Received: from localhost (maia-4.hub.org [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 17AB09FBA76 for ; Tue, 8 May 2007 01:41:45 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 74822-06 for ; Tue, 8 May 2007 01:41:42 -0300 (ADT) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.4 Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.238]) by postgresql.org (Postfix) with ESMTP id 3FBEC9FB96B for ; Tue, 8 May 2007 01:41:41 -0300 (ADT) Received: by nz-out-0506.google.com with SMTP id s1so1945017nze for ; Mon, 07 May 2007 21:41:40 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:disposition-notification-to:date:from:user-agent:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding; b=dpy4X65AIWLJ1XP9fCGEU8PnYUkGHPvWkr52E+iQ6msdvLSENQ48uaJ2TRRAkSm1r64URSmGdKuU3yrTEt7a4hDCP1p0IHS5CaoyA/RbD7glM7C5I7IR/dBAEwWdaGfoEm01zJh0Bjh77JepF5F8rVpI2hrEsxINmMnJdRpogTs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:disposition-notification-to:date:from:user-agent:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding; b=kmJj1i7Dlw8guPbKh76IRj6GaqhjBgy31qy1cWa+8q4cyv3XmJrBuG44/8At6RvZq88H2BwRviMydGblQbZKkbd8XBml5Y4MDJAUIfa+lVPCM4gioBWpUnAjdESIyOW7Sv86JprPDO/h66ZjeYOZJRIXrwhx9OTkdl/h7xQV/zo= Received: by 10.114.102.1 with SMTP id z1mr2440160wab.1178599300169; Mon, 07 May 2007 21:41:40 -0700 (PDT) Received: from ?222.71.188.109? ( [222.71.188.109]) by mx.google.com with ESMTP id m26sm256337pof.2007.05.07.21.41.36; Mon, 07 May 2007 21:41:38 -0700 (PDT) Message-ID: <463FFF76.5070108@gmail.com> Date: Tue, 08 May 2007 12:41:26 +0800 From: =?UTF-8?B?5p2O5b2mIElhbiBMaQ==?= User-Agent: Icedove 1.5.0.10 (X11/20070329) MIME-Version: 1.0 To: PostgreSQL Performance Subject: Re: Best OS for Postgres 8.2 References: <1178574927.533849.90730@e51g2000hsg.googlegroups.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200705/84 X-Sequence-Number: 24474 In #postgresql on freenode, somebody ever mentioned that ZFS from Solaris helps a lot to the performance of pgsql, so dose anyone have information about that? Steve Atkins wrote: > > On May 7, 2007, at 2:55 PM, David Levy wrote: > >> Hi, >> >> I am about to order a new server for my Postgres cluster. I will >> probably get a Dual Xeon Quad Core instead of my current Dual Xeon. >> Which OS would you recommend to optimize Postgres behaviour (i/o >> access, multithreading, etc) ? >> >> I am hesitating between Fedora Core 6, CentOS and Debian. Can anyone >> help with this ? > > Well, all three you mention are much the same, just with a different > badge on the box, as far as performance is concerned. They're all > going to be a moderately recent Linux kernel, with your choice > of filesystems, so any choice between them is going to be driven > more by available staff and support or personal preference. > > I'd probably go CentOS 5 over Fedora just because Fedora doesn't > get supported for very long - more of an issue with a dedicated > database box with a long lifespan than your typical desktop or > interchangeable webserver. > > I might also look at Solaris 10, though. I've yet to play with it much, > but it > seems nice, and I suspect it might manage 8 cores better than current > Linux setups. > > Cheers, > Steve > > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings > Regards Ian