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 EC6A6D6B3 for ; Wed, 25 Jul 2012 06:22:02 +0000 (UTC) Received: (qmail 79714 invoked by uid 500); 25 Jul 2012 06:22:00 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 78861 invoked by uid 500); 25 Jul 2012 06:21:58 -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 78789 invoked by uid 99); 25 Jul 2012 06:21:54 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 25 Jul 2012 06:21:54 +0000 X-ASF-Spam-Status: No, hits=0.0 required=5.0 tests=FSL_RCVD_USER,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [62.80.2.197] (HELO mail.berlin01.toptarif.de) (62.80.2.197) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 25 Jul 2012 06:21:48 +0000 Received: from [192.168.68.49] (unknown [192.168.68.49]) by mail.berlin01.toptarif.de (Postfix) with ESMTP id 52691ECD52 for ; Wed, 25 Jul 2012 08:21:26 +0200 (CEST) Message-ID: <500F9066.7010308@toptarif.de> Date: Wed, 25 Jul 2012 08:21:26 +0200 From: Thomas Spengler Organization: Toptarif Internet GmbH User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120625 Thunderbird/13.0 MIME-Version: 1.0 To: user@cassandra.apache.org Subject: Re: virtual memory of all cassandra-nodes is growing extremly since Cassandra 1.1.0 References: <4FF43366.5040405@toptarif.de> In-Reply-To: <4FF43366.5040405@toptarif.de> X-Enigmail-Version: 1.5pre Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit No one has any idea? we tryed update to 1.1.2 DiskAccessMode standard, indexAccessMode standard row_cache_size_in_mb: 0 key_cache_size_in_mb: 0 Our next try will to change SerializingCacheProvider to ConcurrentLinkedHashCacheProvider any other proposals are welcom On 07/04/2012 02:13 PM, Thomas Spengler wrote: > Hi @all, > > since our upgrade form cassandra 1.0.3 to 1.1.0 the virtual memory usage > of the cassandra-nodes explodes > > our setup is: > * 5 - centos 5.8 nodes > * each 4 CPU's and 8 GB RAM > * each node holds about 100 GB on data > * each jvm's uses 2GB Ram > * DiskAccessMode is standard, indexAccessMode is standard > > The memory usage grows upto the whole memory is used. > > Just for information, as we had cassandra 1.0.3, we used > * DiskAccessMode is standard, indexAccessMode is mmap > * and the ram-usage was ~4GB > > > can anyone help? > > > With Regards > -- Thomas Spengler Chief Technology Officer ------------------------------------------------------------------------ TopTarif Internet GmbH, Pappelallee 78-79, D-10437 Berlin Tel.: (030) 2000912 0 | Fax: (030) 2000912 100 thomas.spengler@toptarif.de | www.toptarif.de Amtsgericht Charlottenburg, HRB 113287 B Gesch�ftsf�hrer: Dr. Rainer Brosch, Dr. Carolin Gabor -------------------------------------------------------------------------