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 DFE8398D1 for ; Thu, 13 Oct 2011 21:29:24 +0000 (UTC) Received: (qmail 29629 invoked by uid 500); 13 Oct 2011 21:29:22 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 29602 invoked by uid 500); 13 Oct 2011 21:29:22 -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 29594 invoked by uid 99); 13 Oct 2011 21:29:22 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 13 Oct 2011 21:29:22 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [208.113.200.5] (HELO homiemail-a50.g.dreamhost.com) (208.113.200.5) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 13 Oct 2011 21:29:16 +0000 Received: from homiemail-a50.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a50.g.dreamhost.com (Postfix) with ESMTP id C7CAE6F8060 for ; Thu, 13 Oct 2011 14:28:54 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=thelastpickle.com; h=content-type :mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; q=dns; s= thelastpickle.com; b=d8d5raSo45HE/KVcjFodo9Sp2/1Oewo0LnTPJOes6p5 0Mq7HWUawSKQumeZLLbDeZm7/hhXPayYXTNef2VotGt03z8a2S5bHRFaqZDzWZcZ HJITjEuNwX4wYkpMNftoCsX7qRTud2XkkRt4vW6S3SkZ5TcLplSOZnn/mDred9FI = DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=thelastpickle.com; h= content-type:mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; s= thelastpickle.com; bh=zu4vULPn3P7rP4jTgKFDqOMcgV4=; b=3kMfH8l6iB mLhWwAXN0JA9LtXlTFUZU13uusM+FTzbZaSWWszJFQKOzpmxLHUsV3tjj2HMRCxD 8IsIsGhqhosUuTgva2MryPiG3+RxCMmWRExrH4tf2i5my++/vdsoMYZLQ5ZuOCBc PIOZq/2rv/t/I62Qub/XEvlOzBGiBAGQc= Received: from [172.16.1.4] (125-236-193-159.adsl.xtra.co.nz [125.236.193.159]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: aaron@thelastpickle.com) by homiemail-a50.g.dreamhost.com (Postfix) with ESMTPSA id 101136F8059 for ; Thu, 13 Oct 2011 14:28:53 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1251.1) Subject: Re: Cassandra as session store under heavy load From: aaron morton In-Reply-To: Date: Fri, 14 Oct 2011 10:28:53 +1300 Content-Transfer-Encoding: quoted-printable Message-Id: <4A417C12-918E-41C7-8592-98FCC71CD996@thelastpickle.com> References: To: user@cassandra.apache.org X-Mailer: Apple Mail (2.1251.1) They only have a minimum time, gc_grace_seconds for deletes. If you want to be really watch disk space reduce the compaction = thresholds on the CF.=20 Or run a major compaction as part of maintenance.=20 cheers ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 13/10/2011, at 10:50 PM, Maciej Miklas wrote: > durable_writes sounds great - thank you! I really do not need commit = log here. >=20 > Another question: it is possible to configure live time of Tombstones?=20= >=20 >=20 > Regards, > Maciej