Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 13701 invoked from network); 22 Mar 2011 12:30:59 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 22 Mar 2011 12:30:59 -0000 Received: (qmail 77189 invoked by uid 500); 22 Mar 2011 12:30:57 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 77159 invoked by uid 500); 22 Mar 2011 12:30:57 -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 77151 invoked by uid 99); 22 Mar 2011 12:30:57 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 22 Mar 2011 12:30:57 +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 jonathan.colby@gmail.com designates 209.85.214.44 as permitted sender) Received: from [209.85.214.44] (HELO mail-bw0-f44.google.com) (209.85.214.44) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 22 Mar 2011 12:30:48 +0000 Received: by bwz13 with SMTP id 13so6375807bwz.31 for ; Tue, 22 Mar 2011 05:30:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:content-type:content-transfer-encoding :subject:date:message-id:to:mime-version:x-mailer; bh=T7ZTnc+oa6YeE1sLo6S34PMUp5yy0zeDIYjIBTlgPik=; b=kPyzzIiMsqDcTJa/PpZ1LYo1n8WT/nyVhEKSXInB20TWWppT1TK/rNkSht4EILy7JR gLHkqRoyZTW/H4lAnG6kyka4L3LQgAJ8GKRrZ4+Ds4iwMXKB7VnU/kMj9qfbEDg7qZWM lsqY/LZEgXLFIfhN+Hn3Nh5t+HresewnRrI0A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:content-type:content-transfer-encoding:subject:date:message-id :to:mime-version:x-mailer; b=bYDk9A0AQjmBdQoxytvsW2aeXbwq1p402JqbvkETu9roO7bo5UIpNNvePwm2pENkjk kHmXuI+J0DNFCSTAUKXRqeegqtVKQgXZu26u2XB3xfgl2/n/7pcD2RdA7gk0553lJeUT hs8cV2kX+fLP9dX7G5jDEfpVP3XykqxX3km98= Received: by 10.204.151.207 with SMTP id d15mr1592299bkw.123.1300797028328; Tue, 22 Mar 2011 05:30:28 -0700 (PDT) Received: from siteop-12.mobile.rz ([194.50.70.51]) by mx.google.com with ESMTPS id j13sm1569442faa.1.2011.03.22.05.30.27 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 22 Mar 2011 05:30:27 -0700 (PDT) From: Jonathan Colby Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Subject: Deleting "old" SSTables Date: Tue, 22 Mar 2011 13:30:26 +0100 Message-Id: <6989EF14-D142-491D-B12B-A753A63F85DD@gmail.com> To: user@cassandra.apache.org Mime-Version: 1.0 (Apple Message framework v1082) X-Mailer: Apple Mail (2.1082) X-Virus-Checked: Checked by ClamAV on apache.org According to the Wiki Page on compaction: once compaction is finished, = the old SSTable files may be deleted* * http://wiki.apache.org/cassandra/MemtableSSTable I thought the old SSTables would be deleted automatically, but this wiki = page got me thinking otherwise. Question is, if it is true that old SSTables must be manually deleted, = how can one safely identify which SSTables can be deleted?? Jon