From oracle-l-bounce@freelists.org Mon Oct 24 16:44:27 2005 Return-Path: Received: from air891.startdedicated.com (root@localhost) by orafaq.com (8.12.10/8.12.10) with ESMTP id j9OLiRqG021603 for ; Mon, 24 Oct 2005 16:44:27 -0500 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air891.startdedicated.com (8.12.10/8.12.10) with ESMTP id j9OLiPvX021593 for ; Mon, 24 Oct 2005 16:44:25 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 95DB420D624; Mon, 24 Oct 2005 16:44:21 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 03664-05; Mon, 24 Oct 2005 16:44:21 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 1081D20D709; Mon, 24 Oct 2005 16:44:21 -0500 (EST) X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C5D8E3.D17721C4" Subject: RE: oracle is causing high WIO Date: Mon, 24 Oct 2005 14:42:23 -0700 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: oracle is causing high WIO Thread-Index: AcXYt+GzY86FBI6HSRKaq8t4V+PWUgAK5WRA From: "John Kanagaraj" To: , Cc: X-OriginalArrivalTime: 24 Oct 2005 21:42:23.0673 (UTC) FILETIME=[D1AABA90:01C5D8E3] X-archive-position: 27479 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: john.kanagaraj@hds.com Precedence: normal Reply-To: john.kanagaraj@hds.com X-list: oracle-l X-Virus-Scanned: by amavisd-new-20030616-p9 (Debian) at avenirtech.net X-mailscan-MailScanner-Information: Please contact the ISP for more information X-mailscan-MailScanner: Found to be clean X-MailScanner-From: oracle-l-bounce@freelists.org X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on air891.startdedicated.com X-Spam-Level: X-Spam-Status: No, hits=-3.6 required=5.0 tests=AWL,BAYES_00, HTML_FONTCOLOR_BLUE,HTML_MESSAGE autolearn=no version=2.63 ------_=_NextPart_001_01C5D8E3.D17721C4 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Raja, =20 Were there any recent changes (on both Oracle and UNIX side)? High WIO could also be caused by heavy swapping (not just paging). Use sar -q to see the swap queue and sar -d to determine which disk (or LUN) is causing this issue... Did you have any memory errors that required a reboot and the Sa just pulled out some memory cards? Could be a lot of things, not necessarily Oracle. =20 John Kanagaraj <>< DB Soft Inc Phone: 408-970-7002 (W) =20 Co-Author: Oracle Database 10g Insider Solutions http://www.samspublishing.com/title/0672327910 =20 ** The opinions and facts contained in this message are entirely mine and do not reflect those of my employer or customers ** ________________________________ From: oracle-l-bounce@freelists.org [mailto:oracle-l-bounce@freelists.org] On Behalf Of raja rao Sent: Monday, October 24, 2005 9:26 AM To: ganstadba@hotmail.com Cc: oracle-l@freelists.org Subject: Re: oracle is causing high WIO even after the startup restrict also the below is the WIO: =20 $ sar -u 2 5 SunOS oracle 5.9 Generic_117171-02 sun4u 10/24/2005 12:09:30 %usr %sys %wio %idle 12:09:32 11 6 64 19 12:09:34 12 7 66 16 12:09:36 4 1 90 6 12:09:38 0 0 94 5 12:09:40 0 0 90 10 $ ------_=_NextPart_001_01C5D8E3.D17721C4 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Raja,

Were there any recent changes (on both Oracle = and UNIX=20 side)? High WIO could also be caused by heavy swapping (not just = paging). Use=20 sar -q to see the swap queue and sar -d to determine which disk (or LUN) = is=20 causing this issue... Did you have any memory errors that required a = reboot and=20 the Sa just pulled out some memory cards? Could be a lot of things, not=20 necessarily Oracle.

John Kanagaraj = <><
DB Soft=20 Inc
Phone: 408-970-7002 (W)

Co-Author: Oracle Database = 10g Insider=20 Solutions http://www.samspu= blishing.com/title/0672327910

** The opinions and facts = contained in=20 this message are entirely mine and do not reflect those of my employer = or=20 customers **

From: oracle-l-bounce@freelists.org=20 [mailto:oracle-l-bounce@freelists.org] On Behalf Of raja=20 rao
Sent: Monday, October 24, 2005 9:26 AM
To:=20 ganstadba@hotmail.com
Cc: = oracle-l@freelists.org
Subject:=20 Re: oracle is causing high WIO

even after the startup restrict also the below is the WIO:

$ sar -u 2 5

SunOS oracle 5.9 Generic_117171-02 sun4u = 10/24/2005

12:09:30    %usr    = %sys   =20 %wio   %idle
12:09:32     =20 11       6     =20 64      = 19
12:09:34     =20 12       7     =20 66     =20 16
12:09:36      =20 4       1     =20 90      =20 6
12:09:38      =20 0       0     =20 94      =20 5
12:09:40      =20 0       0     =20 90      10
$

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