Date: Thu, 17 May 2012 12:38:57 +1000 From: Peter Jeremy <peter@rulingia.com> To: Devin Teske <dteske@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: "make delete-old" performance. Message-ID: <20120517023857.GE84284@server.rulingia.com> In-Reply-To: <E190F352-605D-4EDA-B96D-2105870B2442@fisglobal.com> References: <20120516230615.GC84284@server.rulingia.com> <E190F352-605D-4EDA-B96D-2105870B2442@fisglobal.com>
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--5QAgd0e35j3NYeGe Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2012-May-16 18:11:32 -0700, Devin Teske <devin.teske@fisglobal.com> wrot= e: >Right now, I believe the most useful comparison between systems is >(assuming UFS is in play) the output of "tunefs -p" for the >filesystem that the slowness is appearing on. These systems all run ZFS and apart from the first run, there doesn't seem to be any disk activity at all. It looks like the kernel is the bottleneck. >SoftUpdates (and whether it's enabled or disabled) can play a huge >difference in how fast file-deletions are. I've already successfully run "make delete-old" so there are no actual file deletions. This is all just looking for files that aren't present. --=20 Peter Jeremy --5QAgd0e35j3NYeGe Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAk+0ZMEACgkQ/opHv/APuIdBAACgvKuCI0Sh2SbX88ZMlQ/I1uHh qcUAoLZoa5Edo7BytFvSgq7HtUgaIQX+ =JNIk -----END PGP SIGNATURE----- --5QAgd0e35j3NYeGe--
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