Date: Tue, 27 Feb 2018 22:00:56 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 219049] ftruncate() slow on UFS+journaled softupdates Message-ID: <bug-219049-3630-rZfB7Ett61@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-219049-3630@https.bugs.freebsd.org/bugzilla/> References: <bug-219049-3630@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219049 --- Comment #8 from info@murrawhip.net --- I just tried to recreate the issue using the script in OP, but my times don= 't look as bad as Walter's. FreeBSD site.com 11.1-RELEASE-p4 FreeBSD 11.1-RELEASE-p4 #0: Tue Nov 14 06:12:40 UTC 2017=20=20=20=20 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 /dev/da0p2 on / (ufs, NFS exported, local, journaled soft-updates) 0.066318722 ftruncate(3,0x186a0) =3D 0 (0x0) 0.025288527 ftruncate(3,0x186a0) =3D 0 (0x0) 0.274295490 ftruncate(3,0x186a0) =3D 0 (0x0) 0.044457881 ftruncate(3,0x186a0) =3D 0 (0x0) 0.108361900 ftruncate(3,0x186a0) =3D 0 (0x0) 0.124630942 ftruncate(3,0x186a0) =3D 0 (0x0) 0.126537198 ftruncate(3,0x186a0) =3D 0 (0x0) 0.042581028 ftruncate(3,0x186a0) =3D 0 (0x0) 0.054237172 ftruncate(3,0x186a0) =3D 0 (0x0) 0.068103733 ftruncate(3,0x186a0) =3D 0 (0x0) 0.126835073 ftruncate(3,0x186a0) =3D 0 (0x0) gstat: L(q) ops/s r/s kBps ms/r w/s kBps ms/w d/s kBps ms/d= =20=20=20 o/s ms/o %busy Name 0 7 0 0 0.0 7 115 15.4 0 0 0.0= =20=20=20=20 0 0.0 9.9 da0 0 5 0 0 0.0 5 69 15.5 0 0 0.0= =20=20=20=20 0 0.0 6.9 da0 0 1 0 0 0.0 1 0 8.7 0 0 0.0= =20=20=20=20 0 0.0 0.9 da0 0 4 0 0 0.0 4 67 23.4 0 0 0.0= =20=20=20=20 0 0.0 7.7 da0 0 5 0 0 0.0 5 68 16.0 0 0 0.0= =20=20=20=20 0 0.0 7.1 da0 --=20 You are receiving this mail because: You are the assignee for the bug.=
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