Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 4EA16DDD4 for ; Fri, 29 Jun 2012 06:47:24 +0000 (UTC) Received: (qmail 9422 invoked by uid 500); 29 Jun 2012 06:47:22 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 9406 invoked by uid 500); 29 Jun 2012 06:47:22 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 9382 invoked by uid 99); 29 Jun 2012 06:47:21 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 29 Jun 2012 06:47:21 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=FSL_RCVD_USER,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [209.85.161.172] (HELO mail-gg0-f172.google.com) (209.85.161.172) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 29 Jun 2012 06:47:14 +0000 Received: by ggnc4 with SMTP id c4so2702206ggn.31 for ; Thu, 28 Jun 2012 23:46:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:x-gm-message-state; bh=2m70fNEltOe4JKJyMkTPK1JTBDzXZG11RZfjrEqxtm8=; b=GyBzzT3XpQuhxIhbj75Jy06E25Yi3y2I/7vyOpKxCAvtWsNcOU6VwwJSt5Icht2ioq ss5gn9ywX2F0po3jzIPMs1IcLOMXQJ6/d2lx2RlKkLI/MgE/RKyH4xGWBp8OmJ80x/MV gna44HO9r481t9Qdv17h7zmvrh9REJKYaFGZZyZxxcWSQurlnATG87sUmz93qGMRXZMT lxR/n3LQ31YnSYgFO6C9uDJn5O7z9D8xtD/A0BoUxXCuwvC/Ojmm5pVyac1hKg4gd98a 7UAJBN5cCY5JZ3Ef94yFbLnba4BxwlDblpJdZpSm4s0Ww6aH5wDFt4gcLZY04gko5UYl dSPA== MIME-Version: 1.0 Received: by 10.50.216.234 with SMTP id ot10mr216038igc.51.1340952413250; Thu, 28 Jun 2012 23:46:53 -0700 (PDT) Received: by 10.50.213.105 with HTTP; Thu, 28 Jun 2012 23:46:53 -0700 (PDT) In-Reply-To: References: Date: Fri, 29 Jun 2012 08:46:53 +0200 Message-ID: Subject: Re: jscv CPU Consumption From: Olivier Mallassi To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=f46d040167a940a55804c396d000 X-Gm-Message-State: ALoCoQlDSD28GeCXPcn7SLQxDA5ONVaJ6SGJlYnJRvYoion/WLIruLnDdfUymxR/I+8v1bZdWNZq X-Virus-Checked: Checked by ClamAV on apache.org --f46d040167a940a55804c396d000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable precision : nmon does not show any IO (disk) activities On Fri, Jun 29, 2012 at 8:45 AM, Olivier Mallassi wrote= : > Hi all > > We have a 12 servers clusters (8 cores by machines..). > OS is Ubuntu 10.04.2. > > On one of the machine (only one) and without any load (no inserts, no > reads....), we have a huge CPU Load whereas there is no activities (no > compaction in progress etc...) > A top on the machine show us the process jscv is using all the available > CPUs. > > Is that link to JNA? do you have any ideas? > > Cheers > > -- > ............................................................ > Olivier Mallassi > OCTO Technology > ............................................................ > 50, Avenue des Champs-Elys=E9es > 75008 Paris > > Mobile: (33) 6 28 70 26 61 > T=E9l: (33) 1 58 56 10 00 > Fax: (33) 1 58 56 10 01 > > http://www.octo.com > Octo Talks! http://blog.octo.com > > > --=20 ............................................................ Olivier Mallassi OCTO Technology ............................................................ 50, Avenue des Champs-Elys=E9es 75008 Paris Mobile: (33) 6 28 70 26 61 T=E9l: (33) 1 58 56 10 00 Fax: (33) 1 58 56 10 01 http://www.octo.com Octo Talks! http://blog.octo.com --f46d040167a940a55804c396d000 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable precision : nmon does not s= how any IO (disk) activities

On Fri, Jun 29, 2012 at 8:45 AM, Olivier Mallassi <<= a href=3D"mailto:omallassi@octo.com" target=3D"_blank">omallassi@octo.com> wrote:
Hi all

We= have a 12 servers clusters (8 cores by machines..).=A0
OS is Ubuntu 10.04.2.<= /font>
O= n one of the machine (only one) and without any load (no inserts, no reads.= ...), we have a huge CPU Load whereas there is no activities (no compaction= in progress etc...)
A top on the machine show = us the process jscv is using all the available CPUs.=A0

Is that link to JNA? do you have any idea= s?=A0

Cheers

--
............................................................
Olivier Mallassi
OCTO Technology
....................................= ........................
50, Avenue des Champs-Elys=E9es
75008 Paris

Mobile: (33) 6 28 70 = 26 61
T=E9l: (33) 1 58 56 10 00
Fax: (33) 1 58 56 10 01

http://www.octo.com
Oct= o Talks! http://blog.oct= o.com





--
............= ................................................
Olivier Mallassi
OCT= O Technology
...........................................................= .
50, Avenue des Champs-Elys=E9es
75008 Paris

Mobile: (33) 6 28 70 = 26 61
T=E9l: (33) 1 58 56 10 00
Fax: (33) 1 58 56 10 01

http://www.octo.com
Octo Talks! http://blog.octo.com


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