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 3A40FCF97 for ; Mon, 3 Jun 2013 18:57:33 +0000 (UTC) Received: (qmail 43225 invoked by uid 500); 3 Jun 2013 18:57:30 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 43203 invoked by uid 500); 3 Jun 2013 18:57:30 -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 43195 invoked by uid 99); 3 Jun 2013 18:57:30 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 03 Jun 2013 18:57:30 +0000 X-ASF-Spam-Status: No, hits=1.0 required=5.0 tests=SPF_SOFTFAIL X-Spam-Check-By: apache.org Received-SPF: softfail (nike.apache.org: transitioning domain of jrf@mit.edu does not designate 69.164.218.4 as permitted sender) Received: from [69.164.218.4] (HELO computableinsights.com) (69.164.218.4) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 03 Jun 2013 18:57:24 +0000 Received: by computableinsights.com (Postfix, from userid 1000) id 74592306C67; Mon, 3 Jun 2013 14:57:03 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by computableinsights.com (Postfix) with ESMTP id 6594231D074 for ; Mon, 3 Jun 2013 14:57:03 -0400 (EDT) Date: Mon, 3 Jun 2013 14:57:03 -0400 (EDT) From: "John R. Frank" X-X-Sender: jrf@computableinsights.com To: user@cassandra.apache.org Subject: unable to delete Message-ID: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII X-Virus-Checked: Checked by ClamAV on apache.org C*, Is it considered normal for cassandra to experience this error: ERROR [NonPeriodicTasks:1] 2013-06-03 18:17:05,374 SSTableDeletingTask.java (line 72) Unable to delete /raid0/cassandra/data///--ic-19-Data.db (it will be removed on server restart; we'll also retry after GC) This is on the DataStax EC2 AMI in a two-node cluster. After deleting 1,000 rows from a CF with 20,000 rows, the DB becomes slow, and I'm trying to figure out why. Could this error message be pointing at a proximate cause? jrf