Date: Thu, 01 Nov 2007 02:19:20 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-stable@freebsd.org Subject: Re: rrdtool performance tuning (fwd) Message-ID: <fgb9ir$kq4$1@ger.gmane.org> In-Reply-To: <20071029111235.E69594@woozle.rinet.ru> References: <20071029111235.E69594@woozle.rinet.ru>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigE6D75847D319B9F49C874FC9 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Dmitry Morozovsky wrote: > [hmm, after thinking a bit I decided it would be more appropriate here,= in=20 > stable@] >=20 > Dear colleagues, >=20 > any hints to tune rrdtool with ~30k rrd files (approx 2k target devices= )? >=20 > machine is mostly IO-bound, showing 100% disk load with 8 or sometimes = even 3=20 > mB/s, 300-400 tps (it's 2 SATA300 disks in gmirror) If you're willing to try RELENG_7, gjournal might help you, if you put the journal on a separate drive (i.e. separate from these two). Other than that, maybe you could set the rrd files on an async file system and then take periodic snapshots from that. --------------enigE6D75847D319B9F49C874FC9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHKSmYldnAQVacBcgRAkkqAKCdVT4jFa7t+AmbKcpPYR4IIRgR6QCgxxSj w5tceq3kiTGko3GUc11Y8Xg= =M4lj -----END PGP SIGNATURE----- --------------enigE6D75847D319B9F49C874FC9--
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