Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 78632 invoked from network); 13 Feb 2010 03:27:00 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 13 Feb 2010 03:27:00 -0000 Received: (qmail 64907 invoked by uid 500); 13 Feb 2010 03:27:00 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 64885 invoked by uid 500); 13 Feb 2010 03:27:00 -0000 Mailing-List: contact cassandra-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cassandra-user@incubator.apache.org Delivered-To: mailing list cassandra-user@incubator.apache.org Received: (qmail 64876 invoked by uid 99); 13 Feb 2010 03:27:00 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 13 Feb 2010 03:27:00 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jbellis@gmail.com designates 209.85.219.212 as permitted sender) Received: from [209.85.219.212] (HELO mail-ew0-f212.google.com) (209.85.219.212) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 13 Feb 2010 03:26:53 +0000 Received: by ewy4 with SMTP id 4so256039ewy.27 for ; Fri, 12 Feb 2010 19:26:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:message-id:subject:to:content-type :content-transfer-encoding; bh=rwZrgYcPBlnMZS+RyY2RoUEHJs/5X9iDrrIEG8AFOJM=; b=CvLWsKYOspi34hHg5on1yOq2E5i6yysyS2ueGSZHmGZvrd/72lwqFKBCQSyoLL/xEz 0uBwONbQSm+hok8FyBGuXBSh6oG9NPWJbcdmeSQ+lrGaWZgoJRcKy890l9q0628AcdwH KkYHv88ecqUuUsNbCQJI289wLmlQyBK4IcFMA= 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 :content-type:content-transfer-encoding; b=gkaeLnTz71mUqTiOizg2/amoa9kW3qxJXWNktVmy3wKt4ktENhI7BqwgpVSbEhkqeV 1gaNAzHMepJd36nK38KJDPxH/gxks6uwAeAOvtYdLbytzOPa1RTSOOO3lcsj+CVKFPJ9 lTIUGa3QVYffz1krtg3AVZkpQ7b5g77hBJ1RI= MIME-Version: 1.0 Received: by 10.216.157.212 with SMTP id o62mr1378725wek.41.1266031592106; Fri, 12 Feb 2010 19:26:32 -0800 (PST) In-Reply-To: <20100213000858.GB16503@alumni.caltech.edu> References: <20100211181027.GA4022@alumni.caltech.edu> <20100212205246.GA16171@alumni.caltech.edu> <20100213000434.GA16503@alumni.caltech.edu> <20100213000858.GB16503@alumni.caltech.edu> From: Jonathan Ellis Date: Fri, 12 Feb 2010 21:26:12 -0600 Message-ID: Subject: Re: OOM on restart To: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On Fri, Feb 12, 2010 at 6:08 PM, Anthony Molinaro wrote: > Also, is it okay to set MemtableSizeInMB in lower and restart? Yes. > And what is the reasoning behind lowering object count? =A0Isn't it > whichever hits first which causes flushing? =A0Or is there other > memory used when object count is higher? http://wiki.apache.org/cassandra/MemtableThresholds > One other thing, is there other hidden memory (in cache, index, thrift > requests, etc) and is there some way to estimate/limit those. Look at what jconsole says is used after you hit GC. -Jonathan