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 D14D39065 for ; Sat, 1 Oct 2011 16:47:35 +0000 (UTC) Received: (qmail 54171 invoked by uid 500); 1 Oct 2011 16:47:33 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 54106 invoked by uid 500); 1 Oct 2011 16:47:33 -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 54093 invoked by uid 99); 1 Oct 2011 16:47:32 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 01 Oct 2011 16:47:32 +0000 X-ASF-Spam-Status: No, hits=0.7 required=5.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [64.6.108.239] (HELO ponto.amerinoc.com) (64.6.108.239) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 01 Oct 2011 16:47:24 +0000 Received: from fbsd8.localdomain (205.83.broadband7.iol.cz [88.102.83.205]) (authenticated bits=128) by ponto.amerinoc.com (8.14.5/8.14.5) with ESMTP id p91Gkt8G057189 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 1 Oct 2011 18:47:01 +0200 (CEST) (envelope-from hsn@sendmail.cz) Received: from [127.0.0.1] ([10.0.0.1]) by fbsd8.localdomain (8.14.4/8.14.4) with ESMTP id p91GknCg054002 for ; Sat, 1 Oct 2011 18:46:49 +0200 (CEST) (envelope-from hsn@sendmail.cz) Message-ID: <4E8743F3.3080406@sendmail.cz> Date: Sat, 01 Oct 2011 18:46:43 +0200 From: Radim Kolar User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: user@cassandra.apache.org Subject: jamm - memory meter Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: avast! (VPS 111001-0, 01.10.2011), Outbound message X-Antivirus-Status: Clean X-Virus-Checked: Checked by ClamAV on apache.org 1. jamm still do not works on openJDK? WARN [MutationStage:368] 2011-10-01 18:21:39,695 Memtable.java (line 156) MemoryMeter uninitialized (jamm not specified as java agent); assuming liveRatio of 10.0. Usually this means cassandra-env.sh disabled jamm because you are using a buggy JRE; upgrade to the Sun JRE instead 2. Cassandra needs jamm just until first CF flush is done because it knows live to serialized ratio from flush?