Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 42514 invoked from network); 11 Mar 2011 02:36:22 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 11 Mar 2011 02:36:22 -0000 Received: (qmail 81253 invoked by uid 500); 11 Mar 2011 02:36:20 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 80918 invoked by uid 500); 11 Mar 2011 02:36:19 -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 80871 invoked by uid 500); 11 Mar 2011 02:36:19 -0000 Delivered-To: apmail-incubator-cassandra-user@incubator.apache.org Received: (qmail 80820 invoked by uid 99); 11 Mar 2011 02:36:19 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 11 Mar 2011 02:36:19 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jbellis@gmail.com designates 209.85.212.47 as permitted sender) Received: from [209.85.212.47] (HELO mail-vw0-f47.google.com) (209.85.212.47) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 11 Mar 2011 02:36:13 +0000 Received: by vws2 with SMTP id 2so239571vws.6 for ; Thu, 10 Mar 2011 18:35:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=7ln3/4O82/z/QHeVu7QHk9mOatyUDbM+UQ975hXUkak=; b=avtWBWI+DTk38bYNovZfAb+9bB1PlssVGRjzYbItQUzoUP/7ENaC97KG4JoaNPdXdV pqIyNJ8tkR3p96dgLXYniXyW++CWNrARCiT5iC0QHQi606VZN9+D59gTymJW5KUSzDxE FtS9oDiiRE1Plu8hq+H5IyZUReT6zkKgUGVoA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=jin1CKLmaeJBCCsPkPohpGQneXemH/8A6Nk0Ncv2zWyWJO0FPKpcGpfEQD4AkJEP54 zVrrxy0z+JLXUN968/Z8kUI3jhHR4/6Xr3+/BTMlZLB61hlVL7ewnFBa3wDyfbbTsj81 YqSCirKahAKuEv7RRTLIEWu6I5H48CPWy5L5o= Received: by 10.52.95.81 with SMTP id di17mr12565591vdb.252.1299810952064; Thu, 10 Mar 2011 18:35:52 -0800 (PST) MIME-Version: 1.0 Received: by 10.52.164.102 with HTTP; Thu, 10 Mar 2011 18:35:32 -0800 (PST) In-Reply-To: References: From: Jonathan Ellis Date: Thu, 10 Mar 2011 20:35:32 -0600 Message-ID: Subject: Re: memory utilization To: user@cassandra.apache.org Cc: Bill Hastings , cassandra-user@incubator.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org http://wiki.apache.org/cassandra/FAQ#mmap On Thu, Mar 10, 2011 at 8:26 PM, Bill Hastings wrote: > Hi All > > Memory utilization reported by JCOnsole for Cassandra seems to be much > lesser than that reported by top ("RES" memory). Can someone explain this? > Maybe off topic but would appreciate a response. > > -- > Cheers > Bill > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com