From mboxrd@z Thu Jan 1 00:00:00 1970 From: Craig Shelley Subject: Re: More Slowdown Date: Tue, 15 Nov 2005 14:27:09 +0000 Message-ID: <1132064829.8002.9.camel@teratron.lan.etheus.net> References: <200511111359.39715.jgilmore@glycou.com> <200511120906.39109.jgilmore@glycou.com> <1131997263.10816.56.camel@teratron.lan.etheus.net> <200511142147.07787.chrivers@iversen-net.dk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-JC1pyGE/BAhZVSkrWCaC" Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <200511142147.07787.chrivers@iversen-net.dk> List-Id: To: reiserfs-list@namesys.com --=-JC1pyGE/BAhZVSkrWCaC Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2005-11-14 at 21:47 +0100, Christian Iversen wrote: > That's _serisouly_ odd. I've seen something like this happen before, when= X=20 > programs generated some (non-harmful) X warnings. These were then written= =20 > into a log file, typically .xsession-errors or similar. Any chance that's= =20 > what you are seeing? >=20 This explains the problem with Evolution, it looks a bit trigger happy with the fsync call while resizing columns. craig@teratron.lan.etheus.net:~$ strace -p 8002 2>&1 | grep fsync fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 fsync(37) =3D 0 while true; do lsof -p 8002 2>&1 | grep 37w ; done evolution 8002 craig 37w REG 3,4 417 1901436 /mnt/storage/craig-home/.evolution/mail/views/.#custom_view-mbox:_h= ome_craig_.evolution_mail_local#Lists_Reiser4.xmlwhile=20 The file listed above seems to get moved, but is only a few hundred bytes. ls -lh /mnt/storage/craig-home/.evolution/mail/views/custom_view-mbox \:_home_craig_.evolution_mail_local#Lists_Reiser4.xml -rw------- 1 craig craig 417 2005-11-15 14:19 /mnt/storage/craig-home/.evolution/mail/views/custom_view-mbox:_home_= craig_.evolution_mail_local#Lists_Reiser4.xml Why does calling fsync on this one small file cause so much hard disk activity? --=20 Craig Shelley EMail: craig@microtron.org.uk Jabber: shell@jabber.earth.li --=-JC1pyGE/BAhZVSkrWCaC Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQBDefA95OI9vmOoVqERAmw/AJ4m9flKnu5rlnku/N8WjJwtD0qwWwCg9Enc U6CoxyoIvKCpXKfxqwxwNtU= =Eb57 -----END PGP SIGNATURE----- --=-JC1pyGE/BAhZVSkrWCaC--