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Date:      Wed, 21 May 2008 18:25:30 +0200
From:      CZUCZY Gergely <gergely.czuczy@harmless.hu>
To:        <t.pajor@kei.pl>
Cc:        freebsd-performance@freebsd.org
Subject:   Re: mysql performance on freebsd 7
Message-ID:  <20080521182530.23c8f787@mort.in.publishing.hu>
In-Reply-To: <3abeb97e28be5b2107ea97e65ae88762.t.pajor@kei.pl>
References:  <be8c1fa47808266f0e520175c6bbbf1e.t.pajor@kei.pl> <20080521155508.6ccfcfb5@twoflower.in.publishing.hu> <3abeb97e28be5b2107ea97e65ae88762.t.pajor@kei.pl>

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On Wed, 21 May 2008 16:45:07 +0200
<t.pajor@kei.pl> wrote:

> > May I ask whether you are using innodb or myisam? both on freebsd
> > and Linux. And what filesystem are you using for mysql's data
> > files? UFS, ZFS or anything else?
>=20
> MySQL engine used is MEMORY, filesystem is ufs, but it's not relevant.
sure it is relevant. check my results:
http://phoemix.harmless.hu/dbtests/

=20
> > IIRC there's some hack to reduce gettimeofday()'s precision in
> > advance to enhance it's performance, that could also help a bit.
>=20
> What do You mean?
I mean what I've told you, no more, no less.
google://freebsd+gettimeofday+mysql+tuning

> > Have you built your mysql with linking it against libthr?
>=20
> It's a standard build from ports-current.
Standard build from ports"-current" pops up a dialog called "OPTIONS",
where you can set these options. How have you set them?

>=20
> Stats are at http://p1.kei.pl/mon/
>=20
>=20
>=20
> _______________________________________________
> freebsd-performance@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-performance
> To unsubscribe, send any mail to
> "freebsd-performance-unsubscribe@freebsd.org"


--=20

Sincerely,

Gergely CZUCZY,
Harmless Digital
mailto: gergely.czuczy@harmless.hu

Legacy software is software that works.

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