From owner-freebsd-stable@FreeBSD.ORG Mon Aug 18 18:42:31 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4160A168 for ; Mon, 18 Aug 2014 18:42:31 +0000 (UTC) Received: from mail.intermedix.com (mail.epbs.com [66.210.191.9]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "Barracuda/emailAddress=sales@barracuda.com", Issuer "Barracuda/emailAddress=sales@barracuda.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 01E5A373C for ; Mon, 18 Aug 2014 18:42:30 +0000 (UTC) X-ASG-Debug-ID: 1408387342-049956373835ad30001-BIHDGU Received: from mailgate00.corp.okcyok1.priv.intermedix.com (mailgate00.epbs.com [10.130.4.34]) by mail.intermedix.com with ESMTP id DAZo4OcG4kwuBrYO; Mon, 18 Aug 2014 13:42:22 -0500 (CDT) X-Barracuda-Envelope-From: Steve.Polyack@intermedix.com X-ASG-Whitelist: Client X-WSS-ID: 0NAIMMJ-01-PMS-02 X-M-MSG: Received: from exchange02.epbs.com (exchange02.okcyok0.priv.intermedix.com [192.168.25.29]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by mailgate00.corp.okcyok1.priv.intermedix.com (Postfix) with ESMTPS id 2CC5358005; Mon, 18 Aug 2014 13:42:19 -0500 (CDT) Received: from EXCHANGE03.epbs.com ([0000:0000:0000:0000:0000:0000:0.0.0.1]) by exchange02.epbs.com ([192.168.25.29]) with mapi; Mon, 18 Aug 2014 13:42:22 -0500 From: "Polyack, Steve" To: "alc@freebsd.org" Date: Mon, 18 Aug 2014 13:42:20 -0500 Subject: RE: vmdaemon CPU usage and poor performance in 10.0-RELEASE Thread-Topic: vmdaemon CPU usage and poor performance in 10.0-RELEASE X-ASG-Orig-Subj: RE: vmdaemon CPU usage and poor performance in 10.0-RELEASE Thread-Index: Ac+3EY/uJwiIDP4SRii/8rwr+hMdpwEAo1Iw Message-ID: <4D557EC7CC2A544AA7C1A3B9CBA2B3672609BBA3C4@exchange03.epbs.com> References: <4D557EC7CC2A544AA7C1A3B9CBA2B36726098846B4@exchange03.epbs.com> <20140813152522.GI9400@home.opsec.eu> <4D557EC7CC2A544AA7C1A3B9CBA2B36726098847AF@exchange03.epbs.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Barracuda-Connect: mailgate00.epbs.com[10.130.4.34] X-Barracuda-Start-Time: 1408387342 X-Barracuda-URL: http://192.168.25.21:8000/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at intermedix.com X-Barracuda-BRTS-Status: 1 Cc: Kurt Jaeger , "freebsd-stable@freebsd.org" X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Aug 2014 18:42:31 -0000 Excuse my poorly formatted reply at the moment, but this seems to have fixe= d our problems. I'm going to update the bug report with a note. Thanks Alan! Steve Polyack > -----Original Message----- > From: owner-freebsd-stable@freebsd.org [mailto:owner-freebsd- > stable@freebsd.org] On Behalf Of Alan Cox > Sent: Wednesday, August 13, 2014 12:14 PM > To: Polyack, Steve > Cc: Kurt Jaeger; freebsd-stable@freebsd.org > Subject: Re: vmdaemon CPU usage and poor performance in 10.0-RELEASE >=20 > On Wed, Aug 13, 2014 at 10:42 AM, Polyack, Steve < > Steve.Polyack@intermedix.com> wrote: >=20 > > > > > -----Original Message----- > > > From: Kurt Jaeger [mailto:lists@opsec.eu] > > > Sent: Wednesday, August 13, 2014 11:25 AM > > > > > > Hi! > > > > > > > We have a handful of database servers running FreeBSD 10.0-RELEASE > > > > and PostgreSQL 9.3.4. The servers have 128GB or 256GB of RAM. > > > > > > Are you aware of the recent work on that topic ? > > > > > > https://www.freebsd.org/news/status/report-2014-04-2014- > > > 06.html#PostgreSQL-Performance-Improvements > > > > > > Maybe kib@ knows more about this ? > > > > > > > I've recently read over this and some other posts, but they all seem to > > center around poor postgres performance. In our case at least, some li= ght > > to medium usage of postgres generally makes the entire system unusable. > > > > The patches & documents linked there also all seem to be for -CURRENT, > > which we aren't running. We're not too keen on the idea of using > CURRENT > > in production, either. We're planning on testing 10-STABLE, but I was = just > > hoping to gain some insight into what the problem may be and whether > recent > > commits to vmdaemon code in the -STABLE tree may have a positive effect > on > > what we've seen. > > > > >=20 > There is a good chance that your problem is fixed by r265945. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable- > unsubscribe@freebsd.org"