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Date: Sun, 4 Jul 2004 21:20:15 +0200
From: "Simon L. Nielsen" <simon@FreeBSD.org>
To: Colin Percival <cperciva@FreeBSD.org>
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Subject: Re: cvs commit: src/usr.sbin/syslogd syslogd.c
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On 2004.07.04 19:13:58 +0000, Colin Percival wrote:
> cperciva    2004-07-04 19:13:58 UTC
>=20
>   FreeBSD src repository
>=20
>   Modified files:
>     usr.sbin/syslogd     syslogd.c=20
>   Log:
>   Where syslogd would have fsync()ed a file in the past, instead set a fl=
ag
>   FFLAG_NEEDSYNC and fsync the file when select() next returns zero.  This
>   dramatically speeds up the process of logging large amounts of data, wh=
ile
>   leaving the essential semantics (that data can be expected to be on disk
>   if we crash) unchanged.
>  =20
>   In my tests, this speeds up the rc phase of booting by 18-20%. [1]

Cool! :-).

--=20
Simon L. Nielsen
FreeBSD Documentation Team

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