Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 8496 invoked from network); 14 Dec 2010 22:05:36 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 14 Dec 2010 22:05:36 -0000 Received: (qmail 40421 invoked by uid 500); 14 Dec 2010 22:05:34 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 40402 invoked by uid 500); 14 Dec 2010 22:05:34 -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 40394 invoked by uid 99); 14 Dec 2010 22:05:34 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 14 Dec 2010 22:05:34 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=RCVD_IN_DNSWL_LOW,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [209.85.213.44] (HELO mail-yw0-f44.google.com) (209.85.213.44) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 14 Dec 2010 22:05:24 +0000 Received: by ywk9 with SMTP id 9so726484ywk.31 for ; Tue, 14 Dec 2010 14:04:59 -0800 (PST) MIME-Version: 1.0 Received: by 10.151.79.1 with SMTP id g1mr8641952ybl.375.1292364299084; Tue, 14 Dec 2010 14:04:59 -0800 (PST) Sender: scode@scode.org Received: by 10.150.220.9 with HTTP; Tue, 14 Dec 2010 14:04:58 -0800 (PST) X-Originating-IP: [213.114.156.79] In-Reply-To: References: Date: Tue, 14 Dec 2010 23:04:58 +0100 X-Google-Sender-Auth: i1z_Fe8B_Qsr4PgJ-oef0sPKD0o Message-ID: Subject: Re: Memory leak with Sun Java 1.6 ? From: Peter Schuller To: user@cassandra.apache.org Content-Type: text/plain; charset=UTF-8 > Memory-mapped files will account for both virtual and, to the extent > that they are resident in memory, to the resident size of the process. > However, your graph: Correcting myself in the interest of providing correct information, this doesn't seem to be true - at least not always. I don't know whether it is a matter of different kernel versions or something else. I have definitely seen Python processes accessing CDB:s having a high resident amount and seen it creep down again as it is replaced by other data being paged in, but some Cassandras now running on 2.6.32 don't exhibit this effect. -- / Peter Schuller