From: Claus Guttesen <kometen@gmail.com>
To: Laszlo Nagy <gandalf@shopzeus.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: UFS 2: soft updates vs. gjournal (AKA: Choosing a filesystem 2.)
Date: Wed, 24 Sep 2008 12:39:23 +0200
Message-ID: <b41c75520809240339t7f74278eu4d314b5f4b21b7f5@mail.gmail.com> (raw)
In-Reply-To: <48DA13EF.3060103@shopzeus.com>
References: <48DA13EF.3060103@shopzeus.com>
> Should I use gjournal on FreeBSD 7? Or just soft updates?
>
> Here is my opinion: I suspect that gjournal would be much slower than
> soft updates. Also gjournal is relatively new code, not very well
> tested. But gjournal is better when the system crashes. Although I have
> heard that sometimes gjournal will crash the system itself. There are
> more pros for soft updates I would pefer that. But please let me
> know if I'm wrong.
If softupdates suites your needs why not just use that? :-) Is
performance adequate with softupdates? I have a 103 GB db on FreeBSD
7.0 and softupdates and it has survived one unplanned stop when we had
a power-outage lasting some hours.
--
regards
Claus
When lenity and cruelty play for a kingdom,
the gentler gamester is the soonest winner.
Shakespeare
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To: pgsql-performance@postgresql.org
Cc: kometen@gmail.com, gandalf@shopzeus.com
Subject: Re: UFS 2: soft updates vs. gjournal (AKA: Choosing a filesystem 2.)
In-Reply-To: <b41c75520809240339t7f74278eu4d314b5f4b21b7f5@mail.gmail.com>
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