Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 91632 invoked from network); 1 Apr 2011 16:52:14 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 1 Apr 2011 16:52:14 -0000 Received: (qmail 598 invoked by uid 500); 1 Apr 2011 16:52:12 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 577 invoked by uid 500); 1 Apr 2011 16:52:12 -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 569 invoked by uid 500); 1 Apr 2011 16:52:12 -0000 Delivered-To: apmail-incubator-cassandra-user@incubator.apache.org Received: (qmail 566 invoked by uid 99); 1 Apr 2011 16:52:12 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 01 Apr 2011 16:52:12 +0000 X-ASF-Spam-Status: No, hits=2.0 required=5.0 tests=FREEMAIL_FROM,SPF_NEUTRAL,T_TO_NO_BRKTS_FREEMAIL,URI_HEX X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: 216.139.236.26 is neither permitted nor denied by domain of mohitanchlia@gmail.com) Received: from [216.139.236.26] (HELO sam.nabble.com) (216.139.236.26) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 01 Apr 2011 16:52:07 +0000 Received: from jim.nabble.com ([192.168.236.80]) by sam.nabble.com with esmtp (Exim 4.69) (envelope-from ) id 1Q5hZa-0006cn-N1 for cassandra-user@incubator.apache.org; Fri, 01 Apr 2011 09:51:46 -0700 Date: Fri, 1 Apr 2011 09:51:46 -0700 (PDT) From: mcasandra To: cassandra-user@incubator.apache.org Message-ID: <1301676706709-6231810.post@n2.nabble.com> In-Reply-To: References: Subject: Re: Endless minor compactions after heavy inserts MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit I have seen on wiki also that in order to get better performance by setting compaction thread priority http://wiki.apache.org/cassandra/PerformanceTuning http://wiki.apache.org/cassandra/PerformanceTuning My question is if it improves performance then why is this not set by default? What's the downside? -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Endless-minor-compactions-after-heavy-inserts-tp6229633p6231810.html Sent from the cassandra-user@incubator.apache.org mailing list archive at Nabble.com.