be served. -- Alexander Motin
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